Reduced cardbus controller

CardBus controller of simple

technical field

The invention relates to a semiconductor device and design, production and manufacturing computer system. Is specific, the invention relates to the PCI-CardBus function, and production and manufacturing semiconductor device. The pixel number of the invention is claim February 11, 2003 submitted is a plurality of 60/446,590 any demand.

background technology

The PCI-CardBus foot drone of the footprint) technological method background De-facto Dial Zhun PCI-CardBus to the front (footprint) is connected with the problems. Is 1997 is a first reverse driving time and a market a pin 144 of the PCI-CardBus controller for Texas connecting device (Texas Device) is promoted, to PCI1210. A widespread is connected with the local PCI bus and a single PC card slot product of the bridge is 32 CardBus protocols line. The Texas device connecting with further promoted other product PCI1130, which is a PCI buses local and two independent and with double PC card slot according 32 CardBus protocols line of the bridge is connected. The product, namely PCI1130, an of 208 pins, width and is used for. 208 Pins and two groups of signal of a PCI signal and PC board card point plate, and receiving two PC card grooves of the work.

The companies, comprising a Texas connecting device, the product and PCI1210 generation of the pin is compatible. Texas device company's PCI1410 is pin is compatible, O2Micro Power OZ6912 is a pin is compatible, Ricoh Power R5C475 is a pin is compatible, ENE CB1410 according recently multiple promoted is a pin is further compatible. Each friction a millions drone of the footprint) is the chip is detecting the notebook computer and PC card system of the foot, of the profession is well-known is a Texas device and promoting the de-facto standard PCI-CardBus to the front (footprint); and a further extrusions the other is.

Although the Texas device and claims massive new technologies of the PCI1510 PCI-CardBus controller, exactly to the data part is made of a maintained a bottom fronted very high pin compatibility of (footprint) and a de-facto Dial Zhun PCI1410 foot.

Method for sealing to make the provided with two PC card grooves of the is connected with 208 needles width is a. The PCI1510 of the Texas connecting device is promoting newly with continued the tradition, the competitors, the two groups of power of PC card with standard ends to make the PC card slot further comprises Ricoh, O2Micro and ENE to work.

The space plate question's test method a PCI and receives the circuit board area of the limit frequently groove, which are by frequently on the small claim facile and mobile device (e.g. notebook computer). De-facto 144 standard the pin is 20 mm ×20 the mm QFP the front (footprint) and 13 mm ×13 the mm mBGA the front (footprint). The PCI-CardBus data book for QFP and mBGA mechanical differential. And a result of the influences of the material, assemblies, the testing clamp, productivities and factor, QFP and mBGA with the cost and. Nevertheless, or a PCI system for the mBGA to a storing the circuit board the space to sacrifice price and power of QFP seal. , And the cost for increasing each of the sealing the actual function to system.

The similar trade-off switch is disposed on a slot PCI-CardBus a connection device for is 208 needles seal. The pin 208 sealing is 30 mm ×30 the mm QFP the front (footprint) and 16 mm ×16 the mm mBGA the front (footprint). A PCI unreadable and system adapt to 208 pins' QFP pin to the front (footprint). the Wherein a PCI system further comprise a little 208 pins' QFP pin to the front (footprint). On the based upon, the charging for increasing is spends, wherein pins' 208 mBGA pin front end of the footprint), wherein multiple can increase the space plate are provided with the extra actual value.

ELECTROMAGNETIC leakage (CAN) The problem solution method increasing a PCI mobile application device usual battery, and key problem of each of the power dissipation claim consider a. The power supply management techniques are used to reduce the power dissipation, uses a removed a PCI bus power supply is. The when a PCI bus power supply is removed, a PCI bus device connected with the signal static high-voltage, is very small with the possibility of the pin divulge. Steel to Intel power Andrew Groves the 12/11/02 Wall Street periodical pointed out of the profession, leakage; the inner leakage and a check, is provided a becoming the attention.

The multifunctional pins of the De-facto144 the pin (arranged at QFP 60,61,64,65,67,68 and 69 pins, usually is mounted MFUNC6: 0 or MF6: 0) for realising the PCI function, for example transmission signal of lens, a LOCK# the special access control and PCI of clock control. Is configured the PCI functions, comprising a PCI bus power supply is removed, a preventing the angle of containing leakage, wherein the pin power failures. The pivot usual to two according to ELECTROMAGNETIC power supply demand. The power supply demand different adjacent pin of grouping. The ELECTROMAGNETIC to according to the edge of the power supply demand groups of the whole of ELECTROMAGNETIC power supply circuit ring, the bus power source via the power supply ring circuit connected with the ELECTROMAGNETIC unit supply of chip. Improving ELECTROMAGNETIC power supply circuit ring to increase the fixing area and charging. Layer with different grouping ratio PCI pin is the multifunctional pin, therefore the De-facto pin 144 of an increase the ELECTROMAGNETIC power supply circuit ring is very difficult to realize. An is a PCI power supply is removed signal is needed to supply power, 59) are PME# sensor arranged at de-factor pin 144 of PCI power management standard definition. Each of the grouping, a pin 57 (PCI power source/address data signal AD0) is 59 pin.

Shown as a digital 1, solves the device for ELECTROMAGNETIC processing technique method for improving is a ELECTROMAGNETIC power supply circuit ring to synchronize is a PME# signal claims an emergency power supply, and a are claims a PCI power supply of the MFUNC the signal.

Shown the digital 1 is a providing two independent power supply is a different voltage input unit universal method of chip, and input unit are arranged grouping, so the power supply circuit ring capable point for multiple groups. PCIIO1, 2 and 3 (101, 102 and 103) a 100 to supply power of a PCI VCC power supply. A CAN device 104 is relatively independent PCIIO, claim from emergency power supply (AUX VCC 105) power supply. Improving AUX VCC power supply 105 to make the chip area to increase, wherein is increased the charging chip.

invention content

Thus, wherein a model embodiment, the invention the or for driving the PC card system. The system of control at least two independent PC card comprises a controller. The controller capable of generating control at least two independent PC card the PC card signal wire, and signal wire according designated multiplexingly so the signal and a control at least two independent PC card.

The other model embodiment, the invention or a storage card PC controller chip method of chip space. The method comprises the following steps: And at least two types of power supply circuit ring paper-splicing feeder PC card to provide the power supply; A chip microcomputer selected CAN pin; And designating to the pin and a to set and connected to the power source ring circuit of selected on.

The other model embodiment, the invention one or a to storage card PC controller chip method of chip space; the method comprises a mapping an inner IDSEL signal to an external address wire.

The invention claims a finger to a PCI power management and a PCI standard and a PCI standard and a PC standard card. The domain's the technical is familiar with the industrial grids, a standard and expanding card in technology PCMCIA/SmartCard/CardBus; the data is less for is a background industrial data of invention.

The device is an domain the technical the connection large importance, although the following detailed rendering based on good embodiment and application method for connected; and invention and invention facing to the embodiments and application method. Dynamic, the invention relates to range of widespread, wherein the invention is defined by the corresponding claim.

The character and merits of the present invention to obtain and manifestation in the detailed rendering process, wherein the detailed composed please of the finger to on sound and correlation data and part mark.

Brief for describing the drawings

Shown the digital 1 is a providing two independent power source to the switch is a chip a different voltage input unit universal method.

Shown the digital 2 is the invention again to the embodiment of signal grouping.

Shown the digital 3) is independent PC card slot interfaces universal PC card controller diagram with a support for works.

Shown the digital 4 is acts according to the invention the PC card controller diagram.

Detailed composed of illustrated embodiments

The frame, the PCI-CardBus controller is module is used for supporting a PCI system. A PCI system is part of the PCI standard to design, the standard support is more than 10 and loadings, the electric loadings or a PCI grooves. A PCI system and a flexible configurable.

The PCI-CardBus foot for enhanced drone of the footprint) specific concrete and is mounted in a PCI main board and a. The miniature PCI standard for PCI-based the small the product, for example the frivolous notebook computer, and define a small the connector. With a PCI master plate and seat, the device on a PCI master plate is the design of the system, i.e., which are a appear on the control board. The device for main board and a customized (e.g. the SMBus configuration and BIOS system configuration) according to the specified addressing and configuration of each main board, and capillary needle is arranged on the control board. A PCI standard with different to claim a PCI main board, and the device and control plate relative. For example, PCI standard's 3.7.2) is defined the master plate is different from the control board parity check claim.

ELECTROMAGNETIC leakage: INTA#, CLKRUN# and IRQSER signal, and in a PCI and type of the signal for use, which are separately are transmitted to the de-factor 144 pins' QFP pin 60, 65 and 69; and when the PCI bus power supply conveying, wherein the signal exists leakage of model. The invention the signal to multiple PCI bus power supply grouping, and sensor is made of PCI bus testing grid input to stop main supplying power to the; and a is needed to the design extra power supply circuit ring on the chip. Liquid shown the digital 2 is based on the invention to the model embodiment of the signal and. Digital 2 how expression of 1 to connected with the wherein a power supply ring circuit to the signal. A graph, the ELECTROMAGNETIC signal 101, 102 and 103 with a PCI VCC power supply 100 is a group, and CAN signal 104 with an AUX VCC power supply 105 is a group. A, the is of a typical example, the domain's the technical element for radical capable of multiple grouping according to the number of the pin. The grouping is less than the invention energetic range.

board space: The is a part of the square when the limiting pin is 0.5 mm; the QFP of the pin 128 of 18 mm ×18 the mm, wherein storage 19% sealing the spaces to PCI-CardBus 144 pins' de-factoQFP. The invention or a simplify the PCI-CardBus device. For example, the invention can use is 128 QFP pin of the PCI-CardBus device of simple manufacturing.

The miniature PCI environment of the environment and can control. Although PCI standard's 3.2.2.3 .5) usage pointed of PCI device and un-re-changeable for internal the wherein a pivot between the address wires and an internal IDSEL signal, which are provided with a given the main connection plate (a) an exception. The invention related the detail of the exception, wherein the miniature PCI environment and can control IDSEL as the driver is fixed in the master plate for address wire, which is removed each of the pin. So the invention for eliminating a PCI and device is IDSEL rod, and invention 128 PCI-CardBus device of pins'.

A step of the conveying demonstrative method for IDSEL pin comprises: aAnd a reset (i.e. PCI_RESET# and is effective and is sealed on multiple PCI clocks) is VCCD0 and VCCD1 signal pickup and welded with the IDSEL mapping is a AD31: 16 signal. for example:

And a reset, sampling device VCCD0, VCCD1} 00-AD18 connected 01-AD20 is connected 10-AD24 is connected 11-AD25 and IDSEL and IDSEL connected to the technical field people to know which is formed IDSEL and IDSEL VCCD0 and VCCD1 signal of standard part. The design a PCI system platform; the PCI-CardBus apparatus and power of the power supply and ground capable of the careful adjusting. , Therefore to realize the system, which is a remote transmission and can be power supply and a pin. Storing the power source and a pin is further invention realizes 128 needles least one of PCI-CardBus device.

The de-facto foot drone a nonessential specific power source signal in (footprint) is a VCCB signal, is mounted SOCKET VCC. The signal can be used paper-splicing feeder CAN unit power supply or according to claims a clamping protection according to the CardBus PC board card and accurate AC standard 5.3.2.1 .2). Each of the; the invention for a PCI-CardBus, wherein claim CardBus power supply and CAN PCI-CardBus power supply is connected with the external, so the conveying VCCB pin is realized 128 pins' PCI-CardBus device.

Present's a PCI system possibly with one or two is a PCI grooves of welding joint. The invention switching: The is used in a PCI supporting and less than 10 PCI grooves, the CardBus controller of design economically efficient.

Shown as a digital 3, the universal with the PC card controller 300 the massive signal to support the PC card slot interface (302) and PC card slot B 303 interface is works. Universal with the PC card controller 300) is a PC card slot A signal 304 and PC card slot B signal 305 claims an independent groove; the electric massively the input and output. The PC card is defined with a 68 interface are to each slot. The power of PC card controller is 300 to the switching device 301 connected with the signal 306 power supply one transmits with double slot PCMCIA power supply is a PC card slot. The power of the slave power supply switching device 301 and a outputs 307 and 308 providing PC card slot.

Digital 4 expounded with the invention the diagram of PC card controller. The embodiment, a PC card 400 multiplexing two signal is PC card slot interfaces process further work. With the controller, PC card controller the measuring on voltage signal a fan, realizing the cost and a charging of silicon, and camera is provided with a sealing plate space.

When the bottom of the interface executing work; and each groove keeps an independent signal of active; the signal and sending the slot control signal: 401 And 402. The slot control signal light is connected with several protocol, or to the power is (e.g. the voltage demand) with a slot independent signal. A bar embodiment, a slot control signal is 16 PCMCIA a chip for enabling signal and 16 PCMCIA and a data signal and CardBus and a clock signal and CardBus arbitration signal in REQ# body and a GNT# a. 16 A PCMCIA card output is classification of the control signal groove, which are capable achieve 5 v layer, and a CardBus3 to layer are incompatible.

The PC card socket (302 interface or PC card socket THE interface 303 (, the signal 403 is activated. A bar embodiment, wherein the sharing the signal is 16 PCMCIA of the PC card standard defines a address a signal or CardBus a/address data in the signal minimum value. Shared signal 403 to add on the control signal 401 and 402 composed of a PC card signal of the PC standard card is defined, to 3 digital signal 304 and 305.

Order to make a double the PC card controller to realize the upper multiplexing function, the design issues a to consider. The design of (early-detectinsertion events) circuit, a socket two interfaces comprise early detection inserting or (e.g.) protection circuit, the intersystem arbitration circuit is a suspended on multiplexingly, and/or an adjusting power supply management circuit system. The circuit is the described inner layer of separation flow the invention is an matter unreadable.

The detecting insertion of the upright, wherein the second PC card the signal signal properties. For example, wherein comprising a PC card socket A302 first card is at the working state, when the second card with two a PC card socket B303, the signal 403 possibly of the inserting process and in a time of the one unknown, and groove is transmission to PC card slot AND the layer is sharing signal capacitor unknown, or a discharge slot B power supply is 308) is unknown.

Solves the problem rod is 400 to provide upper surface of the second card to the PC card controller improved the early detection information, the suspended and second PC card slot interface, which is waited of the second PC card slot power supply is activated. The power source is controlled by the system software, or is coated with a control signal 306 automatic control of device connected with the PC card controller with the PC card power supply.

The best early detection information by using PC card is a PC card a standard definition length of VCC/GND pin. The PC card standard of physical standard in the 4.2) apparatus 68 needles card PC connector the limit of a length. Power source/a pin claim the length of 0.75 mm comparison universal signal pin. A long and wireless signal 403 to block with rested on the PC card is a general and signal display,/identification of earth the power supply switch of the early detection information. The device for identifying with a window on the pulling resistor an improved PC card controller input signal to solve, the input signal and connected with the is 68 to connectors' of power, wherein the PC card is inserted and with the connector (connected e.g. lengthens 0.75 mm power source/a pin is the input signal to the ground; Otherwise the input signal channel is a to a high logic level.

And a card in a spring and a state method is welded on the inserting type of PC card. Is the CardBus card, a time of the (master-initiated) terminal protocols to make the target card (card-target) and is provided with a suspended and based on PCI and CardBus standard protocol main card is operation. Is fixedly connected to the CardBus card bus signal GNT# is invalid, and operation time of the (target-initiated) terminal protocols based on PCI and CardBus protocol specification's target, and CardBus card of the main card (card-master) and is provided with a suspended and. , Wherein the CardBus clock signal is possibly with the lower is suspended.

Flow 16 PCMCIA card, based on PC card standard; the clamping continuously and a target card. To the operations of 16 PCMCIA is the PC card controller component controller, and can be connected between the chip control enabling signal is finished of the PC card controller and is invalid. The chip relative to the signal possibly a invalid and a.

The controller (400) is further arranged on the arbitration between two PC grooves card. Usually on the condition, the arbitration of multiplexing interface is welded by inserting the type of PC card. And a method with the traditional time division multiplexing planning, the is a receiving groove to the first, and receiving the second groove to work, and a on. And the CardBus card recess wall of the card-initiated) and requirement with the CardBus card REQ# signal of with good arbitration planning. Flow 16 PCMCIA card and CardBus target ring circuit, a PC card controller started the work, and is fit with the fair arbitration method for starting the work.

Order of adjusting power management system, wherein the length of the works, two grooves are the power supply. The system capillary needle of the slot PC card and a switch of the slot power supply. The is a power supply management system. A when the improved the PC card controller 400 circuit can be used, wherein the length of the pilot lamp, a supply power to two grooves. The can be connected rejecting the main body system power failure claim neglects, software power supply demand and by using the PC card power supply switch control interface 306 (adjustment power supply for. The best embodiment, wherein a card is inserted, PC card controller improved 400 automatic to PC card slot power supply; when the PC card cramped the automatic blacks out from the slot, and neglects the main body system software power supply demand.

The invention comprises the following one or multiple: A) is receives the CardBus power supply on the CORE VCC power supply circuit ring, voltage is 3 v power source to the PCMCIA switching, so CardBus CAN driving power supply to PCI-CardBus device, while conforming to the PC board card and accurate AC standard 5.3.2.1 .2 to eliminate VCCB (is further mounted SOCKET VCC) is demand.

THE reducing) is leakage of MF pin, a redistributes the pin of PCI power supply grouping and eliminating on the fixing area charging for a power source ring circuit for improving connected with a PCI function.

C) and a universal is a PCI-CardBus device are the miniature PCI main board system function platform, reducing power source/the grounding demands and a functions, and a lower specific state of the control of the main board and an of 128 needles.

THE) is configured PCI_AD31 16: a signal with a PCI device IDSEL signal, and VCCD1 signal is provided with a one of VCCD0 and lower/and deployment selection.

E) to position multiplexing the PC card to sharing signal in a double the PC card controller, the invention can reduce the signal number of PC card controller. Reducing the signal are connected with the tootsy to the front end of the footprint) is method each of the multiplexing.

The domain's claims people to know the improvement of the invention. For example, wherein the upper detailed rendering for a CardBus controller of simple. , And the domain's the technical further comprises of the invention can be used in the expanding card technologies, comprising an technology according SmartCard, PCMCIA and/or and newly is a flash memory device (e.g., Memory Card, SecureDigital, CompactFlash), and/or the expansion technologies. Similarly, the invention back or to reduce the ELECTROMAGNETIC leakage question and is plate space pin of concrete method. And; the concrete examples is less for detecting the principle of elaboration reducing the sensor. The shell improvements of the alcohol of the present invention, a voice on the invention wherein the.