PCI总线引脚定义
PCI 是 Peripheral Component Interconnect 的缩写
引脚定义
Pin | +5V | +3.3V | Universal | Description |
---|---|---|---|---|
A1 | TRST |
|
| Test Logic Reset |
A2 | +12V |
|
| +12 VDC |
A3 | TMS |
|
| Test Mde Select |
A4 | TDI |
|
| Test Data Input |
A5 | +5V |
|
| +5 VDC |
A6 | INTA |
|
| Interrupt A |
A7 | INTC |
|
| Interrupt C |
A8 | +5V |
|
| +5 VDC |
A9 | RESV01 |
|
| Reserved VDC |
A10 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
A11 | RESV03 |
|
| Reserved VDC |
A12 | GND03 | (OPEN) | (OPEN) | Ground or Open (Key) |
A13 | GND05 | (OPEN) | (OPEN) | Ground or Open (Key) |
A14 | RESV05 |
|
| Reserved VDC |
A15 | RESET |
|
| Reset |
A16 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
A17 | GNT |
|
| Grant PCI use |
A18 | GND08 |
|
| Ground |
A19 | RESV06 |
|
| Reserved VDC |
A20 | AD30 |
|
| Address/Data 30 |
A21 | +3.3V01 |
|
| +3.3 VDC |
A22 | AD28 |
|
| Address/Data 28 |
A23 | AD26 |
|
| Address/Data 26 |
A24 | GND10 |
|
| Ground |
A25 | AD24 |
|
| Address/Data 24 |
A26 | IDSEL |
|
| Initialization Device Select |
A27 | +3.3V03 |
|
| +3.3 VDC |
A28 | AD22 |
|
| Address/Data 22 |
A29 | AD20 |
|
| Address/Data 20 |
A30 | GND12 |
|
| Ground |
A31 | AD18 |
|
| Address/Data 18 |
A32 | AD16 |
|
| Address/Data 16 |
A33 | +3.3V05 |
|
| +3.3 VDC |
A34 | FRAME |
|
| Address or Data phase |
A35 | GND14 |
|
| Ground |
A36 | TRDY |
|
| Target Ready |
A37 | GND15 |
|
| Ground |
A38 | STOP |
|
| Stop Transfer Cycle |
A39 | +3.3V07 |
|
| +3.3 VDC |
A40 | SDONE |
|
| Snoop Done |
A41 | SBO |
|
| Snoop Backoff |
A42 | GND17 |
|
| Ground |
A43 | PAR |
|
| Parity |
A44 | AD15 |
|
| Address/Data 15 |
A45 | +3.3V10 |
|
| +3.3 VDC |
A46 | AD13 |
|
| Address/Data 13 |
A47 | AD11 |
|
| Address/Data 11 |
A48 | GND19 |
|
| Ground |
A49 | AD9 |
|
| Address/Data 9 |
A52 | C/BE0 |
|
| Command, Byte Enable 0 |
A53 | +3.3V11 |
|
| +3.3 VDC |
A54 | AD6 |
|
| Address/Data 6 |
A55 | AD4 |
|
| Address/Data 4 |
A56 | GND21 |
|
| Ground |
A57 | AD2 |
|
| Address/Data 2 |
A58 | AD0 |
|
| Address/Data 0 |
A59 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
A60 | REQ64 |
|
| Request 64 bit ??? |
A61 | VCC11 |
|
| +5 VDC |
A62 | VCC13 |
|
| +5 VDC |
|
|
|
|
|
A63 | GND |
|
| Ground |
A64 | C/BE[7]# |
|
| Command, Byte Enable 7 |
A65 | C/BE[5]# |
|
| Command, Byte Enable 5 |
A66 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
A67 | PAR64 |
|
| Parity 64 ??? |
A68 | AD62 |
|
| Address/Data 62 |
A69 | GND |
|
| Ground |
A70 | AD60 |
|
| Address/Data 60 |
A71 | AD58 |
|
| Address/Data 58 |
A72 | GND |
|
| Ground |
A73 | AD56 |
|
| Address/Data 56 |
A74 | AD54 |
|
| Address/Data 54 |
A75 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
A76 | AD52 |
|
| Address/Data 52 |
A77 | AD50 |
|
| Address/Data 50 |
A78 | GND |
|
| Ground |
A79 | AD48 |
|
| Address/Data 48 |
A80 | AD46 |
|
| Address/Data 46 |
A81 | GND |
|
| Ground |
A82 | AD44 |
|
| Address/Data 44 |
A83 | AD42 |
|
| Address/Data 42 |
A84 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
A85 | AD40 |
|
| Address/Data 40 |
A86 | AD38 |
|
| Address/Data 38 |
A87 | GND |
|
| Ground |
A88 | AD36 |
|
| Address/Data 36 |
A89 | AD34 |
|
| Address/Data 34 |
A90 | GND |
|
| Ground |
A91 | AD32 |
|
| Address/Data 32 |
A92 | RES |
|
| Reserved |
A93 | GND |
|
| Ground |
A94 | RES |
|
| Reserved |
|
|
|
|
|
B1 | -12V |
|
| -12 VDC |
B2 | TCK |
|
| Test Clock |
B3 | GND |
|
| Ground |
B4 | TDO |
|
| Test Data Output |
B5 | +5V |
|
| +5 VDC |
B6 | +5V |
|
| +5 VDC |
B7 | INTB |
|
| Interrupt B |
B8 | INTD |
|
| Interrupt D |
B9 | PRSNT1 |
|
| Reserved |
B10 | RES |
|
| +V I/O (+5 V or +3.3 V) |
B11 | PRSNT2 |
|
| ?? |
B12 | GND | (OPEN) | (OPEN) | Ground or Open (Key) |
B13 | GND | (OPEN) | (OPEN) | Ground or Open (Key) |
B14 | RES |
|
| Reserved VDC |
B15 | GND |
|
| Reset |
B16 | CLK |
|
| Clock |
B17 | GND |
|
| Ground |
B18 | REQ |
|
| Request |
B19 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
B20 | AD31 |
|
| Address/Data 31 |
B21 | AD29 |
|
| Address/Data 29 |
B22 | GND |
|
| Ground |
B23 | AD27 |
|
| Address/Data 27 |
B24 | AD25 |
|
| Address/Data 25 |
B25 | +3.3V |
|
| +3.3VDC |
B26 | C/BE3 |
|
| Command, Byte Enable 3 |
B27 | AD23 |
|
| Address/Data 23 |
B28 | GND |
|
| Ground |
B29 | AD21 |
|
| Address/Data 21 |
B30 | AD19 |
|
| Address/Data 19 |
B31 | +3.3V |
|
| +3.3 VDC |
B32 | AD17 |
|
| Address/Data 17 |
B33 | C/BE2 |
|
| Command, Byte Enable 2 |
B34 | GND13 |
|
| Ground |
B35 | IRDY |
|
| Initiator Ready |
B36 | +3.3V06 |
|
| +3.3 VDC |
B37 | DEVSEL |
|
| Device Select |
B38 | GND16 |
|
| Ground |
B39 | LOCK |
|
| Lock bus |
B40 | PERR |
|
| Parity Error |
B41 | +3.3V08 |
|
| +3.3 VDC |
B42 | SERR |
|
| System Error |
B43 | +3.3V09 |
|
| +3.3 VDC |
B44 | C/BE1 |
|
| Command, Byte Enable 1 |
B45 | AD14 |
|
| Address/Data 14 |
B46 | GND18 |
|
| Ground |
B47 | AD12 |
|
| Address/Data 12 |
B48 | AD10 |
|
| Address/Data 10 |
B49 | GND20 |
|
| Ground |
B50 | (OPEN) | GND | (OPEN) | Ground or Open (Key) |
B51 | (OPEN) | GND | (OPEN) | Ground or Open (Key) |
B52 | AD8 |
|
| Address/Data 8 |
B53 | AD7 |
|
| Address/Data 7 |
B54 | +3.3V12 |
|
| +3.3 VDC |
B55 | AD5 |
|
| Address/Data 5 |
B56 | AD3 |
|
| Address/Data 3 |
B57 | GND22 |
|
| Ground |
B58 | AD1 |
|
| Address/Data 1 |
B59 | VCC08 |
|
| +5 VDC |
B60 | ACK64 |
|
| Acknowledge 64 bit ??? |
B61 | VCC10 |
|
| +5 VDC |
B62 | VCC12 |
|
| +5 VDC |
|
|
|
|
|
B63 | RES |
|
| Reserved |
B64 | GND |
|
| Ground |
B65 | C/BE[6]# |
|
| Command, Byte Enable 6 |
B66 | C/BE[4]# |
|
| Command, Byte Enable 4 |
B67 | GND |
|
| Ground |
B68 | AD63 |
|
| Address/Data 63 |
B69 | AD61 |
|
| Address/Data 61 |
B70 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
B71 | AD59 |
|
| Address/Data 59 |
B72 | AD57 |
|
| Address/Data 57 |
B73 | GND |
|
| Ground |
B74 | AD55 |
|
| Address/Data 55 |
B75 | AD53 |
|
| Address/Data 53 |
B76 | GND |
|
| Ground |
B77 | AD51 |
|
| Address/Data 51 |
B78 | AD49 |
|
| Address/Data 49 |
B79 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
B80 | AD47 |
|
| Address/Data 47 |
B81 | AD45 |
|
| Address/Data 45 |
B82 | GND |
|
| Ground |
B83 | AD43 |
|
| Address/Data 43 |
B84 | AD41 |
|
| Address/Data 41 |
B85 | GND |
|
| Ground |
B86 | AD39 |
|
| Address/Data 39 |
B87 | AD37 |
|
| Address/Data 37 |
B88 | +5V | +3.3V | Signal Rail | +V I/O (+5 V or +3.3 V) |
B89 | AD35 |
|
| Address/Data 35 |
B90 | AD33 |
|
| Address/Data 33 |
B91 | GND |
|
| Ground |
B92 | RES |
|
| Reserved |
B93 | RES |
|
| Reserved |
B94 | GND |
|
| Ground |
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