PCI 是 Peripheral Component Interconnect 的缩写
接口卡的外观
PCI 标准 32位/64位 接口卡
----------------------------------------------------------------
| PCI 元件侧 （B面） |
| |
| |
| |
| ____ 32 位引脚部分 64 位引脚部分 ___|
|___| |||||||--|||||||||||||||||--|||||||--||||||||||||||
^ ^ ^ ^ ^ ^ ^ ^
b01 b11 b14 b49 b52 b62 b63 b94
PCI 5V 32/64位卡
| optional |
| ____ 32 位引脚部分 64 位引脚部分 ___|
|___| ||||||||||||||||||||||||||--|||||||--||||||||||||||
PCI 3.3V 32/64位卡
| optional |
| ____ 32 位引脚部分 64 位引脚部分 ___|
|___| |||||||--||||||||||||||||||||||||||--||||||||||||||
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
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