Advantech RISC SOM-A2558 User Manual
Page 34
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User’s Manual for Advantech SOM-A2558 series module V1.00
34
B2
PCIAD2
IO PCI address/data 2
No pulling
A2
PCIAD3
IO PCI address/data 3
No pulling
B3
PCIAD4
IO PCI address/data 4
No pulling
A3
PCIAD5
IO PCI address/data 5
No pulling
B4
PCIAD6
IO PCI address/data 6
No pulling
A4
PCIAD7
IO PCI address/data 7
No pulling
B5
nCBE0
IO
PCI bus command and bytes
enable signal
No pulling
A5
PCIAD8
IO PCI address/data 8
No pulling
B6
PCIAD9
IO PCI address/data 9
No pulling
A6
PCIAD10
IO PCI address/data 10
No pulling
B7
PCIAD11
IO PCI address/data 11
No pulling
A7
nPCIRST
O PCI bus reset signal
No pulling
B8
PCICLKO
IO
PCI bus clock output (Typical
period: 31.2ns)
No pulling
A8
nCBE3
IO
PCI bus command and bytes
enable signal
No pulling
B9
nINTD
I PCI bus interrupt D
No pulling
A9
nINTC
I PCI bus interrupt C
No pulling
B10
GND
P Ground
-
A10
nINTB
I PCI bus interrupt B
No pulling
B11
nINTA
I PCI bus interrupt A
No pulling
A11
nGNT3
O PCI bus grant signal
No pulling
B12
nREQ3
I PCI bus request signal
No pulling
A12
nGNT2
O PCI bus grant signal
No pulling
B13
nREQ2
I PCI bus request signal
No pulling
A13
nGNT1
O PCI bus grant signal
No pulling
B14
nREQ1
I PCI bus request signal
No pulling
A14
GND
P Ground
-
B15
PCIAD31
IO PCI address/data 31
No pulling
A15
PCIAD30
IO PCI address/data 30
No pulling
B16
PCIAD12
IO PCI address/data 12
No pulling
A16
PCIAD13
IO PCI address/data 13
No pulling
B17
PCIAD14
IO PCI address/data 14
No pulling
A17
PCIAD15
IO PCI address/data 15
No pulling
B18
GND
P Ground
-
A18
nCBE1
IO
PCI bus command and bytes
enable signal
No pulling
B19
PAR
IO PCI bus parity bit
No pulling
A19
GND
P Ground
-
B20
nSERR
IO PCI bus system error signal
No pulling
A20
nPERR
IO PCI bus parity error signal
No pulling
B21
nSTOP
IO PCI bus stop signal
No pulling
A21
nDEVSEL
IO PCI bus device select signal
No pulling
B22
nTRDY
IO PCI bus target ready signal
No pulling
A22
nIRDY
IO PCI bus initiator ready signal
No pulling
B23
nFRAME
IO PCI bus cycle frame signal
No pulling
A23
nCBE2
IO PCI bus command and bytes
No pulling