Rainbow Electronics DS31256 User Manual
Page 15
DS31256
15 of 181
PIN NAME
TYPE
FUNCTION
W5
PAD27
I/O
PCI Multiplexed Address and Data Bit 27
V5
PAD28
I/O
PCI Multiplexed Address and Data Bit 28
Y4
PAD29
I/O
PCI Multiplexed Address and Data Bit 29
Y3
PAD30
I/O
PCI Multiplexed Address and Data Bit 30
U5
PAD31
I/O
PCI Multiplexed Address and Data Bit 31
Y16
PCBE0
I/O
PCI Bus Command/Byte Enable Bit 0
V12
PCBE1
I/O
PCI Bus Command/Byte Enable Bit 1
Y9
PCBE2
I/O
PCI Bus Command/Byte Enable Bit 2
W6
PCBE3
I/O
PCI Bus Command/Byte Enable Bit 3
Y2 PCLK
I
PCI and System Clock. A 25MHz to 33 MHz clock is applied
here.
Y11
PDEVSEL
I/O
PCI Device Select
W10
PFRAME
I/O
PCI Cycle Frame
W4
PGNT
I
PCI Bus Grant
Y6
PIDSEL
I
PCI Initialization Device Select
W18
PINT
O PCI
Interrupt
V10
PIRDY
I/O
PCI Initiator Ready
W12
PPAR
I/O
PCI Bus Parity
V11
PPERR
I/O
PCI Parity Error
V4
PREQ
O
PCI Bus Request
W3
PRST
I PCI
Reset
Y12
PSERR
O
PCI System Error
W11
PSTOP
I/O PCI
Stop
Y10
PTRDY
I/O PCI
Target
Ready
V18
PXAS
O
PCI Extension Signal: Address Strobe
Y20
PXBLAST
O
PCI Extension Signal: Burst Last
W19
PXDS
O
PCI Extension Signal: Data Strobe
B1
RC0
I
Receive Serial Clock for Port 0
D1
RC1
I
Receive Serial Clock for Port 1
F2
RC2
I
Receive Serial Clock for Port 2
H2
RC3
I
Receive Serial Clock for Port 3
M1
RC4
I
Receive Serial Clock for Port 4
P1
RC5
I
Receive Serial Clock for Port 5
P4
RC6
I
Receive Serial Clock for Port 6
V1
RC7
I
Receive Serial Clock for Port 7
B17
RC8
I
Receive Serial Clock for Port 8
B16
RC9
I
Receive Serial Clock for Port 9
C14
RC10
I
Receive Serial Clock for Port 10
D12 RC11
I
Receive
Serial Clock for Port 11
A10
RC12
I
Receive Serial Clock for Port 12
B8
RC13
I
Receive Serial Clock for Port 13
B6
RC14
I
Receive Serial Clock for Port 14
C5
RC15
I
Receive Serial Clock for Port 15
D2
RD0
I
Receive Serial Data for Port 0
E2
RD1
I
Receive Serial Data for Port 1
G3
RD2
I
Receive Serial Data for Port 2
J4
RD3
I
Receive Serial Data for Port 3
M3
RD4
I
Receive Serial Data for Port 4
R1
RD5
I
Receive Serial Data for Port 5
T2
RD6
I
Receive Serial Data for Port 6
U3
RD7
I
Receive Serial Data for Port 7
D16
RD8
I
Receive Serial Data for Port 8