6 pci interface – NEC Network Controller uPD98502 User Manual
Page 41

CHAPTER 1 INTRODUCTION
Preliminary User’s Manual S15543EJ1V0UM
41
1.7.6 PCI interface
(1/2)
Pin Name
Pin No.
I/O
Active Level
Function
PSCLK
V30
I
PCI clock
PARBN
D26
I
PCI arbiter enable
PMODE
C27
I
PCI mode select (L: host, H: NIC)
PIDSEL
U28
I
H
Initialization device select
PDSEL_B
M29
I/OZ
L
Device select
PER_B
L30
I/OZ
L
Parity error
PFRA_B
N29
I/OZ
L
Cycle frame
PHINT_B
B28
I
L
PCI host interrupt
PINT_B
AC30
O
L
Interrupt_A
PIRY_B
N27
I/OZ
L
Initiator ready
PME_B
Y27
OD
L
Power management event
PRSTO_B
B29
O
L
PCI system reset out
PSERI_B
A30
I
L
System error in
PSERO_B
L29
O
L
System error out
PTRY_B
N26
I/OZ
L
Target ready
PSTP_B
M28
I/OZ
L
Stop request from target
PCBE0_B
H28
I/OZ
L
Bus command and byte enable
PCBE1_B
L26
I/OZ
L
Bus command and byte enable
PCBE2_B
N30
I/OZ
L
Bus command and byte enable
PCBE3_B
T30
I/OZ
L
Bus command and byte enable
PRQO_B
Y28
O
L
Bus request out
PRQI0_B
C30
I
L
Bus request in[0]
PRQI1_B
D29
I
L
Bus request in[1]
PRQI2_B
E28
I
L
Bus request in[2]
PRQI3_B
E27
I
L
Bus request in[3]
PGTI_B
AA28
I
L
Bus grant in
PGTO0_B
B30
O
L
Bus grant out[0]
PGTO1_B
C29
O
L
Bus grant out[1]
PGTO2_B
D28
O
L
Bus grant out[2]
PGTO3_B
C28
O
L
Bus grant out[3]
PAR
L28
I/OZ
Parity of address/data
PAD0
D30
I/OZ
PCI address and data
PAD1
G26
I/OZ
PCI address and data
PAD2
E29
I/OZ
PCI address and data
PAD3
G27
I/OZ
PCI address and data
PAD4
E30
I/OZ
PCI address and data
PAD5
F29
I/OZ
PCI address and data
PAD6
F30
I/OZ
PCI address and data
PAD7
G29
I/OZ
PCI address and data
PAD8
G30
I/OZ
PCI address and data
PAD9
H29
I/OZ
PCI address and data
PAD10
J27
I/OZ
PCI address and data