DESCRIPTION OF PIN FUNCTIONS
PQFP PIN NO.
25
23
32,36,37,39,40,42,
43,45,49,59-61,
63-65,67,88,89,
91-94,96,97,108,
109,111,112,114,
115,117,118
46,68,87,99
86
70
71
74
77
79
48
NAME
PCICLK
nRST
AD
I/O
TYPE
PCI INTERFACE
I
PCLK
,
I
dc_lk1
I
PCI
,
I
dc_lk1
IO
PCI
,
I/O
dc_lk2
DESCRIPTION
PCI Clock
PCI System Reset
PCI Multiplexed Address/Data Bus
nCBE
PAR
nFRAME
nIRDY
nTRDY
nSTOP
nLOCK
IDSEL
I/O
I/O
I/O
I/O
I/O
I/O
I
I
IO
PCI
,
dc_lk2
IO
PCI
,
dc_lk2
IO
PCI
,
dc_lk2
IO
PCI
,
dc_lk2
IO
PCI
,
dc_lk2
IO
PCI
,
dc_lk2
IO
PCI
,
dc_lk2
I
PCI
,
dc_lk1
IO
PCI
,
dc_lk2
O
PCI
,
dc_lk2
I
PCI
,
dc_lk1
IO
PCI
,
dc_lk2
O
PCI
,
dc_lk2
6
PCI Multiplexed Command/Byte
Enable Signals
PCI Parity Signal
PCI Cycle Frame Signal
PCI Initiator Ready Signal
PCI Target Ready Signal
PCI Cycle Stop Signal
PCI Lock Signal
PCI Initiation Device Select Signal.
Used as a Chip Select for
Configuration Reads and Writes
PCI Device Select
PCI Bus Request
PCI Bus Grant
PCI Parity Error
PCI System Error (Open Drain)
75
31
29
83
84
nDEVSEL
nREQ
nGNT
nPERR
nSERR
I/O
O
I
I/O
O
SMSC [ SMSC CORPORATION ]
