Table 39 - Parallel Port Connector
HOST
CONNECTOR
PIN NUMBER
STANDARD
nStrobe
EPP
ECP
1
nWrite
PData<0:7>
Intr
nStrobe
2-9
10
11
12
PData<0:7>
nAck
PData<0:7>
nAck
Busy
nWait
Busy, PeriphAck(3)
PE
(NU)
PError,
nAckReverse(3)
13
14
Select
(NU)
Select
nAutofd
nDatastb
nAutoFd,
HostAck(3)
15
16
17
nError
nInit
(NU)
nFault(1)
nPeriphRequest(3)
(NU)
nInit(1)
nReverseRqst(3)
nSelectin
nAddrstrb
nSelectIn(1,3)
(1) = Compatible Mode
(3) = High Speed Mode
Note:
For the cable interconnection required for ECP support and the Slave Connector pin
numbers, refer to the IEEE 1284 Extended Capabilities Port Protocol and ISA Standard, Rev.
1.14, July 14, 1993. This document is available from Microsoft.
88
SMSC [ SMSC CORPORATION ]
