Interface Specifications; Bidirectional Parallel Interface - Epson EPL-N1600 Service Manual

EPSON EPL-N1600

1.3 INTERFACE SPECIFICATIONS

The EPL-N1600 supports the following interfaces.


Bidirectional parallel I/F (standard)


RS-232C serial (standard)


Type-B interface slot (1 slot for optional interface card)

1.3.1 Bidirectional Parallel Interface

The printer's built-in parallel interface complies with IEEE-1284, and
supports Compatibility, Nibble and ECP modes.
Transmission: 8-bit parallel (IEEE-1284 compliant)
Synchronization: By externally supplied STROBE signal
(STRBX)
Handshaking: By ACKX or BUSY
Logic Level: TTL level
Connector: IEEE-1284-B connector (36pin)
(57RE-40360-830B(D7A) DDK or equivalent)
Mode: Compatibility, Nibble and ECP mode
Pin Assignment:: See the table on right.
Rev. A
Table 1-10. Bidirectional Parallel I/F Pin Assignment
Pin I/O
*1 Compatibility
1 In nStrobe
2-9 In/Out
10 Out nACK
11 Out Busy
12 Out PError
13 Out Select
14 In nAutoFd
15 -
16 -
17 -
18 Out
19-30 -
31 In
32 Out nFault
33 - GND
34 - NC
35 Out +5V
36 In nSelectin
*1: "I/O" indicates a signal direction viewed from the printer.
Chapter 1 Product Description
IEEE 1284-B Connector
Nibble ECP
HostClk
DATA1 - 8
PtrClk PeriphClk
PrtBusy PeriphAck
AckDataReq nAckReverse
Xflag
HostBusy HostAck
NC
GND
CG
PeripheralLogic High
GND
nInit nReverseRequest
nDataAvail nPeriphRequest
IEEE1284 Active
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