W83627THF_06 Datasheet, PDF (18/142 Pages) Winbond – Winbond LPC I/O

W83627THF/W83627THG
3.3 Multi-Mode Parallel Port
The following pins have alternate functions, which are controlled by CR28 and L3-CRF0.
SYMBOL PIN
I/O
FUNCTION
PRINTER MODE:
SLCT
31
IN_t
An active high input on this pin indicates that the printer is
selected. Refer to the description of the parallel port for definition
of this pin in ECP and EPP mode.
PRINTER MODE:
PE
32
IN_t
An active high input on this pin indicates that the printer has
detected the end of the paper. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
PRINTER MODE:
BUSY
33
IN_t
An active high input indicates that the printer is not ready to
receive data. Refer to the description of the parallel port for
definition of this pin in ECP and EPP mode.
PRINTER MODE: ACK#
ACK#
An active low input on this pin indicates that the printer has
34
IN_{t received data and is ready to accept more data. Refer to the}
description of the parallel port for the definition of this pin in
ECP and EPP mode.
PRINTER MODE: ERR#
ERR#
45
IN_t ^{An active low input on this pin indicates that the printer has}
encountered an error condition. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
PRINTER MODE: SLIN#
SLIN#
43
OD₁₂
Output line for detection of printer selection. Refer to the
description of the parallel port for the definition of this pin in ECP
and EPP mode.
PRINTER MODE: INIT#
INIT#
44
OD₁₂
Output line for the printer initialization. Refer to the description of
the parallel port for the definition of this pin in ECP and EPP
mode.
PRINTER MODE: AFD#
AFD#
46
OD₁₂
An active low output from this pin causes the printer to auto feed
a line after a line is printed. Refer to the description of the parallel
port for the definition of this pin in ECP and EPP mode.
- 11 -
Publication Release Date: September 26, 2006
Revision 1.2