W83627EHF_0611 Datasheet, PDF (18/144 Pages) Winbond – WINBOND LPC I/O

W83627EHF/EF, W83627EHG/EG
Multi-Mode Parallel Port, continued.
SYMBOL PIN
I/O
PD1
41
I/O_12ts
PD2
40
I/O_12ts
PD3
39
I/O_12ts
PD4
38
I/O_12ts
PD5
37
I/O_12ts
PD6
36
I/O_12ts
PD7
35
I/O_12ts
FUNCTION
PRINTER MODE: PD1
Parallel port data bus bit 1. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
PRINTER MODE: PD2
Parallel port data bus bit 2. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
PRINTER MODE: PD3
Parallel port data bus bit 3. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
PRINTER MODE: PD4
Parallel port data bus bit 4. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
PRINTER MODE: PD5
Parallel port data bus bit 5. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
PRINTER MODE: PD6
Parallel port data bus bit 6. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
PRINTER MODE: PD7
Parallel port data bus bit 7. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
5.4 Serial Port & Infrared Port Interface
SYMBOL
CTSA#
GP67
CTSB#
GP47***
DSRA#
GP66
PIN
I/O
FUNCTION
Clear To Send. It is the modem control input. The function of
49
IN_{t these pins can be tested by reading bit 4 of the handshake status}
register.
I/OD_12t General purpose I/O port 6 bit 7.
Clear To Send. It is the modem control input. The function of
78
IN_{t these pins can be tested by reading bit 4 of the handshake status}
register.
I/OD_12t General purpose I/O port 4 bit 7.
Data Set Ready. An active low signal indicates the modem or
50
IN_{t data set is ready to establish a communication link and transfer}
data to the UART.
I/OD_12t General purpose I/O port 6 bit 6.
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