Panasonic MN103S - Page 170

Chapter 7
I/O Port
VII - 18 Control Registers
■ Port 4 I/O Control Register (P4DIR: 0x0000A024) [8-bit access register]
■ Port 4 Output Mode Register (P4MD: 0x0000A034) [8-bit access register]
bp 76543210
Flag P47D P46D Reser
ved
Reser
ved
P43D P42D Reser
ved
Reser
ved
At reset 00000000
Access R/W R/W R/W R/W R/W R/W R/W R/W
bp Flag Description Set condition
7-6
P47D
to
P46D
I/O mode selection 0: Input mode
1: Output mode
5-4 Reserved - Write "0"
3-2
P43D
to
P42D
I/O mode selection 0: Input mode
1: Output mode
1-0 Reserved - Write "0"
bp 76543210
Flag P47M P46M Reser
ved
Reser
ved
P43M P42M Reser
ved
Reser
ved
At reset 00000000
Access R/W R/W R/W R/W R/W R/W R/W R/W
bp Flag Description Set condition
7P47M
Output pin setting 0: P47 pin
1: TM10BI0 pin
6P46M
Output pin setting 0: P46 pin
1: TM10AI0 pin
5-4 Reserved - Write "0"
3P43M
Output pin setting 0: P43 pin
1: TM9BI0 pin
2P42M
Output pin setting 0: P42 pin
1: TM9AI0 pin
1-0 Reserved - Write "0"