C868_02 Datasheet, PDF (48/244 Pages) Infineon Technologies AG – 8 - Bit CMOS Microcontroller

C868
On-Chip Peripheral Components
P3
Port 3 Register
[Reset value: FF_H]
B7_H
B6_H
B5_H
B4_H
B3_H
B2_H
B1_H
B0_H
P3
rw
Field
P3
Bits Typ Description
[7:0] rw Port 3 Latch.
This SFR appears at address B0_H, only if bit RMAP
(SYSCON0.4) is ‘0’.
P3DIR
Port 3 Direction Register
B7_H
B6_H
B5_H
B4_H
B3_H
P3DIR
rw
[Reset value: FF_H]
B2_H
B1_H
B0_H
Field
P3DIR
Bits Typ Description
[7:0] rw Port 3 Direction Register.
This SFR appears at address B0_H, only if bit RMAP
(SYSCON0.4) is ‘1’
0: The associated pin is an output.
1: The associated pin is an input (default).
User’s Manual
4-4
V 0.4, 2002-01