Communication Processor Module
MOTOROLA
MPC823e REFERENCE MANUAL
16-487
PORTS
COMMUNICATION
16
PROCESSOR MODULE
16.14.6.3 PORT B DATA DIRECTION REGISTER.
The port B data direction register
(PBDIR) is cleared at system reset.
Bits 0–15—Reserved
These bits are reserved and must be set to 0.
DR16–DR31—Data Direction Pins 16-31
0 = The corresponding pin is an input.
1 = The corresponding pin is an output.
PBDIR
BIT
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
FIELD
RESERVED
RESET
0
R/W
R/W
ADDR
(IMMR & 0xFFFF0000) + 0x
AB8
BIT
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
FIELD
DR16 DR17 DR18 DR19 DR20 DR21 DR22 DR23 DR24 DR25 DR26 DR27 DR28 DR29 DR30 DR31
RESET
0000000000000000
R/W
R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
ADDR
(IMMR & 0xFFFF0000) + 0xABA
To Next Page
Loading...
