mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 930

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

Communication Processor Module
16.14.3.3 PORT A DATA DIRECTION REGISTER. The port A data direction (PADIR)
register is cleared by system reset.
Bits 0–3—Reserved
These bits are reserved and must be set to 0.
DR4–DR15—Direction Pins 4-15
16.14.3.4 PORT A PIN ASSIGNMENT REGISTER. The port A pin assignment register
(PAPAR) is cleared at system reset.
Bits 0–3—Reserved
These bits are reserved and must be set to 0.
DD4–DD15—Dedicated Peripheral Pins 4-15
PADIR
PAPAR
RESET
RESET
FIELD
ADDR
FIELD
ADDR
R/W
R/W
BIT
BIT
0 = The corresponding pin is an input.
1 = The corresponding pin is an output.
0 = General-purpose I/O. The peripheral functions of the pin are not used.
1 = Dedicated peripheral function. The pin is used by the internal module. The
on-chip peripheral function to which it is dedicated can be determined by other bits.
0
0
RESERVED
RESERVED
1
1
R/W
R/W
0
0
2
2
Freescale Semiconductor, Inc.
For More Information On This Product,
3
3
DR4
R/W
DD4
R/W
MPC823 REFERENCE MANUAL
4
0
4
0
Go to: www.freescale.com
DR5
R/W
DD5
R/W
5
0
5
0
(IMMR & 0xFFFF0000) + 0x950
(IMMR & 0xFFFF0000) + 0x952
DR6
R/W
DD6
R/W
6
0
6
0
DR7
DD7
R/W
R/W
7
0
7
0
DR8
DD8
R/W
R/W
8
0
8
0
DR9 DR10 DR11 DR12 DR13 DR14 DR15
DD9 DD10 DD11 DD12 DD13 DD14 DD15
R/W
R/W
9
0
9
0
R/W
R/W
10
10
0
0
R/W
R/W
11
11
0
0
R/W
R/W
12
12
0
0
R/W
R/W
13
13
0
0
MOTOROLA
R/W
R/W
14
14
0
0
R/W
R/W
15
15
0
0