MC68HC908JW32_09 Datasheet, PDF (168/232 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Input/Output (I/O) Ports
Addr.
$0005
$0006
$0007
$0009
$001A
$001B
$003E
Register Name
Bit 7
Read:
Data Direction Register B
(DDRB)
Write:
Reset:
DDRB7
0
Read:
Data Direction Register C
(DDRC)
Write:
Reset: 0
Read:
Data Direction Register D
(DDRD)
Write:
Reset:
DDRD7
0
Read:
Data Direction Register E
(DDRE)
Write:
Reset:
DDRE7
0
Port Option Control ^Read:
Register 1 Write:
(POCR1) _Reset:
LEDB7
0
Port Option Control ^Read:
0
Register 2 Write:
(POCR2) _Reset:
0
Read:
Pullup Control Register
(PULLCR)
Write:
PULL7EN
Reset: 0
6
DDRB6
0
5
DDRB5
0
0
0
DDRD6 DDRD5
0
0
DDRE6 DDRE5
0
0
LEDB6 LEDB5
0
0
0
PTD7PD
0
0
PULL6EN PULL5EN
0
0
= Unimplemented
4
DDRB4
0
0
DDRD4
0
DDRE4
0
LEDB4
0
PTD3PD
0
PULL4EN
0
3
2
1
DDRB3 DDRB2 DDRB1
0
0
0
DDRC3 DDRC2 DDRC1
0
0
0
DDRD3 DDRD2 DDRD1
0
0
0
DDRE3 DDRE2
0
0
0
LEDB3 LEDB2 LEDB1
0
0
0
PTD2PD DPPULLEN PTE3P
0
0
0
PULL3EN PULL2EN PULL1EN
0
0
0
Bit 0
DDRB0
0
DDRC0
0
DDRD0
0
0
LEDB0
0
PTE2P
0
PULL0EN
0
Figure 13-1. I/O Port Register Summary (Continued)
Port
Bit
0
1
2
3
A
4
5
6
7
Table 13-1. Port Control Register Bits Summary
DDR
DDRA0
DDRA1
DDRA2
DDRA3
DDRA4
DDRA5
DDRA6
DDRA7
Module
KBI
Module Control
Register
KBIER ($17)
Control Bit
KBIE0
KBIE1
KBIE2
KBIE3
KBIE4
KBIE5
KBIE6
KBIE7
Pin
PTA0/KBA0
PTA1/KBA1
PTA2/KBA2
PTA3/KBA3
PTA4/KBA4
PTA5/KBA5
PTA6/KBA6
PTA7/KBA7
MC68HC908JW32 Data Sheet, Rev. 6
168
Freescale Semiconductor