Datasheet

Input/Output (I/O) Ports
MC68HC908LJ12 — Rev. 2.1 Technical Data
Freescale Semiconductor Input/Output (I/O) Ports 343
Table 17-1. Port Control Register Bits Summary
Port Bit DDR
Module Control
Pin
Module Register Control Bit
A
0 DDRA0
KBI KBIER ($001C)
KBIE0 PTA0/KBI0
1 DDRA1 KBIE1 PTA1/KBI1
2 DDRA2 KBIE2 PTA2/KBI2
3 DDRA3 KBIE3 PTA3/KBI3
4 DDRA4
ADC ADSCR ($003C) ADCH[4:0]
PTA4/ATD0
5 DDRA5 PTA5/ATD1
6 DDRA6 PTA6/ATD2
7 DDRA7 PTA7/ATD3
B
0 DDRB0
SCI SCC1 ($0013) ENSCI
PTB0/TxD
1 DDRB1 PTB1/RxD
2 DDRB2
TIM1
T1SC0 ($0025) ELS0B:ELS0A PTB2/T1CH0
3 DDRB3 T1SC1 ($0028) ELS1B:ELS1A PTB3/T1CH1
4 DDRB4
TIM2
T2SC0 ($0030) ELS0B:ELS0A PTB4/T2CH0
5 DDRB5 T2SC1 ($0033) ELS1B:ELS1A PTB5/T2CH1
6 DDRB6
ADC ADSCR ($003C) ADCH[4:0]
PTB6/ATD4
7 DDRB7 PTB7/ATD5
C
0 DDRC0
LCD CONFIG2 ($001D)
PCEL
PTC0/FP19
1 DDRC1 PTC1/FP20
2 DDRC2 PTC2/FP21
3 DDRC3 PTC3/FP22
4 DDRC4
PCEH
PTC4/FP23
5 DDRC5 PTC5/FP24
6 DDRC6 PTC6/FP25
7 DDRC7 PTC7/FP26
D
0 DDRD0
SPI SPCR ($0010) SPE
PTD0/SS
1 DDRD1 PTD1/MISO
2 DDRD2 PTD2/MOSI
3 DDRD3 PTD3/SPSCK
4 DDRD4
KBI KBIER ($001C)
KBIE4 PTD4/KBI4
5 DDRD5 KBIE5 PTD5/KBI5
6 DDRD6 KBIE6 PTD6/KBI6
7 DDRD7 KBIE7 PTD7/KBI7