MC908JB12DWE Datasheet, PDF (265/332 Pages) Freescale Semiconductor, Inc – MC68HC908JB16 Technical Data

Input/Output (I/O) Ports
Addr.
Register Name
Bit 7
Read: 0
$0009
Data Direction Register E
(DDRE)
Write:
Reset: 0
$001D
Port Option Control ^Read:
Register Write:
(POCR) _Reset:
PTE20P
0
6
5
0
0
0
0
PTDLDD PTDILDD
0
0
= Unimplemented
4
DDRE4
0
PTE4P
0
3
2
1
DDRE3 DDRE2 DDRE1
0
0
0
PTE3P PCP
R
0
0
0
R = Reserved
Bit 0
DDRE0
0
PAP
0
Figure 14-1. I/O Port Register Summary
Table 14-1. Port Control Register Bits Summary
Module Control
Port
Bit
DDR
Pin
Module
Register
Control Bit
0
DDRA0
KBIE0
PTA0/KBA0
1
DDRA1
KBIE1
PTA1/KBA1
2
DDRA2
KBIE2
PTA2/KBA2
3
DDRA3
A
KBI
4
DDRA4
KBIER
$0017
KBIE3
KBIE4
PTA3/KBA3
PTA4/KBA4
5
DDRA5
KBIE5
PTA5/KBA5
6
DDRA6
KBIE6
PTA6/KBA6
7
DDRA7
KBIE7
PTA7/KBA7
0
DDRC0
C
SCI
1
DDRC1
SCC1
$005A
ENSCI
PTC0/TxD
PTC1/RxD
D
0–5 DDRD[0:5]
—
—
—
PTD0–PTD5
0
DDRE0
TIM1
or
TIM2
T1SC $000A
or
T2SC $0040
PS[2:0]
PTE0/TCLK
T1SC0 $0010 ELS0B:ELS0A
1
DDRE1
TIM1
or
or
PTE1/T1CH01
E
T1SC1 $0013 ELS1B:ELS1A
T2SC0 $0046 ELS0B:ELS0A
2
DDRE2
TIM2
or
or
PTE2/T2CH01
T2SC1 $0049 ELS1B:ELS1A
3
DDRE3
4
DDRE4
USB
UADDR
$0038
USBEN
PTE3/D+
PTE4/D–
MC68HC908JB16 — Rev. 1.1
Freescale Semiconductor
Input/Output (I/O) Ports
Technical Data
265