MC68HC908GP32 Datasheet, PDF (215/410 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

Freescale Semiconductor, Inc.
Input/Output (I/O) Ports
Introduction
Addr. Register Name
Bit 7
6
5
4
3
2
1
Bit 0
Read:
$0005
Data Direction Register B
(DDRB)
Write:
Reset:
DDRB7
0
DDRB6
0
DDRB5
0
DDRB4
0
DDRB3
0
DDRB2
0
DDRB1
0
DDRB0
0
Read: 0
$0006
Data Direction Register C
(DDRC)
Write:
Reset: 0
DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
0
0
0
0
0
0
0
Read:
$0007
Data Direction Register D
(DDRD)
Write:
Reset:
DDRD7
0
DDRD6
0
DDRD5
0
DDRD4
0
DDRD3
0
DDRD2
0
DDRD1
0
DDRD0
0
Read: 0
0
0
0
0
0
$0008
Port E Data Register
(PTE)
Write:
PTE1 PTE0
Reset:
Unaffected by reset
Read: 0
0
0
0
0
0
$000C
Data Direction Register E
(DDRE)
Write:
DDRE1 DDRE0
Reset: 0
0
0
0
0
0
0
0
Read:
Port A Input Pullup Enable
PTAPUE7 PTAPUE6 PTAPUE5 PTAPUE4 PTAPUE3 PTAPUE2 PTAPUE1 PTAPUE0
$000D
Register Write:
(PTAPUE)
Reset: 0
0
0
0
0
0
0
0
Read: 0
Port C Input Pullup Enable
PTCPUE6 PTCPUE5 PTCPUE4 PTCPUE3 PTCPUE2 PTCPUE1 PTCPUE0
$000E
Register Write:
(PTCPUE)
Reset: 0
0
0
0
0
0
0
0
Read:
Port D Input Pullup Enable
PTDPUE7 PTDPUE6 PTDPUE5 PTDPUE4 PTDPUE3 PTDPUE2 PTDPUE1 PTDPUE0
$000F
Register Write:
(PTDPUE)
Reset: 0
0
0
0
0
0
0
0
= Unimplemented
Figure 16-1. I/O Port Register Summary (Continued)
MC68HC908GP32•MC68HC08GP32 — Rev. 6
MOTOROLA
Input/Output (I/O) Ports
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Technical Data
213