MC908GR8CDWE Datasheet, PDF (207/408 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Freescale Semiconductor, Inc.
Input/Output Ports (I/O)
Introduction
Addr. Register Name
Bit 7
6
5
4
3
2
1
Bit 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: 0
0
0
0
$000D
Port
A Input Pullup Enable
Register (PTAPUE)
Write:
PTAPUE3 PTAPUE2 PTAPUE1 PTAPUE0
Reset: 0
0
0
0
0
0
0
0
Read: 0
0
0
0
0
0
$000E
Port
C Input Pullup Enable
Register (PTCPUE)
Write:
PTCPUE1 PTCPUE0
Reset: 0
0
0
0
0
0
0
0
Read: 0
$000F
Port
D Input Pullup Enable
Register (PTDPUE)
Write:
PTDPUE6 PTDPUE5 PTDPUE4 PTDPUE3 PTDPUE2 PTDPUE1 PTDPUE0
Reset: 0
0
0
0
0
0
0
0
= Unimplemented
Figure 16-1. I/O Port Register Summary (Continued)
MC68HC908GR8 — Rev 4.0
MOTOROLA
Input/Output Ports (I/O)
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Technical Data
207