Freescale Semiconductor, Inc.
Memory
Addr.
Register Name
Bit 7
6
0
0
5
0
0
4
0
0
3
0
0
2
LAT
0
1
0
0
Bit 0
PGM
0
Read:
EPROM Programming
0
0
$001C
Register (PROG) Write:
See page 109.
Reset:
Read:
Programmable COP Reset
$001D
Register (COPRST) Write: Bit 7
See page 64.
Bit 6
U
Bit 5
U
Bit 4
U
Bit 3
U
Bit 2
U
Bit 1
U
Bit 0
U
Reset:
U
Read:
0
0
0
COPF
Programmable COP Control
CME
0
PCOPE
0
CM1
0
CM0
0
$001E
$001F
Register (COPCR) Write:
See page 64.
Reset:
0
0
0
U
Unimplemented
Read:
Option Register
RAM0
0
RAM1
0
0
0
0
0
SEC*
IRQ
1
0
0
$1FDF
(Option) Write:
See page 116.
Reset:
*
U
*Implemented as an EPROM cell
Mask Option Register 1
Read:
PBPU0/
COPC
PBPU7 PBPU6 PBPU5
PBPU4
PBPU3
PBPU2 PBPU1
$1FF0
(MOR1) Write:
See page 117.
Reset:
Read:
Unaffected by reset
Mask Option Register 2
NCOPE
$1FF1
(MOR2) Write:
See page 118.
Reset:
Unaffected by reset
U = Unaffected
= Unimplemented
Figure 2-2. I/O Register Summary (Sheet 4 of 4)
Technical Data
42
MC68HC705C8A — Rev. 3
Memory
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