MC68HC705C8A Datasheet, PDF (40/222 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Memory
Addr.
Register Name
Bit 7
6
$001C
Read:
EPROM Programming
0
0
Register (PROG) Write:
See page 107.
Reset: 0
0
Read:
Programmable COP Reset
$001D
Register (COPRST) Write: Bit 7 Bit 6
See page 62.
Reset: U
U
Read: 0
0
Programmable COP Control
$001E
Register (COPCR) Write:
See page 62.
Reset: 0
0
$001F
Unimplemented
5
4
0
0
0
0
Bit 5 Bit 4
U
U
0
COPF
0
U
3
2
1
Bit 0
0
LAT
0
PGM
0
0
0
0
Bit 3
Bit 2 Bit 1 Bit 0
U
U
U
U
CME PCOPE CM1 CM0
0
0
0
0
$1FDF
Read:
Option Register
RAM0 RAM1
0
(Option) Write:
See page 114.
Reset: 0
0
0
0
SEC*
0
*
*Implemented as an EPROM cell
$1FF0
Read:
Mask Option Register 1
PBPU7
(MOR1) Write:
See page 115.
Reset:
PBPU6
PBPU5
PBPU4 PBPU3
Unaffected by reset
$1FF1
Read:
Mask Option Register 2
(MOR2) Write:
See page 116.
Reset:
Unaffected by reset
= Unimplemented U = Unaffected
U
PBPU2
IRQ
0
1
0
PBPU1
PBPU0/
COPC
NCOPE
Figure 2-2. I/O Register Summary (Sheet 4 of 4)
Technical Data
40
Memory
MC68HC705C8A — Rev. 2.0
MOTOROLA