MC68HC705C9A Datasheet, PDF (32/118 Pages) Motorola, Inc – Microcontrollers

Memory
Addr.
$0019
$001A
$001B
$001C
$001D
$001E
$001F
Register Name
Bit 7
Timer Register Low Read: Bit 7
(TRL) _Write:
See page 55.
Reset: 1
Alternate Timer Register High
(ATRH)
See page 55.
Read:
Write:
Reset:
Bit 15
1
Alternate Timer Register Low ^{Read: Bit 7}
(ATRL) Write:
See page 55. _{Reset: 1}
EPROM Programming Register ^Read:
(EPR) Write:
Reset: 0
COP Reset Register ^Read:
(COPRST) C9A Only Write: Bit 7
See page 41. _{Reset: 0}
COP Control Register ^{Read: 0}
(COPCR) C9A Only Write:
See page 42. _{Reset: 0}
Reserved
R
6
Bit 6
1
Bit 14
1
Bit 6
1
0
Bit 6
0
0
0
R
5
Bit 5
1
Bit 13
1
Bit 5
1
0
Bit 5
0
0
0
R
4
Bit 4
1
Bit 12
1
Bit 4
1
0
Bit 4
0
COPF
U
R
3
2
1
Bit 0
Bit 3
Bit 2
Bit 1
Bit 0
1
Bit 11
1
0
0
Bit 10
Bit 9
Bit 8
1
1
1
1
Bit 3
Bit 2
Bit 1
Bit 0
1
1
0
0
LATCH
EPGM
0
0
0
0
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
CME
COPE CM1 CM0
0
0
0
0
R
R
R
R
= Unimplemented
R
= Reserved
Figure 2-4. Input/Output Registers (Sheet 3 of 3)
U = Unaffected
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
32
Freescale Semiconductor