MC68HC705P6A Datasheet, PDF (32/130 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Memory
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$0014
Input Capture Register
MSB (ICRH)
See page 73.
Read:
Write:
Reset:
ICRH7
ICRH6
ICRH5 ICRH4 ICRH3 ICRH2
Unaffected by reset
ICRH1
ICRH0
$0015
Input Capture Register
LSB (ICRL)
See page 73.
Read:
Write:
Reset:
ICRL7
ICRL6
ICRL5 ICRL4 ICRL3 ICRL2
Unaffected by reset
ICRL1
ICRL0
$0016
Output Compare
Register MSB (OCRH)
See page 74.
Read:
Write:
Reset:
OCRH7
OCRH6
OCRH5
OCRH4 OCRH3
Unaffected by reset
OCRH2
OCRH1
OCRH0
$0017
Output Compare
Register LSB (OCRL)
See page 74.
Read:
Write:
Reset:
OCRL7
OCRL6
OCRL5
OCRL4 OCRL3
Unaffected by reset
OCRL2
OCRL1
OCRL0
$0018
Timer Register MSB
(TRH)
See page 71.
Read:
Write:
Reset:
TRH7
1
TRH6
1
TRH5
1
TRH4
1
TRH3
1
TRH2
1
TRH1
1
TRH0
1
$0019
Timer Register LSB
(TRL)
See page 71.
Read:
Write:
Reset:
TRL7
1
TRL6
1
TRL5
1
TRL4
1
TRL3
1
TRL2
1
TRL1
0
TRL0
0
$001A
Alternate Timer
Register MSB (ATRH)
See page 72.
Read:
Write:
Reset:
ACRH7
1
ACRH6
1
ACRH5
1
ACRH4
1
ACRH3
1
ACRH2
1
ACRH1
1
ACRH0
1
$001B
Alternate Timer
Register LSB (ATRL)
See page 72.
Read:
Write:
Reset:
ACRL7
1
ACRL6
1
ACRL5
1
ACRL4
1
ACRL3
1
ACRL2
1
ACRL1
0
ACRL0
0
Read: 0
0
0
0
0
0
EPROM Programming
ELAT
EPGM
$001C
Register (EPROG) Write:
See page 85.
Reset: 0
0
0
0
0
0
0
0
= Unimplemented
R = Reserved
U = Undetermined
Figure 2-3. I/O and Control Register Summary (Sheet 3 of 4)
Advance Information
32
Memory
MC68HC705P6A — Rev. 2.0
MOTOROLA