MC68HC812A4 Datasheet, PDF (181/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

Standard Timer Module
Register Map
Addr.
Register Name
$009C
Timer Channel 6
Register High (TC6H)
See page 197.
Read:
Write:
Reset:
$009D
Timer Channel 6
Register Low (TC6L)
See page 197.
Read:
Write:
Reset:
$009E
Timer Channel 7
Register High (TC7H)
See page 197.
Read:
Write:
Reset:
$009F
Timer Channel 7
Register Low (TC7L)
See page 197.
Read:
Write:
Reset:
$00A0
Pulse Accumulator
Control Register
(PACTL)
See page 198.
Read:
Write:
Reset:
Pulse Accumulator Flag
$00A1
Register (PAFLG)
See page 200.
Read:
Write:
Reset:
$00A2
Pulse Accumulator
Counter Register High
(PACNTH)
See page 201.
Read:
Write:
Reset:
$00A3
Pulse Accumulator
Counter Register Low
(PACNTL)
See page 201.
Read:
Write:
Reset:
Bit 7
Bit 15
0
Bit 7
0
Bit 15
0
Bit 7
0
0
0
0
0
Bit 15
0
Bit 7
0
6
5
4
3
14
13
12
11
0
0
0
0
6
5
4
3
0
0
0
0
14
13
12
11
0
0
0
0
6
5
4
3
0
0
0
0
PAEN PAMOD PEDGE CLK1
0
0
0
0
0
0
0
0
0
0
0
0
14
13
12
11
0
0
0
0
6
5
4
3
0
0
0
0
2
10
0
2
0
10
0
2
0
CLK0
0
0
0
10
0
2
0
Timer Test Register ^{Read: 0}
0
0
$00AD
(TIMTST) Write:
See page 202. _{Reset: 0}
0
0
= Unimplemented
0
0
0
0
0
0
R = Rserved
Figure 12-2. I/O Register Summary (Sheet 4 of 5)
1
Bit 0
9
Bit 8
0
0
1
Bit 0
0
0
9
Bit 8
0
0
1
0
0
0
PAOVI
PAI
0
0
PAOVF PAIF
0
0
9
Bit 8
0
0
1
Bit 0
0
0
TCBYP PCBYP
0
0
Advance Information
MOTOROLA
Standard Timer Module
MC68HC812A4 — Rev. 3.0
181