MC68HC812A4 Datasheet, PDF (53/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

Register Block
Register Map
Addr.
$008B
$008C
$008D
$008E
$008F
$0090
$0091
$0092
$0093
$0094
$0095
Register Name
Timer Control
Register 4 (TCTL4)
See page 193.
Timer Mask Register 1
(TMSK1)
See page 194.
Timer Mask Register 2
(TMSK2)
See page 194.
Timer Flag Register 1
(TFLG1)
See page 196.
Timer Flag Register 2
(TFLG2)
See page 196.
Timer Channel 0
Register High (TC0H)
See page 197.
Timer Channel 0
Register Low (TC0L)
See page 197.
Timer Channel 1
Register High (TC1H)
See page 197.
Timer Channel 1
Register Low (TC1L)
See page 197.
Timer Channel 2
Register High (TC2H)
See page 197.
Timer Channel 2
Register Low (TC2L)
See page 197.
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Read:
Write:
Reset:
Bit 7
EDG3B
0
C7I
0
TOI
0
C7F
0
TOF
0
Bit 15
0
Bit 7
0
Bit 15
0
Bit 7
0
Bit 15
0
Bit 7
0
6
5
EDG3A EDG2B
0
0
C6I
C5I
0
0
0
PUPT
0
1
C6F
C5F
0
0
0
0
0
0
Bit 14 Bit 13
0
0
Bit 6
Bit 5
0
0
Bit 14 Bit 13
0
0
Bit 6
Bit 5
0
0
Bit 14 Bit 13
0
0
Bit 6
Bit 5
0
0
= Unimplemented
4
3
2
1
Bit 0
EDG2A EDG1B EDG1A EDG0B EDG0A
0
0
0
0
0
C4I
C3I
C2I
C1I
C0I
0
0
0
0
0
RDPT TCRE PR2
PR1
PR0
1
0
0
0
0
C4F
C3F
C2F
C1F
C0F
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit 12 Bit 11 Bit 10 Bit 9
Bit 8
0
0
0
0
0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
0
Bit 12 Bit 11 Bit 10 Bit 9
Bit 8
0
0
0
0
0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
0
Bit 12 Bit 11 Bit 10 Bit 9
Bit 8
0
0
0
0
0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
0
R = Reserved
U = Unaffected
Figure 2-1. Register Map (Sheet 10 of 15)
Advance Information
MOTOROLA
Register Block
MC68HC812A4 — Rev. 3.0
53