mc68hc912dg128 Freescale Semiconductor, Inc, mc68hc912dg128 Datasheet - Page 223

• Manufacturer Part Number: mc68hc912dg128
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

TCTL3 — Timer Control Register 3
TCTL4 — Timer Control Register 4
TMSK1 — Timer Interrupt Mask 1
MC68HC912DG128 — Rev 3.0
MOTOROLA
RESET:
RESET:
RESET:
EDG7B
EDG3B
Bit 7
Bit 7
Bit 7
C7I
0
0
0
EDG7A
EDG3A
C6I
6
0
6
0
6
0
Read or write anytime.
EDGnB, EDGnA — Input Capture Edge Control
Read or write anytime.
Freescale Semiconductor, Inc.
These eight pairs of control bits configure the input capture edge
detector circuits.
For More Information On This Product,
EDG6B
EDG2B
C5I
EDGnB
5
0
5
0
5
0
Table 13-2Edge Detector Circuit Configuration
0
0
1
1
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Enhanced Capture Timer
EDG6A
EDG2A
C4I
4
0
EDGnA
4
0
4
0
0
1
0
1
EDG5B
EDG1B
Capture disabled
Capture on rising edges only
Capture on falling edges only
Capture on any edge (rising or falling)
C3I
3
0
3
0
3
0
EDG5A
EDG1A
C2I
2
0
2
0
2
0
Configuration
EDG4B
EDG0B
C1I
1
0
1
0
1
0
Enhanced Capture Timer
EDG4A
EDG0A
Bit 0
Bit 0
Bit 0
C0I
0
0
0
Timer Registers
Technical Data
$008A
$008B
$008C
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