XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 181

• Manufacturer Part Number: XC912BC32CFU8
• Description: M68HC12B Family Data Sheet
• Manufacturer: Motorola Semiconductor Products

M68HC12B Family — Rev. 8.0
MOTOROLA
Read: Anytime
Write: Anytime
EDGnB and EDGnA — Input Capture Edge Control Bits
These eight pairs of control bits configure the input capture edge detector
circuits. See
Address: $008A
Address: $008B
Reset:
Reset:
Read:
Read:
Write:
Write:
EDG7B
EDG3B
Bit 7
Bit 7
Enhanced Capture Timer (ECT) Module
EDGnB
0
0
Table 13-2. Edge Detector Circuit Configuration
Figure 13-14. Timer Control Register 3 (TCTL3)
Figure 13-15. Timer Control Register 4 (TCTL4)
Table
0
0
1
1
EDG7A
EDG3A
13-2.
6
0
6
0
EDGnA
0
1
0
1
EDG6B
EDG2B
5
0
5
0
Capture disabled
Capture on rising edges only
Capture on falling edges only
Capture on any edge (rising or falling)
EDG6A
EDG2A
4
0
4
0
Enhanced Capture Timer (ECT) Module
Configuration
EDG5B
EDG1B
3
0
3
0
EDG5A
EDG1A
2
0
2
0
EDG4B
EDG0B
Timer Registers
1
0
1
0
Data Sheet
EDG4A
EDG0A
Bit 0
Bit 0
0
0
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