XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 125

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

10.7.3 Real-Time Interrupt Flag Register
10.7.4 COP Control Register
M68HC12B Family — Rev. 8.0
MOTOROLA
RTIF — Real-Time Interrupt Flag Bit
Read: Anytime
Write: Varies on a bit by bit basis
Normal Reset:
Special Reset:
RTR2
This bit is cleared automatically by a write to this register with this bit set.
Address: $0015
0
0
0
0
1
1
1
1
Address: $0016
Reset:
Read:
Write:
0 = Timeout has not yet occurred.
1 = Set when the timeout period is met
Read:
Write:
RTR1
Figure 10-7. Real-Time Interrupt Flag Register (RTIFLG)
0
0
1
1
0
0
1
1
RTIF
Bit 7
CME
0
Bit 7
0
0
Clock Generation Module (CGM)
Figure 10-8. COP Control Register (COPCTL)
RTR0
0
1
0
1
0
1
0
1
Table 10-3. Real-Time Interrupt Rates
FCME
6
0
0
6
0
0
Divide E By:
OFF
2
2
2
2
2
2
2
13
14
15
16
17
18
19
FCM
5
0
0
5
0
0
FCOP
4
0
0
Timeout Period
4
0
0
E = 4.0 MHz
16.384 ms
32.768 ms
65.536 ms
131.72 ms
2.048 ms
4.096 ms
8.196 ms
OFF
DISR
3
0
0
3
0
1
Clock Generation Module (CGM)
2
0
0
CR2
2
0
0
Timeout Period
E = 8.0 MHz
16.384 ms
32.768 ms
65.536 ms
1.024 ms
2.048 ms
4.096 ms
8.196 ms
1
0
0
CR1
Clock Registers
1
0
0
OFF
Data Sheet
Bit 0
0
0
Bit 0
CR0
1
1
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