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MC68HC705C8A_13 Datasheet, PDF (94/222 Pages) Freescale Semiconductor, Inc – Technical Data | |||
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Freescale Semiconductor, Inc.
Capture/Compare Timer
8.4 Timer I/O Registers
These registers control and monitor the timer operation:
⢠Timer control register (TCR)
⢠Timer status register (TSR)
⢠Timer registers (TRH and TRL)
⢠Alternate timer registers (ATRH and ATRL)
⢠Input capture registers (ICRH and ICRL)
⢠Output compare registers (OCRH and OCRL)
8.4.1 Timer Control Register
The timer control register (TCR) as shown in Figure 8-5 performs these
functions:
⢠Enables input capture interrupts
⢠Enables output compare interrupts
⢠Enables timer overflow interrupts
⢠Controls the active edge polarity of the TCAP signal
⢠Controls the active level of the TCMP output
Address: $0012
Bit 7
6
5
4
3
2
1
Bit 0
Read:
ICIE
OCIE TOIE
0
0
0
IEDG OLVL
Write:
Reset: 0
0
0
0
0
0
U
0
U = Unaffected
Figure 8-5. Timer Control Register (TCR)
Technical Data
94
Capture/Compare Timer
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Go to: www.freescale.com
MC68HC705C8A â Rev. 3
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