MC68HC705C8A Datasheet, PDF (92/222 Pages) Motorola, Inc – HCMOS Microcontroller Unit

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
92
Capture/Compare Timer
MC68HC705C8A — Rev. 2.0
MOTOROLA