MC68HC11P2 Datasheet, PDF (152/268 Pages) Motorola, Inc – Microcontrollers

Timing System
Freescale Semiconductor, Inc.
IC1F–IC3F — Input capture x flag
1 = Selected edge has been detected on corresponding port pin.
0 = Selected edge has not been detected on corresponding port
pin.
These flags are set each time a selected active edge is detected on
the ICx input line
8.5.9 TMSK2 — Timer interrupt mask register 2
Address bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
Timer interrupt mask 2 (TMSK2) $0024 TOI RTII PAOVI PAII 0
0 PR1 PR0 0000 0000
Use this 8-bit register to enable or inhibit timer overflow and real-time
interrupts. The timer prescaler control bits are included in this register.
NOTE: Bits in TMSK2 correspond bit for bit with flag bits in TFLG2. Ones in
TMSK2 enable the corresponding interrupt sources.
TOI — Timer overflow interrupt enable
1 = Timer overflow interrupt requested when TOF is set.
0 = TOF interrupts disabled.
RTII — Real-time interrupt enable (refer to Real-time interrupt)
PAOVI — Pulse accumulator overflow interrupt enable (refer to
Pulse accumulator status and interrupt bits)
PAII — Pulse accumulator input edge interrupt enable (refer to
Pulse accumulator status and interrupt bits)
PR[1:0] — Timer prescaler select
PR[1:0]
00
01
10
11
Prescaler
1
4
8
16
Technical Data
Timing System
For More Information On This Product,
Go to: www.freescale.com
MC68HC11P2 — Rev 1.0