參數(shù)資料
型號: MC68HC11KA4TS
廠商: Motorola, Inc.
英文描述: KPT 3C 3#16 PIN PLUG
中文描述: 8位微控制器
文件頁數(shù): 57/68頁
文件大小: 365K
代理商: MC68HC11KA4TS
MC68HC11KA4
MC68HC11KA4TS/D
MOTOROLA
57
NOTE
Control bits [7:4] in TMSK2 correspond bit for bit with flag bits [7:4] in TFLG2. Ones
in TMSK2 enable the corresponding interrupt sources.
PAOVI — Pulse Accumulator Overflow Interrupt Enable
Refer to
11 Pulse Accumulator
.
PAII — Pulse Accumulator Interrupt Enable
Refer to
11 Pulse Accumulator
.
Bits [3:2] — Not implemented
Always read zero
PR[1:0] — Timer Prescaler Select
In normal modes, PR1 and PR0 can only be written once, and the write must occur within 64 cycles
after reset. Refer to
10.1 Real-Time Interrupt
for specific timing values.
Clear flags by writing a one to the corresponding bit position(s).
TOF — Timer Overflow Flag
Set when TCNT changes from $FFFF to $0000
RTIF — Real-Time (Periodic) Interrupt Flag
Set periodically. Refer to RTR[1:0] bits in PACTL register.
PAOVF — Pulse Accumulator Overflow Flag
Refer to
11 Pulse Accumulator
.
PAIF — Pulse Accumulator Input Edge Flag
Refer to
11 Pulse Accumulator
.
Bits [3:0] — Not implemented
Always read zero
PR[1:0]
0 0
0 1
1 0
1 1
Prescaler
1
4
8
16
TFLG2
— Timer Interrupt Flag 2
$0025
Bit 7
6
5
4
3
2
1
Bit 0
TOF
RTIF
PAOVF
PAIF
RESET:
0
0
0
0
0
0
0
0
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