參數(shù)資料
型號(hào): MC68L11F1PU3
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: Technical Summary 8-Bit Microcontroller
中文描述: 8-BIT, EEPROM, MICROCONTROLLER, PQFP80
封裝: TQFP-80
文件頁(yè)數(shù): 63/68頁(yè)
文件大?。?/td> 486K
代理商: MC68L11F1PU3
MC68HC11F1/FC0
MC68HC11FTS/D
MOTOROLA
63
RTIF — Real-Time Interrupt Flag
Set periodically at a rate based on bits RTR[1:0] in the PACTL register.
Bits [5:4] — See
13.2 Pulse Accumulator Registers
, page 65.
Bits [3:0] — Not implemented. Reads always return zero and writes have no effect.
Bit 7 — Not implemented. Reads always return zero and writes have no effect.
Bits [6:4] — See
13.2 Pulse Accumulator Registers
, page 65.
Bit 3 — Not implemented. Reads always return zero and writes have no effect.
I4/O5 — Configure TI4/O5 Register for IC or OC
0 = OC5 function enabled
1 = IC4 function enabled
RTR[1:0] — RTI Interrupt Rate Selects
These two bits select one of four rates for the real-time interrupt circuit, as shown in
Table 32
.
PACTL
Pulse Accumulator Control
$x026
Bit 7
6
5
4
3
2
1
Bit 0
0
PAEN
PAMOD
PEDGE
0
I4/O5
RTR1
RTR0
RESET:
0
0
0
0
0
0
0
0
Table 32 Real-Time Interrupt Periods
E-Clock
Frequency
1 MHz
2 MHz
3 MHz
4 MHz
5 MHz
6 MHz
RTR [1:0] = %00
RTR [1:0] = 01
RTR [1:0] = 10
RTR [1:0] = 11
8.192 ms
4.906 ms
2.731 ms
2.048 ms
1.638 ms
1.366 ms
16.384 ms
8.192 ms
5.461 ms
4.096 ms
3.277 ms
2.731 ms
32.768 ms
16.384 ms
10.923 ms
8.192 ms
6.554 ms
5.461 ms
65.536 ms
32.768 ms
21.845 ms
16.384 ms
13.107 ms
10.923 ms
Any E
2
13
/E
2
14
/E
2
15
/E
2
16
/E
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