參數(shù)資料
型號: MC68L11FC0PU4
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, MICROCONTROLLER, PQFP80
封裝: TQFP-80
文件頁數(shù): 60/74頁
文件大小: 513K
代理商: MC68L11FC0PU4
MC68HC11F1/FC0
MOTOROLA
MC68HC11FTS/D
63
RTIF — Real-Time Interrupt Flag
Set periodically at a rate based on bits RTR[1:0] in the PACTL register.
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.
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
Table 32 Real-Time Interrupt Periods
E-Clock
Frequency
RTR [1:0] = %00
RTR [1:0] = 01
RTR [1:0] = 10
RTR [1:0] = 11
1 MHz
8.192 ms
16.384 ms
32.768 ms
65.536 ms
2 MHz
4.906 ms
8.192 ms
16.384 ms
32.768 ms
3 MHz
2.731 ms
5.461 ms
10.923 ms
21.845 ms
4 MHz
2.048 ms
4.096 ms
8.192 ms
16.384 ms
5 MHz
1.638 ms
3.277 ms
6.554 ms
13.107 ms
6 MHz
1.366 ms
2.731 ms
5.461 ms
10.923 ms
Any E
213/E
214/E
215/E
216/E
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