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参数资料
| 型号： | MC68HC11C0FN3 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 3 MHz, MICROCONTROLLER, PQCC68 |
| 封装： | PLASTIC, LCC-68 |
| 文件页数： | 36/76页 |
| 文件大小： | 394K |
| 代理商： | MC68HC11C0FN3 |
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MOTOROLA
MC68HC11C0
41
MC68HC11C0TS/D
7 Main Timer
The design of the main timer is based on a free-running 16-bit counter with a four-stage programmable
prescaler. A timer overflow function allows software to extend the system's timing capability beyond the
counter's 16-bit range.
The timer has three input capture channels, four output compare channels, and one channel that can
be configured as a fourth input capture or a fifth output compare.
Refer to the following table for a summary of the crystal-related frequencies and periods.
Table 8 Timer Summary
Control
Bits
XTAL Frequencies
4.0 MHz
8.0 MHz
12.0 MHz
Other Rates
1.0 MHz
2.0 MHz
3.0 MHz
(E)
1000 ns
500 ns
333 ns
(1/E)
PR[1:0]
Main Timer Count Rates
0 0
1 count —
overflow —
1000 ns
65.536 ms
500 ns
32.768 ms
333 ns
21.845 ms
(1/E)
(216/E)
0 1
1 count —
overflow —
4.0
s
262.14 ms
2.0
s
131.07 ms
1.333
s
87.381 ms
(4/E)
(218/E)
1 0
1 count —
overflow —
8.0
s
524.28 ms
4.0
s
262.14 ms
2.667
s
174.76 ms
(8/E)
(219/E)
1 1
1 count —
overflow —
16.0
s
1.049 ms
8.0
s
524.29 ms
5.333
s
349.52 ms
(16/E)
(220/E)
RTR[1:0]
Periodic (RTI) Interrupt Rates
0 0
0 1
1 0
1 1
8.192 ms
16.384 ms
32.768 ms
65.536 ms
4.096 ms
8.192 ms
16.384 ms
32.768 ms
2.731 ms
5.461 ms
10.923 ms
21.845 ms
(213/E)
(214/E)
(215/E)
(216/E)
CR[1:0]
COP Watchdog Time-out Rates
0 0
0 1
1 0
1 1
32.768 ms
131.072 ms
524.288 ms
2.098 s
16.384 ms
65.536 ms
262.14 ms
1.049 s
10.923 ms
43.691 ms
174.76 ms
699.05 ms
(215/E)
(217/E)
(219/E)
(221/E)
Time-out Tolerance
(–0 ms/+...)
32.8 ms
16.4 ms
10.9 ms
(215/E)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC68HC11C0FU3 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:8-Bit Microcontroller |
| MC68HC11C0MFN2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:8-Bit Microcontroller |
| MC68HC11C0MFU2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:8-Bit Microcontroller |
| MC68HC11C0VFN2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:8-Bit Microcontroller |
| MC68HC11C0VFU2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:8-Bit Microcontroller |
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