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参数资料
| 型号： | MB90522APFF |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
| 封装： | PLASTIC, LQFP-120 |
| 文件页数： | 39/99页 |
| 文件大小： | 978K |
| 代理商： | MB90522APFF |
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MB90520A/520B Series
44
5.
16-bit Reload Timers 0 and 1 (With Event Count Function)
The 16-bit reload timers have the following functions.
The count clock can be selected from three internal clock and the external event clock.
Either software trigger or external trigger can be selected as the start signals for 16-bit reload timers 0 and 1.
An interrupt to the CPU can be generated when an underflow occurs on 16-bit reload timer 0 and 1. This
interrupt allows the timers to be used as interval timers.
Two different operation modes can be selected when an underflow occurs on 16-bit reload timer 0 and 1 : one-
shot mode in which timer operation halts when an underflow occurs or reload mode in which the reload register
value is loaded into the timer and counting continues.
Extended intelligent I/O service (EI2OS) is supported.
The MB90520A/520B series contains two 16-bit reload timer channels.
16-bit reload timer operation modes
Interval times for the 16-bit reload timers
Note : The values enclosed in ( ) and the example interval times are for a machine clock frequency of 16 MHz.
“T” is the machine cycle and is 1/ (machine clock frequency) .
Count Clock
Start Trigger
Operation when an Underflow Occurs
Internal clock
(3 clocks available)
Software trigger
One-shot mode
Reload mode
External trigger
One-shot mode
Reload mode
Event clock
Software trigger
One-shot mode
Reload mode
External trigger
One-shot mode
Reload mode
Count Clock
Count Clock Period
Example Interval Times
Internal clock
21T (0.125
s)
0.125
s to 8.192 ms
23T (0.5
s)
0.5
s to 32.768 ms
25T (2.0
s)
2.0
s to 131.1 ms
Event clock
23T or longer
0.5
s or longer
相关PDF资料 |
PDF描述 |
|---|---|
| MB90523APFF | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
| MB90522BPFV | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
| MB90522APFV | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
| MB90523APFV | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
| MB90522BPFF | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MB90522APFV | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90522B | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90522BPFF | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90522BPFV | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90522BPMC1 | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
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