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參數(shù)資料
| 型號： | MB90523APFV |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
| 封裝： | PLASTIC, QFP-120 |
| 文件頁數(shù)： | 44/99頁 |
| 文件大?。?/td> | 978K |
| 代理商： | MB90523APFV |
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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 (EI
2
OS) is supported.
The MB90520A/520B series contains two 16-bit reload timer channels.
16
-
bit reload timer operation modes
Count Clock
Interval times for the 16
-
bit reload timers
Count Clock
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) .
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 Period
2
1
T (0.125
μ
s)
2
3
T (0.5
μ
s)
2
5
T (2.0
μ
s)
2
3
T or longer
Example Interval Times
0.125
μ
s to 8.192 ms
0.5
μ
s to 32.768 ms
2.0
μ
s to 131.1 ms
0.5
μ
s or longer
Internal clock
Event clock
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB90523B | 16-bit Proprietary Microcontroller |
| MB90F523B | Octal Transparent D-type Latches With 3-State Outputs 20-CFP -55 to 125 |
| MB90F523BPFF | Octal Edge-Triggered D-type Flip-Flops With 3-State Outputs 20-LCCC -55 to 125 |
| MB90F523BPFV | Octal Edge-Triggered D-type Flip-Flops With 3-State Outputs 20-CDIP -55 to 125 |
| MB90V520 | 16-bit Proprietary Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90523B | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523PFF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90540 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90540G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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