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參數(shù)資料
| 型號(hào)： | UPD17147CTA1 |
| 廠商： | NEC Corp. |
| 英文描述： | SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| 中文描述： | 小，通用4位單晶片微控制器 |
| 文件頁(yè)數(shù)： | 35/102頁(yè) |
| 文件大?。?/td> | 408K |
| 代理商： | UPD17147CTA1 |
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35
μ
PD17145(A1), 17147(A1), 17149(A1)
12. 8-BIT TIMERS/COUNTERS (TM0, TM1)
The
μ
PD17149(A1) is provided with two 8-bit timers/counters: timer 0 (TM0) and timer 1 (TM1).
By using the count-up signal of timer 0 as the count pulse to timer 1, the two 8-bit timers can be used as a
16-bit timer.
Each timer is controlled through hardware manipulation by using the PUT or GET instruction or manipulation
of the registers on the register file by using the PEEK or POKE instruction.
12.1 Configuration of 8-Bit Timers/Counters
Figure 12-1 shows the configuration of the 8-bit timers/counters. An 8-bit timer/counter consists of an 8-bit
count register, an 8-bit modulo register, a comparator that compares the value of the count register with that
of the modulo register, and a selector that selects the count pulse.
Cautions 1.
The modulo register is a write register.
The count register is a read register.
2.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD17149 | SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17149CT | SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17147GT | SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17147GTA1 | SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17149GTA1 | SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17147GT | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17147GTA1 | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17149 | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17149CT | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17149CTA1 | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
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