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參數(shù)資料
| 型號(hào)： | UPD17147CT |
| 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 |
| 文件頁數(shù)： | 49/102頁 |
| 文件大?。?/td> | 408K |
| 代理商： | UPD17147CT |
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49
μ
PD17145(A1), 17147(A1), 17149(A1)
(2) Timing in single mode (compare operation)
Figure 14-4. Timing in Single Mode (Compare Operation)
After 1 has been written to ADCSTRT in the single mode (execution of the POKE instruction), a value is
stored to ADCCMP three instructions after, and the result of comparison can be read by the PEEK
instruction. Even if data is set to ADCR (execution of the PUT instruction), comparison is started in the same
manner as ADCSTRT, and the result of comparison can be read three instructions after.
The ADCCMP flag is cleared to 0 when reset is executed or when an instruction that writes data to ADCR
is executed.
Caution
Be sure to set ADCSOFT to 1 before setting a value to ADCR. When ADCSOFT = 0, no value
can be set to ADCR (the PUT ADCR, DBF instruction is invalidated).
Remark
Sampling time = 14/f
x
(1.75
μ
s, at 8 MHz)
Sampling capacitor capacitance = 100 pF (MAX.)
Sampling
Sampling
POKE
PEEK
PUT
PEEK
1
2
1
2
ADCSTRT
ADCEND
ADCCMP
ADCSTRT executed
→
Number of executed instructions (instruction cycle)
Previous data
Comparison result
Comparison result
ADCCMP read
ADCCMP read
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD17147CTA1 | SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17147CTA1 | 制造商:NEC 制造商全稱:NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17147GT | 制造商:NEC 制造商全稱:NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17147GTA1 | 制造商:NEC 制造商全稱:NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17149 | 制造商:NEC 制造商全稱:NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD17149CT | 制造商:NEC 制造商全稱:NEC 功能描述:SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS |
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