UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 169

• Manufacturer Part Number: UPD78F9222MC(T)-5A4-A
• Description: 8BIT MCU, 4K FLASH, 256B RAM, 78F9222
• Manufacturer: NEC

Specifications of UPD78F9222MC(T)-5A4-A

• Controller Family/series: UPD78
• No. Of I/o's: 17
• Ram Memory Size: 256Byte
• Cpu Speed: 10MHz
• No. Of Timers: 4
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

A/D converter
operation
is reset (0) by software.
conversion operation, the conversion operation is initialized, and if the ADCS bit is set (1), conversion starts again
from the beginning.
A/D conversion operations are performed continuously until bit 7 (ADCS) of the A/D converter mode register (ADM)
If a write operation is performed to ADM or the analog input channel specification register (ADS) during an A/D
Reset signal generation makes the A/D conversion result register (ADCR, ADCRH) undefined.
ADCRH
ADCR,
INTAD
SAR
Undefined
Sampling
Sampling time
Figure 10-10. Basic Operation of A/D Converter
CHAPTER 10 A/D CONVERTER
User’s Manual U16898EJ5V0UD
Conversion time
A/D conversion
Conversion
result
Conversion
result
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