UPD78F9222CS-CAC-A Renesas Electronics America, UPD78F9222CS-CAC-A Datasheet - Page 174

• Manufacturer Part Number: UPD78F9222CS-CAC-A
• Description: MCU 8BIT 4KB FLASH 20PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9222CS-CAC-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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.
172
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 U16898EJ6V0UD
Conversion time
A/D conversion
Conversion
result
Conversion
result