PD178002_15 Datasheet, PDF (20/50 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLERS

µPD178002, 178003
5.5 A/D Converter
An A/D converter consisting of three 8-bit resolution channels is incorporated.
The following two A/D conversion operation start-up methods are available.
• Hardware start
• Software start
ANI0/P10
ANI1/P11
ANI2/P12
Figure 5-5. A/D Converter Block Diagram
Sample & hold circuit
Selector
Voltage comparator
Resistor string
Tap
selector
Successive approximation
register (SAR)
Control
circuit
A/D conversion
result register (ADCR)
Internal bus
VDD
GND
INTAD
18
Data Sheet U12628EJ3V0DS00