HD64F2149 Datasheet, PDF (665/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

20.1.3 Pin Configuration
Table 20.1 summarizes the input pins used by the A/D converter.
The AVCC and AVSS pins are the power supply pins for the analog block in the A/D converter.
Table 20.1 A/D Converter Pins
Pin Name
Analog power supply pin
Analog ground pin
Symbol
AVCC
AVSS
Reference power supply pin
Analog input pin 0
Analog input pin 1
Analog input pin 2
Analog input pin 3
Analog input pin 4
Analog input pin 5
Analog input pin 6
Analog input pin 7
A/D external trigger input pin
AVref
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
ADTRG
Expansion A/D input pins
0 to 15
CIN0 to
CIN15
I/O
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Function
Analog block power supply
Analog block ground and A/D conversion
reference voltage
A/D conversion reference voltage
Analog input channel 0
Analog input channel 1
Analog input channel 2
Analog input channel 3
Analog input channel 4
Analog input channel 5
Analog input channel 6
Analog input channel 7
External trigger input for starting A/D
conversion
Expansion A/D conversion input (digital
input pin) channels 0 to 15
631