Datasheet

Section 19 A/D Converter
R01UH0166EJ0600 Rev. 6.00 Page 905 of 1434
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
19.1.3 Pin Configuration
Table 19.1 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.
The Vref pin is the A/D conversion reference voltage pin.
The 16 analog input pins are divided into two channel sets and two groups, with analog input pins
0 to 7 (AN0 to AN7) comprising channel set 0, analog input pins 8 to 15 (AN8 to AN15)
comprising channel set 1, analog input pins 0 to 3 and 8 to 11 (AN0 to AN3, AN8 to AN11)
comprising group 0, and analog input pins 4 to 7 and 12 to 15 (AN4 to AN7, AN12 to AN15)
comprising group 1.
Table 19.1 A/D Converter Pins
Pin Name Symbol I/O Function
Analog power supply pin AVCC Input Analog block power supply
Analog ground pin AVSS Input Analog block ground and reference voltage
Reference voltage pin Vref Input A/D conversion reference voltage
Analog input pin 0 AN0 Input Channel set 0 (CH3 = 0) group 0 analog inputs
Analog input pin 1 AN1 Input
Analog input pin 2 AN2 Input
Analog input pin 3 AN3 Input
Analog input pin 4 AN4 Input Channel set 0 (CH3 = 0) group 1 analog inputs
Analog input pin 5 AN5 Input
Analog input pin 6 AN6 Input
Analog input pin 7 AN7 Input
Analog input pin 8 AN8 Input Channel set 1 (CH3 = 1) group 0 analog inputs
Analog input pin 9 AN9 Input
Analog input pin 10 AN10 Input
Analog input pin 11 AN11 Input
Analog input pin 12 AN12 Input Channel set 1 (CH3 = 1) group 1 analog inputs
Analog input pin 13 AN13 Input
Analog input pin 14 AN14 Input
Analog input pin 15 AN15 Input
A/D external trigger input
pin
ADTRG Input External trigger input for starting A/D
conversion