Datasheet

Section 18 A/D Converter
Page 1062 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
18.2 Input/Output Pins
Tables 18.1 and 18.2 show the pin configuration of the A/D converter.
Table 18.1 Pin Configuration (H8S/2456 Group and H8S/2456R Group)
Unit Symbol Pin Name Symbol I/O Function
Analog input pin 0 AN0 Input
Analog input pin 1 AN1 Input
Analog input pin 2 AN2 Input
Analog input pin 3 AN3 Input
Analog input pin 4 AN4 Input
Analog input pin 5 AN5 Input
Analog input pin 6 AN6 Input
Analog input pin 7 AN7 Input
Analog inputs
A/D external trigger
input pin 0_A
ADTRG0-A
Input External trigger input pin 0_A
for starting A/D conversion*
0 AD_0
A/D external trigger
input pin 0_B
ADTRG0-B
Input External trigger input pin 0_B
for starting A/D conversion*
Analog input pin 8 AN8 Input
Analog input pin 9 AN9 Input
Analog input pin 10 AN10 Input
Analog input pin 11 AN11 Input
Analog input pin 12 AN12 Input
Analog input pin 13 AN13 Input
Analog input pin 14 AN14 Input
Analog input pin 15 AN15 Input
Analog inputs
1 AD_1
A/D external trigger
input pin 1
ADTRG1
Input External trigger input pin A for
starting A/D conversion
Analog power supply pin AV
CC
Input Analog block power supply
Analog ground pin AV
SS
Input Analog block ground
Common
Reference voltage pin Vref Input A/D conversion reference
voltage
Note: * Selectable by setting of the TRGS1, TRGS0, and EXTRGS bits in ADCR.