Datasheet

Rev.6.00 Oct.28.2004 page 541 of 1016
REJ09B0138-0600H
Table 16-1 A/D Converter Pins
Pin Name Symbol I/O Function
Analog power supply pin AV
CC
Input Analog block power supply
Analog ground pin AV
SS
Input Analog block ground and A/D conversion
reference voltage
Reference voltage pin V
ref
Input A/D conversion reference voltage
Analog input pin 0 AN0 Input 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 Group 1 analog inputs
Analog input pin 5 AN5 Input
Analog input pin 6 AN6 Input
Analog input pin 7 AN7 Input
A/D external trigger input pin ADTRG Input External trigger input for starting A/D
conversion
16.1.4 Register Configuration
Table 16-2 summarizes the registers of the A/D converter.
Table 16-2 A/D Converter Registers
Name Abbreviation R/W Initial Value Address*
1
A/D data register AH ADDRAH R H'00 H'FF90
A/D data register AL ADDRAL R H'00 H'FF91
A/D data register BH ADDRBH R H'00 H'FF92
A/D data register BL ADDRBL R H'00 H'FF93
A/D data register CH ADDRCH R H'00 H'FF94
A/D data register CL ADDRCL R H'00 H'FF95
A/D data register DH ADDRDH R H'00 H'FF96
A/D data register DL ADDRDL R H'00 H'FF97
A/D control/status register ADCSR R/(W)*
2
H'00 H'FF98
A/D control register ADCR R/W H'3F H'FF99
Module stop control register MSTPCR R/W H'3FFF H'FF3C
Notes: 1. Lower 16 bits of the address.
2. Bit 7 can only be written with 0 for flag clearing.