Datasheet

Section 19 A/D Converter
Rev. 4.00 Jun 06, 2006 page 558 of 1004
REJ09B0301-0400
Bits 2 to 0—Channel Select 2 to 0 (CH2 to CH0): Together with the SCAN bit, these bits select
the analog input channel(s).
One analog input channel can be switched to digital input.
Only set the input channel while conversion is stopped.
Group
Selection Channel Selection Description
CH2 CH1 CH0 Single Mode Scan Mode
0 0 0 AN0 (Initial value) AN0
1 AN1 AN0, AN1
1 0 AN2 AN0 to AN2
1 AN3 AN0 to AN3
100AN4 AN4
1 AN5 AN4, AN5
1 0 AN6 or CIN0 to CIN7 AN4, AN5, AN6 or
CIN0 to CIN7
1 AN7 AN4, AN5, AN6 or
CIN0 to CIN7
AN7
19.2.3 A/D Control Register (ADCR)
7
TRGS1
0
R/W
6
TRGS0
0
R/W
5
—
1
—
4
—
1
—
3
—
1
—
0
—
1
—
2
—
1
—
1
—
1
—
Bit
Initial value
Read/Write
ADCR is an 8-bit readable/writable register that enables or disables external triggering of A/D
conversion operations.
ADCR is initialized to H'3F by a reset, and in standby mode, watch mode, subactive mode,
subsleep mode, and module stop mode.