h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 612

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 A/D Converter
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
CH2
0
1
19.2.3
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.
Rev. 4.00 Jun 06, 2006 page 558 of 1004
REJ09B0301-0400
Bit
Initial value
Read/Write
A/D Control Register (ADCR)
0
1
0
1
CH1
TRGS1
R/W
Channel Selection
7
0
TRGS0
R/W
CH0
0
1
0
1
0
1
0
1
6
0
—
—
5
1
Single Mode
AN0
AN1
AN2
AN3
AN4
AN5
AN6 or CIN0 to CIN7
AN7
—
—
4
1
(Initial value)
—
—
3
1
Description
—
—
2
1
Scan Mode
AN0
AN0, AN1
AN0 to AN2
AN0 to AN3
AN4
AN4, AN5
AN4, AN5, AN6 or
CIN0 to CIN7
AN4, AN5, AN6 or
CIN0 to CIN7
AN7
—
—
1
1
—
—
0
1