HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 738

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 16 A/D Converter (8 Analog Input Channel Version)
Group
Selection
CH2
0
1
16.2.3
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 or module stop mode.
Bits 7 and 6—Timer Trigger Select 1 and 0 (TRGS1, TRGS0): These bits select enabling or
disabling of the start of A/D conversion by a trigger signal. Only set bits TRGS1 and TRGS0
while conversion is stopped (ADST = 0).
Bit 7
TRGS1
0
1
Rev.6.00 Sep. 27, 2007 Page 708 of 1268
REJ09B0220-0600
Bit
Initial value :
R/W
A/D Control Register (ADCR)
Bit 6
TRGS0
0
1
0
1
:
:
CH1
0
1
0
1
TRGS1
Channel Selection
R/W
7
0
Description
A/D conversion start by external trigger is disabled
A/D conversion start by external trigger (TPU) is enabled
A/D conversion start by external trigger (8-bit timer) is enabled
A/D conversion start by external trigger pin (ADTRG) is enabled
TRGS0
R/W
CH0
0
1
0
1
0
1
0
1
6
0
—
—
5
1
AN0 (Initial value)
AN1
AN2
AN3
AN4
AN5
AN6
AN7
Single Mode (SCAN = 0) Scan Mode (SCAN = 1)
—
—
4
1
CKS1
R/W
3
1
Description
CH3
R/W
AN0
AN0, AN1
AN0 to AN2
AN0 to AN3
AN4
AN4, AN5
AN4 to AN6
AN4 to AN7
2
1
—
—
1
1
(Initial value)
—
—
0
1