HD6433682 ETC, HD6433682 Datasheet - Page 352

• Manufacturer Part Number: HD6433682
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
• Manufacturer: ETC

18.3.3
ADCR enables A/D conversion started by an external trigger signal.
Rev. 3.00, 05/03, page 322 of 472
Bit
2
1
0
Bit
7
6 to 1
0
Bit Name
CH2
CH1
CH0
Bit Name
TRGE
—
—
A/D Control Register (ADCR)
Initial
Value
0
0
0
Initial
Value
0
All 1
0
R/W
R/W
R/W
R/W
R/W
R/W
—
R/W
Description
Channel Select 2 to 0
Select analog input channels.
When SCAN = 0
000: AN0
001: AN1
010: AN2
011: AN3
100: AN4
101: AN5
110: AN6
111: AN7
Description
Trigger Enable
A/D conversion is started at the falling edge and the rising
edge of the external trigger signal (ADTRG) when this bit is
set to 1.
The selection between the falling edge and rising edge of
the external trigger pin (ADTRG) conforms to the WPEG5
bit in the interrupt edge select register 2 (IEGR2)
Reserved
These bits are always read as 1.
Reserved
Do not set this bit to 1, though the bit is readable/writable.
When SCAN = 1
000: AN0
001: AN0 and AN1
010: AN0 to AN2
011: AN0 to AN3
100: AN4
101: AN4 and AN5
110: AN4 to AN6
111: AN4 to AN7