HD6433694 Datasheet, PDF (284/432 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Initial
Bit Bit Name Value R/W Description
2
CH2
0
R/W Channel Select 2 to 0
1
CH1
0
R/W Select analog input channels.
0
CH0
0
R/W When SCAN = 0
When SCAN = 1
000: AN0
000: AN0
001: AN1
001: AN0 and AN1
010: AN2
010: AN0 to AN2
011: AN3
011: AN0 to AN3
100: AN4
100: AN4
101: AN5
101: AN4 and AN5
110: AN6
110: AN4 to AN6
111: AN7
111: AN4 to AN7
16.3.3 A/D Control Register (ADCR)
ADCR enables A/D conversion started by an external trigger signal.
Initial
Bit Bit Name Value R/W
7
TRGE
0
R/W
6 to 1 —
0
—
All 1
—
0
R/W
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.
Rev. 4.00, 03/04, page 256 of 400