Datasheet

Section 17 A/D Converter
Page 1006 of 1384 R01UH0310EJ0500 Rev. 5.00
Sep 25, 2012
H8S/2426, H8S/2426R, H8S/2424 Group
17.3.5 A/D Control Register (ADCR_1) Unit 1
ADCR enables A/D conversion to be started by an external trigger input.
Bit Bit Name
Initial
Value R/W Description
7
6
0
TRGS1
TRGS0
EXTRGS
0
0
0
R/W
R/W
R/W
Timer Trigger Select 1 and 0 and Extended Trigger Select
These bits enable or disable the start of A/D conversion by a
trigger signal.
000: Disables A/D conversion start by external trigger
010: Enables A/D conversion start by external trigger from
TPU (units 0 and 1)*
1
100: Enables A/D conversion start by external trigger from
TMR
110: Enables A/D conversion start by the ADTRG1 pin
001: Setting prohibited
011: Enables simultaneous A/D conversion start in multiple
units by external trigger from TPU (units 0 and 1)
101: Enables simultaneous A/D conversion start in multiple
units by external trigger from TMR
111: Enables simultaneous A/D conversion start in multiple
units by the ADTRG0-B pin
5
4
SCANE
SCANS
0
0
R/W
R/W
Scan Mode
These bits select the A/D conversion operating mode.
0x: Single mode
10: Scan mode. A/D conversion is performed continuously for
channels 1 to 4.
11: Scan mode. A/D conversion is performed continuously for
channels 1 to 8.*
2