3069RF-ZTAT Datasheet, PDF (568/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

15.2.2 A/D Control/Status Register (ADCSR)
Bit
Initial value
Read/Write
7
ADF
0
R/(W) *
6
ADIE
0
R/W
5
ADST
0
R/W
4
SCAN
0
R/W
3
CKS
0
R/W
2
CH2
0
R/W
1
CH1
0
R/W
0
CH0
0
R/W
Channel select 2 to 0
These bits select analog
input channels
Clock select
Selects the A/D conversion time
Scan mode
Selects single mode or scan mode
A/D start
Starts or stops A/D conversion
A/D interrupt enable
Enables and disables A/D end interrupts
A/D end flag
Indicates end of A/D conversion
Note: * Only 0 can be written, to clear the flag.
ADCSR is an 8-bit readable/writable register that selects the mode and controls the A/D converter.
ADCSR is initialized to H'00 by a reset and in standby mode.
Rev. 5.0, 09/04, page 546 of 978