HD6473887 Datasheet, PDF (354/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

Bit 7: A/D start flag (ADSF)
Bit 7 controls and indicates the start and end of A/D conversion.
Bit 7
ADSF
0
1
Description
Read: Indicates the completion of A/D conversion
Write: Stops A/D conversion
Read: Indicates A/D conversion in progress
Write: Starts A/D conversion
(initial value)
Bits 6 to 0: Reserved bits
Bits 6 to 0 are reserved; they are always read as 1, and cannot be modified.
12.2.4 Clock Stop Register 1 (CKSTPR1)
Bit
7
6
5
4
3
2
1
0
S1CKSTP S31CKSTP S32CKSTP ADCKSTP TGCKSTP TFCKSTP TCCKSTP TACKSTP
Initial value
1
1
1
1
1
1
1
1
Read/Write R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
CKSTPR1 is an 8-bit read/write register that performs module standby mode control for peripheral
modules. Only the bit relating to the A/D converter is described here. For details of the other bits,
see the sections on the relevant modules.
Bit 4: A/D converter module standby mode control (ADCKSTP)
Bit 4 controls setting and clearing of module standby mode for the A/D converter.
ADCKSTP
0
1
Description
A/D converter is set to module standby mode
A/D converter module standby mode is cleared
(initial value)
337