HD64F2357VF13 Datasheet, PDF (966/1049 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

ADCSR—A/D Control/Status Register
H'FF98
A/D Converter
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
Group Channel
select select _{Single Mode Group Mode}
CH2 CH1 CH0
00
0 AN0
AN0
1 AN1
AN0, AN1
1
0 AN2
AN0 to AN2
1 AN3
AN0 to AN3
10
0 AN4
AN4
1 AN5
AN4, AN5
1
0 AN6
AN4 to AN6
1 AN7
AN4 to AN7
Group Select
0 Conversion time= 266 states (max.)
1 Conversion time= 134 states (max.)
Scan Mode
0 Single mode
1 Scan mode
A/D Start
0 A/D conversion stopped
1 • Single mode: A/D conversion is started. Cleared to 0
automatically when conversion ends
• Scan mode: A/D conversion is started. Conversion continues
sequentially on the selected channels until ADST is cleared to
0 by software, a reset, or transition to standby mode or
module stop mode
A/D Interrupt Enable
0 A/D conversion end interrupt (ADI) request disabled
A/D End Flag
1 A/D conversion end interrupt (ADI) request enabled
0 [Clearing conditions]
• When 0 is written to the ADF flag after reading ADF = 1
• When the DTC is activated by an ADI interrupt, and ADDR is read
1 [Setting conditions]
• Single mode: When A/D conversion ends
• Scan mode: When one round of conversion has been performed on all specified channels
Note: * Can only be written with 0 for flag clearing.
Rev.6.00 Oct.28.2004 page 936 of 1016
REJ09B0138-0600H