HD6412350 Hitachi, HD6412350 Datasheet - Page 907

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

ADCSR—A/D Control/Status Register
Bit
Initial value
Read/Write
Note: * Can only be written with 0 for flag clearing.
A/D End Flag
0
1
[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
[Setting conditions]
• Single mode: When A/D conversion ends
• Scan mode: When one round of conversion has been performed on all specified channels
:
:
:
R/(W)*
ADF
7
0
A/D Interrupt Enable
ADIE
0
1
R/W
6
0
A/D conversion end interrupt (ADI) request disabled
A/D conversion end interrupt (ADI) request enabled
A/D Start
0
1
ADST
R/W
5
0
• Single mode: A/D conversion is started. Cleared to 0
• Scan mode: A/D conversion is started. Conversion continues
A/D conversion stopped
automatically when conversion ends
sequentially on the selected channels until ADST is cleared to
0 by software, a reset, or transition to standby mode or
module stop mode
Scan Mode
0
1
SCAN
R/W
Group Select
Single mode
Scan mode
4
0
0
1
Channel Select
Group
select
Conversion time= 266 states (max.)
Conversion time= 134 states (max.)
CH2
H'FF98
0
1
CKS
R/W
3
0
CH1
0
1
0
1
Channel
select
CH0
CH2
R/W
0
1
0
1
0
1
0
1
2
0
Single Mode
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
CH1
R/W
1
0
A/D Converter
Group Mode
AN0
AN0, AN1
AN0 to AN2
AN0 to AN3
AN4
AN4, AN5
AN4 to AN6
AN4 to AN7
CH0
R/W
0
0
887