HD6412350 Hitachi, HD6412350 Datasheet - Page 666

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

16.2
16.2.1
DADR0 and DADR1 are 8-bit readable/writable registers that store data for conversion.
Whenever output is enabled, the values in DADR0 and DADR1 are converted and output from the
analog output pins.
DADR0 and DADR1 are each initialized to H'00 by a reset and in hardware standby mode.
16.2.2
DACR is an 8-bit readable/writable register that controls the operation of the D/A converter.
DACR is initialized to H'1F by a reset and in hardware standby mode.
Bit 7—D/A Output Enable 1 (DAOE1): Controls D/A conversion and analog output for channel
1.
Bit 7
DAOE1
0
1
646
Bit
Initial value
R/W
Bit
Initial value
R/W
Register Descriptions
D/A Data Registers 0 and 1 (DADR0, DADR1)
D/A Control Register (DACR)
Description
Analog output DA1 is disabled
Channel 1 D/A conversion is enabled; analog output DA1 is enabled
:
:
:
:
:
:
DAOE1
R/W
R/W
7
0
7
0
DAOE0
R/W
R/W
6
0
6
0
DAE
R/W
R/W
5
0
5
0
R/W
—
—
4
0
4
1
R/W
—
—
3
0
3
1
R/W
—
—
2
0
2
1
R/W
—
—
1
0
1
1
(Initial value)
R/W
—
—
0
0
0
1