HD6432670 Hitachi, HD6432670 Datasheet - Page 779

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Table 17.1 Pin Configuration
17.3
The D/A converter has the following registers.
17.3.1
DADR0 to DADR3 are 8-bit readable/writable registers that store data for conversion.
Whenever output is enabled, the values in DADR are converted and output to the analog output
pins.
17.3.2
DACR01 and DACR23 control the operation of the D/A converter.
Pin Name
Analog power pin
Analog ground pin
Reference voltage pin
Analog output pin 0
Analog output pin 1
Analog output pin 2
Analog output pin 3
D/A data register 0 (DADR0)
D/A data register 1 (DADR1)
D/A data register 2 (DADR2)
D/A data register 3 (DADR3)
D/A control register 01 (DACR01)
D/A control register 23 (DACR23)
Register Descriptions
D/A Data Registers 0 to 3 (DADR0 to DADR3)
D/A Control Registers 01 and 23 (DACR01, DACR23)
Vref
Symbol
AV
AV
DA0
DA1
DA2
DA3
CC
SS
I/O
Input
Input
Input
Output
Output
Output
Output
Reference voltage of D/A converter
Function
Analog power
Analog ground
Channel 0 analog output
Channel 1 analog output
Channel 2 analog output
Channel 3 analog output
Rev. 2.0, 04/02, page 733 of 906