HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 662

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

22.2
Table 22.1 summarizes the input/output pins used by the DAC.
Table 22.1 Pin Configuration
22.3
The DAC has the following registers. Refer to section 27, List of Registers, for more details of the
addresses of these registers and the state of these registers in each processor mode.
• D/A data register 0 (DADR_0)
• D/A data register 1 (DADR_1)
• D/A control register (DACR)
22.3.1
DADR_0 and DADR_1 are 8-bit readable/writable registers that store data for D/A conversion.
When the D/A output enable bits (DAOE1, DAOE0) of the DA control register (DACR) are set to
1, the contents of the D/A data register (DADR_0, DADR_1) are converted and output to analog
output pins (DA0, DA1). The D/A data register (DADR_0, DADR_1) is initialized to H'00 at a
reset. Note that DADR_0 and DADR_1 are not initialized in software standby or module standby.
Rev. 1.00, 02/04, page 624 of 804
Pin Name
Avcc
Avss
DA0
DA1
Bit
7 to 0
Input/Output Pins
Register Descriptions
D/A Data Registers 0 and 1 (DADR_0, DADR_1)
Bit Name

I/O
—
—
Output
Output
Initial Value
H'00
Function
Analog block power supply and D/A conversion reference voltage
Analog block ground
Channel 0 analog output
Channel 1 analog output
R/W
R/W
Description
8-bit registers that store data for D/A conversion.