HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 661

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

22.1
This LSI incorporates a two-channel D/A converter (DAC) with the following features.
• 8-bit resolution
• Two output channels
• Conversion time: Min. 10 µs (when load capacitance is 20 pF)
• Output voltage: 0 V to AVcc (analog power supply)
Figure 22.1 shows the block diagram of the DAC.
AVcc
AVss
DA0
DA1
[Legend]
DACR:
DADR_0:
DADR_1:
AVcc:
AVss:
Features
Analog I/O
buffer
D/A control register
D/A data register 0
D/A data register 1
Analog power supply
Analog ground
Section 22 D/A Converter (DAC)
Vccaa
Vssaa
DAO0
DAO1
Figure 22.1 Block Diagram of DAC
8-bit D/A
converter
DAC0
DAC1
DAO0:
DAO1:
Control circuit
Analog output 0
Analog output 1
DADR_0
DADR_1
DACR
D/A converter circuit
Rev. 1.00, 02/04, page 623 of 804
Peripheral
data bus
Internal peripheral
clock (Pø)