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Section 16 D/A Converter
16.1.2
Block Diagram
Figure 16.1 shows a block diagram of the D/A converter.
V
REF
AV
CC
DA
0
DA
1
AV
SS
Legend
DACR:
DADR0:
DADR1:
DASTCR:
16.1.3
Input/Output Pins
Table 16.1 summarizes the D/A converter's input and output pins.
Table 16.1 D/A Converter Pins
Pin Name
Analog power supply pin
Analog ground pin
Analog output pin 0
Analog output pin 1
Reference voltage input pin V
Rev. 4.00 Jan 26, 2006 page 594 of 938
REJ09B0276-0400
8-bit D/A
D/A control register
D/A data register 0
D/A data register 1
D/A standby control register
Figure 16.1 D/A Converter Block Diagram
Abbreviation I/O
AV
CC
AV
SS
DA
0
DA
1
REF
Module data bus
Control circuit
Function
Input
Analog power supply and reference voltage
Input
Analog ground and reference voltage
Output
Analog output, channel 0
Output
Analog output, channel 1
Input
Analog reference voltage
On-chip
data bus
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