D12320VF25IV Datasheet, PDF (734/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 16 A/D Converter (8 Analog Input Channel Version)
16.1.2 Block Diagram
Figure 16.1 shows a block diagram of the A/D converter.
Module data bus
Internal data bus
AVCC
Vref
AVSS
10-bit D/A
converter
A AAA
D DDD
D DDD
R RRR
A B CD
AA
DD
CC
SR
R
AN0
AN1
+
AN2
−
AN3
Comparator
AN4
AN5
Sample-and-
AN6
hold circuit
AN7
ADTRG
Legend:
ADCR: A/D control register
ADCSR: A/D control/status register
ADDRA: A/D data register A
ADDRB: A/D data register B
ADDRC: A/D data register C
ADDRD: A/D data register D
Control circuit
ADI interrupt
signal
Conversion start
trigger from 8-bit
timer or TPU
Figure 16.1 Block Diagram of A/D Converter
Rev.6.00 Sep. 27, 2007 Page 702 of 1268
REJ09B0220-0600