HD6432633 Datasheet, PDF (914/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

19.1.2 Block Diagram
Figure 19-1 shows a block diagram of the A/D converter.
Module data bus
Internal data bus
AVCC
Vref
AVSS
10-bit D/A
A AAA
D DDD
D DDD
R RRR
A B CD
AA
DD
CC
SR
R
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
AN12
AN13
AN14
AN15
+
–
Comparator
Sample-and-
hold circuit
ADTRG
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
Note: * This function is not available in the H8S/2695.
Control circuit
ø/2
ø/4
ø/8
ø/16
ADI
interrupt
Conversion start
trigger from 8-bit
timer* or TPU
Figure 19-1 Block Diagram of A/D Converter
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