Block Diagram - Renesas F-ZTAT H8 Series Hardware Manual

Section 15 A/D Converter
15.1.2

Block Diagram

Figure 15.1 shows a block diagram of the A/D converter.
AV
CC
10-bit D/A
V
REF
AV
SS
AN
0
AN
1
AN
2
Analog
AN
3
multi-
AN
plexer
4
AN
5
AN
6
AN
7
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
Rev. 7.00 Sep 21, 2005 page 536 of 878
REJ09B0259-0700
+
–
Comparator
Sample-and-
hold circuit
Figure 15.1 A/D Converter Block Diagram
Module data bus
Control circuit
Internal
data bus
φ/8
φ/16
ADI