Block Diagram - Hitachi H8/329 Series Hardware Manual

9.1.2 Block Diagram

AV
CC
8 Bit
D/A
AV
SS
AN
0
AN
1
AN
2
Analog
AN
3
multi-
AN
4
plexer
AN
5
AN
6
AN
7
ADTRG
ADCR: A/D Control Register (8 bits)
ADCSR: A/D Control/Status Register (8 bits)
ADDRA: A/D Data Register A (8 bits)
ADDRB: A/D Data Register B (8 bits)
ADDRC: A/D Data Register C (8 bits)
ADDRD: A/D Data Register D (8 bits)
A
D
D
R
A
+
–
Comparator
Sample and
hold circuit
Figure 9-1. Block Diagram of A/D Converter
Module data bus
A A A A A
D D D D D
D D D C C
R R R S R
B C D R
Control circuit
Interrupt signal
210
Internal
data bus
Ø/8
Ø/16
ADI