HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 517

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

14.1.2
Figure 14.1 shows a block diagram of the A/D converter.
504
AV
V
AV
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
ADTRG
ADCR
ADCSR
ADDRA
ADDRB
ADDRC
ADDRD
ref
CC
SS
: A/D control register
: A/D control/status register
: A/D data register A
: A/D data register B
: A/D data register C
: A/D data register D
Block Diagram
10-bit D/A
Sample-and-
hold circuit
Figure 14.1 Block Diagram of A/D Converter
Comparator
+
–
A
D
D
R
A
Module data bus
A
D
D
R
B
A
D
D
R
C
Control circuit
A
D
D
R
D
A
D
C
S
R
A
D
C
R
Conversion start
trigger from 8-bit
timer or TPU
Internal data bus
ADI
interrupt