HD6432621 Hitachi, HD6432621 Datasheet - Page 626

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

16.1.2
Figure 16-1 shows a block diagram of the A/D converter.
582
AV
V
AV
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
AN12
AN13
AN14
AN15
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 16-1 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 TPU
Internal data bus
ø/2
ø/4
ø/8
ø/16
ADI
interrupt