HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 600

• Manufacturer Part Number: HD6432160
• Description: Hitachi 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

A block diagram of the A/D converter is shown in figure 21.1.
Rev. 2.0, 08/02, page 560 of 788
AN7/CIN8 to CIN15
AN6/CIN0 to CIN7
AV
AV
AV
AN0
AN1
AN2
AN3
AN4
AN5
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
CC
ref
SS
10-bit D/A
Figure 21.1 Block Diagram of A/D Converter
Sample-and-hold
circuit
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
Internal data bus
ø/16
ADI interrupt signal
ø/8