HD6473032F Datasheet, PDF (387/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

12.1.2 Block Diagram
Figure 12-1 shows a block diagram of the A/D converter.
Module data bus
On-chip
data bus
AV_CC
V _REF
AV _SS
10-bit D/A
AN ₀
+
AN ₁
–
AN ₂
AN ₃
Analog
multi-
Comparator
AN ₄
plexer _Sample-and-
AN ₅
hold circuit
AN ₆
AN ₇
Control circuit
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
Figure 12-1 A/D Converter Block Diagram
372
ø/8
ø/16
ADI