HD6433308 Datasheet, PDF (220/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

10.1.2 Block Diagram
Module data bus
Internal
data bus
AV_CC
AV_SS
8 Bit
D/A
A AA A A A
D DD D D D
D DD D C C
R RR R S R
A BC D R
AN0
AN1
AN2
AN3
Analog
AN4
multi-
plexer
AN5
+
–
Comparator
AN6
Sample and
AN7
hold circuit
Control circuit
Ø/8
Ø/16
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)
ADI
Interrupt signal
Figure 10-1. Block Diagram of A/D Converter
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