Hitachi H8/500 Series - Block Diagram; Block Diagram of AD Converter

15.1.2 Block Diagram
Figure 15-1 shows a block diagram of A/D converter.
AVCC
AVSS
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
Analog multiplexer
Sample & hold
circuit
+
–
10-Bit D/A
Module data bus
Internal
data bus
Control circuit
ø/8
ø/16
ADI
Interrupt signal
ADDRA:
ADDRB:
ADDRC:
ADDRD:
ADCSR:
A/D Data Register A
A/D Data Register B
A/D Data Register C
A/D Data Register D
A/D Control/Status Register
Successive approximations register
ADDRA ADDRB ADDRC ADDRD ADCSR
Bus interface
Figure 15-1 Block Diagram of A/D Converter
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