15.1.2 Block Diagram
Figure 15-1 shows a block diagram of A/D converter.
AV
CC
10-Bit D/A
AV
SS
AN
0
AN
1
AN
2
AN
3
AN
4
AN
5
AN
6
AN
7
ADDRA:
A/D Data Register A
ADDRB:
A/D Data Register B
ADDRC:
A/D Data Register C
ADDRD:
A/D Data Register D
ADCSR:
A/D Control/Status Register
Downloaded from
Elcodis.com
electronic components distributor
+
–
Sample & hold
circuit
Figure 15-1 Block Diagram of A/D Converter
Module data bus
Control circuit
274
Internal
data bus
ø/8
ø/16
ADI
Interrupt signal