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S3FN60D_UM_REV1.30
18 10-bit Analog-to-Digital Converter
18.3 Functional Block Diagram
SCLK
ADCCON .9-.7
(Select one input pin of the assigned pins)
U
To ADCCON.0
(EOC Flag)
ADC_ INT
interrupt
ADCCON .0
(AD/C Enable)
M
Input Pins
AIN0-AIN7
Clock prescaler
ADCCON[5:1]
1/3
Analog
Comparator
-
X
+
Successive
Approximation
Logic & Register
ADCCON.0
(AD/C Enable)
P1CONL
(Assign Pins to ADC Input)
10-bit D/A
Converter
Figure 18-1
Internal
reference
typ. 1.2V
Conversion Result
(ADDATA)
VSS
A/D Converter Functional Block Diagram
18-4
ADCON.11