Abov MC96F8204 Series

114
MC96F8204
ABOV Semiconductor Co., Ltd.
11.7.3 Block Diagram
Clock
Selector
ADCDRH (R), ADCDRL (R)
-
+
Control
Logic
Comparator
ADSEL[3:0]
(Select one input pin
of the assigned pins)
ADCLK
Input Pins
M
U
X
AN0
Reference
Voltage
AVREF
VSS
AN1
AN2
AN7
VDD19
ADCIFR
AFLAG
INT_ACK
Clear
Clear
To interrupt
block
MUX
VDD
Start
M
U
X
REFSEL
TRIG
ADST
T1 A match signal
Figure 11.20 12-bit ADC Block Diagram
AN0~
AN7
Analog
Input
0~1000pF
0~100 Ω
Figure 11.21 A/D Analog Input Pin with Capacitor
AVREF
Analog
Power
Input
22uF
Figure 11.22 A/D Power (AVREF) Pin with Capacitor