Z51F0410 Datasheet, PDF (130/184 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F0410
Product Specification
4.8.2 Block Diagram
fx
Ext VDD
Vss
B/G Vref
VDC
AN7
AN6
AN1
AN0
÷2
÷4
Pre
scaler
÷8
÷32
MUX
2
CKSEL[1:0]
ADCLK
12bit A/D Converter Data Register
ADCRH[7:0]
(8bit)
ADCRL[7:4]
(4bit)
[9BH]
[9CH]
12
ADST
Clear
AFLAG
MUX
Comparator
Successive
Approximation
Circuit
ADIF
ADC
Interrupt
4
ADS[3:0]
ADST
AN0
Resistor Ladder
Circuit
Figure 4.38 ADC Block Diagram
Analog
Input
0~1000pF
AN0 ~
AN7
Figure 4.39 A/D Analog Input Pin
Connecting Capacitor
Analog
Power
Input
22uF
AVDD
Figure 4.40 A/D Power(AVDD) Pin
Connecting Capacitor
PS029502-0212
PRELIMINARY
127