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SN8F5708 Datasheet(PDF) 121 Page - SONiX Technology Company

Part # SN8F5708
Description  8051-based Microcontroller
PDF  204 Pages
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Manufacturer  SONIX [SONiX Technology Company]
Direct Link  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SN8F5708 Datasheet(HTML) 121 Page - SONiX Technology Company

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SN8F5708 Series
Copyright © 2019, SONiX Technology Co., Ltd.
ADC
Datasheet Rev. 2.4
121
19 ADC
The analog to digital converter (ADC) is SAR structure with 12-input sources and up to 4096-step
resolution to transfer analog signal into 12-bits digital buffers. The ADC builds in 12-channel input
source to measure 12 different analog signal sources. The ADC resolution is 12-bit. The ADC has
four clock rates to decide ADC converting rate. The ADC reference high voltage includes 5 sources.
Four internal power source including VDD, 4V, 3V and 2V. The other one is external reference
voltage input pin from AVREFH pin. The ADC reference low voltage includes 2 sources controlled by
VREFH register. One is internal VSS and the other one is external reference voltage input pin from
AVREFL. The ADC builds in P2CON/P3CON/P4CON/P5CON registers to set pure analog input pin.
After setup ADENB and ADS bits, the ADC starts to convert analog signal to digital data. Besides
ADS bit can start to convert analog signal, PW1EN/ PW2EN/ PW3EN also have convert analog
signal ADC function. ADC can work in idle mode. After ADC operating, the system would be waked
up from green mode to normal mode if interrupt enable.
AIN0
M
U
X
CHS[4:0]
GCHS
ADC High
Reference Voltage
Analog
Input
ADENB
ADS/PW1EN/PW2EN/PW3EN
ADC Clock
Counter
ADCKS[1:0]
ADB[11:0]
EOC
ADCF
12
Internal reference
External reference
EVHENB, ADCENB
VHS[2:0]
Internal Reference
Voltage Source
(2V, 3V, 4V, VDD)
(2V, 3V, 4V)
VHS[1:0]
ADC Low
Reference Voltage
AVREFL
Internal Vss
AVREFH
Trigger
source
(interrupt flag)
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
AIN8
AIN9
AIN10
AIN11
OP0 output
OP1 output
M
U
X
M
U
X
EVLENB
SAR ADC
ENGINE



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