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ST6255C 数据表(PDF) 68 Page - STMicroelectronics

部件名 ST6255C
功能描述  8-bit MCUs with ADC, safe reset, auto-reload timer, EEPROM and SPI
PDF  84 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST6255C 数据表(HTML) 68 Page - STMicroelectronics

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ST6255C ST6265C ST6265B
1. Period for which VDD has to be connected at 0V to allow internal Reset function at next power-up.
2 An oscillator frequency above 1MHz is recommended for reliable A/D results.
3. Measure performed with OSCin pin soldered on PCB, with an around 2pF equivalent capacitance.
6.5 A/D CONVERTER CHARACTERISTICS
(TA = -40 to +125°C unless otherwise specified)
Notes:
1.
Noise at VDD, VSS <10mV
2.
With oscillator frequencies less than 1MHz, the A/D Converter accuracy is decreased.
6.6 TIMER CHARACTERISTICS
(TA = -40 to +125°C unless otherwise specified)
6.7 SPI CHARACTERISTICS
(TA = -40 to +125°C unless otherwise specified)
6.8 ARTIMER ELECTRICAL CHARACTERISTICS
(TA = -40 to +125°C unless otherwise specified)
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
Res
Resolution
8
Bit
ATOT
Total Accuracy (1) (2)
fOSC > 1.2MHz
fOSC > 32kHz
±2
±4
LSB
tC
Conversion Time
fOSC = 8MHz (TA < 85°C)
fOSC = 4 MHz
70
140
μs
ZIR
Zero Input Reading
Conversion result when
VIN = VSS
00
Hex
FSR
Full Scale Reading
Conversion result when
VIN = VDD
FF
Hex
ADI
Analog Input Current During
Conversion
VDD= 4.5V
1.0
μA
ACIN
Analog Input Capacitance
2
5
pF
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
fIN
Input Frequency on TIMER Pin
MHz
tW
Pulse Width at TIMER Pin
VDD = 3.0V
VDD >4.5V
1
125
μs
ns
fINT
4
----------
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
FCL
Clock Frequency
Applied on Scl
500
kHz
tSU
Set-up Time
Applied on Sin
250
ns
th
Hold Time
Applied onSin
50
ns
Symbol
Parameter
Test Conditions
Value
Unit
Min
Typ
Max



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