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STM8AF51XX Datasheet(PDF) 82 Page - STMicroelectronics

Part # STM8AF51XX
Description  Automotive 8-bit MCU, with up to 128 Kbytes Flash, EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C, 3 V to 5.5 V
PDF  100 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8AF51XX Datasheet(HTML) 82 Page - STMicroelectronics

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Electrical characteristics
STM8AF61xx, STM8AF51xx
82/100
11.3.9
I2C interface characteristics
Table 34.
I2C characteristics
Symbol
Parameter
Standard mode I2C Fast mode I2C(1)
1.
fMASTER, must be at least 8 MHz to achieve max fast I
2C speed (400 kHz)
Unit
Min(2)
2.
Data based on standard I2C protocol requirement, not tested in production
Max(2)
Min(2)
Max(2)
tw(SCLL)
SCL clock low time
4.7
1.3
µs
tw(SCLH)
SCL clock high time
4.0
0.6
tsu(SDA)
SDA setup time
250
100
ns
th(SDA)
SDA data hold time
0(3)
3.
The maximum hold time of the start condition has only to be met if the interface does not stretch the low
time
0(4)
4.
The device must internally provide a hold time of at least 300 ns for the SDA signal in order to bridge the
undefined region of the falling edge of SCL
900(3)
tr(SDA)
tr(SCL)
SDA and SCL rise time
(VDD 3 ... 5.5 V)
1000
300
tf(SDA)
tf(SCL)
SDA and SCL fall time
(VDD 3 ... 5.5 V)
300
300
th(STA)
START condition hold time
4.0
0.6
µs
tsu(STA)
Repeated START condition setup time
4.7
0.6
tsu(STO)
STOP condition setup time
4.0
0.6
µs
tw(STO:STA)
STOP to START condition time
(bus free)
4.7
1.3
µs
Cb
Capacitive load for each bus line
400
400
pF



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