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STM8AF5286UDX データシート(PDF) 84 Page - STMicroelectronics

部品番号 STM8AF5286UDX
部品情報  Automotive 8-bit MCU, with up to 128 Kbyte Flash, data EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C, 3 to 5.5 V
PDF  125 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8AF5286UDX データシート(HTML) 84 Page - STMicroelectronics

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Electrical characteristics
STM8AF526x/8x/Ax STM8AF6269/8x/Ax
84/125
DocID14395 Rev 15
10.3.10
I2C interface characteristics
Table 42. I2C characteristics
Symbol
Parameter
Standard mode I2CFast mode I2C(1)
Unit
Min(2)
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)
-0(4)
900(3)
tr(SDA)
tr(SCL)
SDA and SCL rise time
(VDD 3 V to 5.5 V)
-
1000
-
300
tf(SDA)
tf(SCL)
SDA and SCL fall time
(VDD 3 V to 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
1. fMASTER, must be at least 8 MHz to achieve max fast I2C speed (400 kHz)
2. Data based on standard I2C protocol requirement, not tested in production
3. The maximum hold time of the start condition has only to be met if the interface does not stretch the low time
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



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