STM8AF6166 datasheet(68/89 Pages) STMICROELECTRONICS

部件名	STM8AF6166

功能描述	Automotive 8-bit MCU, with up to 32 Kbytes Flash, data EEPROM, 10-bit ADC, timers, LIN, SPI, I2C, 3 to 5.5 V

PDF	89 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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68 / 89 page

Electrical characteristics

STM8AF61xx, STM8AF62xx

68/89

Doc ID 14952 Rev 6

10.3.10

I2C interface characteristics

Table 41.

I2C characteristics

Symbol

Parameter

Standard mode I2C Fast mode I2C(1)

fMASTER, must be at least 8 MHz to achieve max fast I

2C speed (400 kHz)

Unit

Min(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

th(SDA)

SDA data hold time

0(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)

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 to 5.5 V)

1000

300

tf(SDA)

tf(SCL)

SDA and SCL fall time

(VDD = 3 to 5.5 V)

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

Capacitive load for each bus line

400

STM8AF6166 数据表(PDF) 68 Page - STMicroelectronics

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