参数资料
型号: STM8AF51AATBXXXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 14 MM, ROHS COMPLIANT, LQFP-80
文件页数: 107/118页
文件大小: 2173K
代理商: STM8AF51AATBXXXX
STM8AF51xx, STM8AF61xx
Electrical characteristics
Doc ID 14395 Rev 6
10.3.10
I2C interface characteristics
Table 55.
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)
tw(SCLL)
SCL clock low time
4.7
1.3
s
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
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
s
tsu(STA)
Repeated START condition setup time
4.7
0.6
tsu(STO)
STOP condition setup time
4.0
0.6
s
tw(STO:STA)
STOP to START condition time
(bus free)
4.7
1.3
s
Cb
Capacitive load for each bus line
400
400
pF
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