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STM8S903K3T6C 数据手册 - ST Microelectronics（意法半导体）
制造商:
ST Microelectronics（意法半导体）
分类:
微控制器
封装:
LQFP-32
描述:
8位MCU
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原理图在P11
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型号编码规则在P106P107P109P110P111
封装信息在P107
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STM8S903K3T6C数据手册
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Electrical characteristics STM8S903K3 STM8S903F3
82/121 DocID15590 Rev 10
10.3.9 I
2
C interface characteristics
Figure 42. Typical application with I
2
C bus and timing diagram
Table 46. I
2
C characteristics
Symbol Parameter
Standard mode I
2
CFast mode I
2
C
(1)
1. f
MASTER
, must be at least 8 MHz to achieve max fast I
2
C speed (400 kHz)
Unit
Min
(2)
2.
Data based on standard I
2
C protocol requirement, not tested in production
Max
(2)
Min
(2)
Max
(2)
t
w(SCLL)
SCL clock low time 4.7 - 1.3 -
µs
t
w(SCLH)
SCL clock high time 4.0 - 0.6 -
t
su(SDA)
SDA setup time 250 - 100 -
ns
t
h(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)
t
r(SDA)
t
r(SCL)
SDA and SCL rise time
(V
DD
= 3 to 5.5 V)
- 1000 - 300
t
f(SDA)
t
f(SCL)
SDA and SCL fall time
(V
DD
= 3 to 5.5 V)
- 300 - 300
t
h(STA)
START condition hold time 4.0 - 0.6 -
µs
t
su(STA)
Repeated START condition setup time 4.7 - 0.6 -
t
su(STO)
STOP condition setup time 4.0 - 0.6 -
t
w(STO:STA)
STOP to START condition time
(bus free)
4.7 - 1.3 -
C
b
Capacitive load for each bus line - 400 - 400 pF
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