st52f513 STMicroelectronics, st52f513 Datasheet - Page 123

• Manufacturer Part Number: st52f513
• Description: 8-bit Microcontrollers
• Manufacturer: STMicroelectronics

16.13 I
Subject to general operating conditions for V
f
Table 16.17 I
Figure 16.13 I
Notes:
1. Data based on standard I
2. The device must internally provide a hold time of at least 300ns for the SDA signal in order to bridge the
3. The maximum hold time of the START condition has only to be met if the interface does not stretch the
4. Measurement points are done at levels: 0.3xV
osc
t
undefined region of the falling edge of SCL.
low period of the SCL signal.
w(STO:STA)
Symbol
t
, and T
t
t
t
t
w(SCLH)
w(SCLL)
t
su(SDA)
t
t
su(STO)
t
t
t
su(STA)
h(SDA)
h(STA)
r(SDA)
r(SCL)
f(SDA)
f(SCL)
C
2
b
C Interface Characteristics
A,
unless otherwise specified.
2
SCL clock low time
SCL clock high time
SDA setup time
SDA data hold time
SDA and SCL rise time
SDA and SCL fall time
START condition hold time
Repeated START condition setup time
STOP condition setup time
STOP to START condition time (bus free)
Capacitive load for each bus line
C Interface Characteristics
2
C Bus and Timing Diagram
Parameter
2
C protocol requirements, not tested in production.
4)
DD
DD
,
and 0.7xV
Refer to I/O port characteristics for more details on
the input/output alternate function characteristics
(SDA and SCL). The I
requirements of the Standard I
protocol described in the following table.
Standard mode I
Min
250
0
4.7
4.0
4.0
4.7
4.0
4.7
3)
1)
DD
.
Max
1000
300
400
2
1)
C
20+0.1C
20+0.1C
ST52510xx ST52513xx
Min
100
0
1.3
0.6
0.6
0.6
0.6
1.3
Fast mode I
2
C interface meets the
2)
1)
b
b
2
C communication
Max
900
300
300
400
2
C
3)
1)
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Unit
ms
pF
ns
ns
s
s