參數(shù)資料
型號: STV9937P
廠商: 意法半導體
英文描述: 120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays
中文描述: 120 - MHz的屏幕的顯示器,其中包括PictureBooSTTM和4個真正的獨立的窗口顯示顯示
文件頁數(shù): 46/49頁
文件大小: 441K
代理商: STV9937P
Electrical and Timing Characteristics
STV9937
46/49
12.4
I2C Bus Characteristics
Table 51: Characteristics of the SDA an SCL bus lines for F/S-mode I2C-bus devices
Symbol
Parameter
Standard mode
Fast mode
Unit
Min.
Max.
Min.
Max.
I2C Interface: SDA and SCL
t
SP
Pulse width of spikes which must be suppressed
by the input filter
n/a
n/a
0
50
ns
f
SCL
SCL clock frequency
0
100
0
400
kHz
t
HD;STA
Hold time (repeated) START Condition. After this
period, the first clock pulse is generated
4.0
0.6
μs
t
LOW
LOW period of the SCL clock
4.7
1.3
μs
t
HIGH
HIGH period of the SCL clock
4.0
0.6
μs
t
SU;
t
STA
Set-up time for a repeated START condition
4.7
0.6
μs
t
HD;DAT
Data hold time
0
3.45
0
0.9
μs
t
SU;DAT
Data set-up time
250
100
ns
t
r
Rise time of both SCL and SDA signals
1000
20 + 0.1C
b
300
ns
t
f
Fall time of both SCL and SDA signals
300
20 + 0.1C
b
300
ns
t
SU;
t
STO
Set-up time for STOP condition
4.0
0.6
μs
t
BUF
Bus free time between a STOP and a START
condition
4.7
1.3
μs
C
b
Capacitive load for each bus line
400
400
pF
Figure 16: Definition of Timing for F/S-modes
handbook, full page width
S
Sr
tSU;STO
tSU;STA
tHD;STA
tHIGH
tLOW
tSU;DAT
tHD;DAT
tf
SDA
SCL
P
S
tBUF
tr
tf
tr
tSP
tHD;STA
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