I2C AC Characteristics
參數(shù)資料
型號: DEMOMPR031
廠商: Freescale Semiconductor
文件頁數(shù): 19/33頁
文件大?。?/td> 0K
描述: BOARD DEMO FOR MPR031 CTLR
產(chǎn)品培訓(xùn)模塊: MPR03x - Low-Power Proximity Sensors
視頻文件: DEMOPR031 Touch Sensor
標(biāo)準(zhǔn)包裝: 1
傳感器類型: 觸摸,電容式
接口: I²C
電源電壓: 1.71 V ~ 2.75 V
嵌入式:
已供物品:
已用 IC / 零件: MPR031
產(chǎn)品目錄頁面: 2808 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: MPR031EPR2DKR-ND - IC CTLR TOUCH SENSOR 8-DFN
MPR031EPR2CT-ND - IC CTLR TOUCH SENSOR 8-DFN
MPR031EPR2TR-ND - IC CTLR TOUCH SENSOR 8-DFN
MPR03X
Sensors
26
Freescale Semiconductor
A.6
I2C AC Characteristics
This section includes information about I2C AC Characteristics.
Table 22. I2C AC Characteristics
(Typical Operating Circuit,
VDD = 1.71 V to 2.75 V, TA = TMIN to TMAX, unless otherwise noted. Typical current values are at
VDD = 1.8 V, TA = +25°C.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Serial Clock Frequency
fSCL
400
kHz
1
Bus Free Time Between a STOP and a START
Condition
tBUF
1.3
s
2
Hold Time, (Repeated) START Condition
tHD, STA
0.6
s
2
Repeated START Condition Setup Time
tSU, STA
0.6
s
2
STOP Condition Setup Time
tSU, STO
0.6
s
2
Data Hold Time
tHD, DAT
0.9
s
2
Data Setup Time
tSU, DAT
100
ns
2
SCL Clock Low Period
tLOW
1.3
s
2
SCL Clock High Period
tHIGH
0.7
s
2
Rise Time of Both SDA and SCL Signals,
Receiving
tR
20+0.1
Cb
300
ns
2
Fall Time of Both SDA and SCL Signals,
Receiving
tF
20+0.1
Cb
300
ns
2
Fall Time of SDA Transmitting
tF.TX
20+0.1
Cb
250
ns
2
Pulse Width of Spike Suppressed
tSP
25
ns
2
Capacitive Load for Each Bus Line
Cb
400
pF
2
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