參數(shù)資料
型號： MB91F469GAPB-GS
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 88 MHz, RISC MICROCONTROLLER, PBGA320
封裝： 27 X 27 MM, 2.46 MM HEIGHT, 1.27 MM PITCH, PLASTIC, BGA-320
文件頁數(shù)： 25/159頁
文件大?。?/td> 4658K
代理商： MB91F469GAPB-GS
MB91460G Series
120
7.4.
I2C AC Timings at VDD5 = 3.0 to 5.5 V
Conditions during AC measurements
All AC tests were measured under the following conditions:
-IOdrive
= 3 mA
-VDD5
= 3.0 V to 5.5 V, Iload = 3 mA
-VSS5
= 0 V
-Ta
= 40 °C to + 105 °C
-Cl
= 50 pF
- VOL
= 0.3 × VDD5,
VOH
= 0.7 × VDD5
- EPILR
= 0, PILR = 0 (CMOS Hysteresis 0.3 × VDD5/0.7 × VDD5)
Fast mode:
(VDD5
= 3.5 V to 5.5 V, VSS5 = AVSS5 = 0V,TA =40 °Cto + 105 °C)
*1 The noise filter will suppress single spikes with a pulse width of 0ns and between (1 to 1.5) cycles
of peripheral clock, depending on the phase relationship between I2C signals (SDA, SCL) and peripheral clock.
Note: tCLKP is the cycle time of the peripheral clock.
Parameter
Symbol
Pin name
Value
Unit
Remark
Min
Max
SCL clock frequency
fSCL
SCLn
0
400
kHz
Hold time (repeated) START
condition. After this period, the first
clock pulse is generated
tHD;STA
SCLn, SDAn
0.6
s
LOW period of the SCL clock
tLOW
SCLn
1.3
s
HIGH period of the SCL clock
tHIGH
SCLn
0.6
s
Setup time for a repeated START
condition
tSU;STA
SCLn, SDAn
0.6
s
Data hold time for I2C-bus devices
tHD;DAT
SCLn, SDAn
0
0.9
s
Data setup time
tSU;DAT
SCLn SDAn
100
ns
Rise time of both SDA and SCL
signals
tr
SCLn, SDAn
20 + 0.1Cb
300
ns
Fall time of both SDA and SCL
signals
tf
SCLn, SDAn
20 + 0.1Cb
300
ns
Setup time for STOP condition
tSU;STO
SCLn, SDAn
0.6
s
Bus free time between a STOP
and START condition
tBUF
SCLn, SDAn
1.3
s
Capacitive load for each bus line
Cb
SCLn, SDAn
400
pF
Pulse width of spike suppressed
by input filter
tSP
SCLn, SDAn
0
(1..1.5)
×
tCLKP
ns
*1
PRELIMINARY
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