參數(shù)資料
型號: MB91F467DBPVSR-GSE2
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP208
封裝: 28 X 28 MM, 3.95 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, PLASTIC, QFP-208
文件頁數(shù): 5/141頁
文件大?。?/td> 3018K
代理商: MB91F467DBPVSR-GSE2
MB91460D Series
102
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 (VDD = 4.5 V to 5.5 V for MB91F467Dx)
-VSS5
= 0 V
-Ta
= 40 °C to TA(max)
-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 °CtoTA(max))
*1 On MB91F467Dx only guaranteed for 4.5 V < VDD5 < 5.5 V.
*2 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
*1
Fall time of both SDA and SCL
signals
tf
SCLn, SDAn
20 + 0.1Cb
300
ns
*1
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
*2
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