參數(shù)資料
型號: MB91F647PMC
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 60 MHz, RISC MICROCONTROLLER, PQFP176
封裝: 24 X 24 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-176
文件頁數(shù): 23/132頁
文件大小: 4314K
代理商: MB91F647PMC
MB91645 Series
DS07-16904-1E
119
(14) I2C Timing
(VCC
= AVCC = 2.7 V to 3.6 V, VDDI = 1.65 V to 1.95 V, VSS = AVSS = 0 V, Ta = 40 °C to + 85 °C)
*1 : R and C represent the pull-up resistance and load capacitance of the SCL and SDA lines, respectively. Vp
indicates the power supply voltage of the pull-up resistance and IOL indicates VOL guaranteed current.
*2 : The maximum tHDDAT must satisfy that it doesn't extend at least “L” period (tLOW) of device's SCL signal.
*3 : A high-speed mode I2C bus device can be used on a standard mode I2C bus system as long as the device
satisfies the requirement of “tSUDAT
≥ 250 ns”.
*4 : tCYCP is the peripheral clock cycle time. To use I2C, set the peripheral bus clock at 8 MHz or more.
Parameter
Symbol
Pin name
Condition
Typical mode
High-speed mode
Unit
Min
Max
Min
Max
SCL clock frequency
fSCL
SCKn
(SCLn)
CL
= 50 pF
R
= (Vp/IOL)*1
01000400
kHz
“(Repeated) START
condition” hold time
SDA
↓ → SCL ↓
tHDSTA
SOUTn
(SDAn)
SCKn
(SCLn)
4.0
0.6
s
SCL clock “L” width
tLOW
SCKn
(SCLn)
4.7
1.3
s
SCL clock “H” width
tHIGH
SCKn
(SCLn)
4.0
0.6
s
“Repeated START
condition” setup time
SCL
↑→ SDA ↓
tSUSTA
SCKn
(SCLn)
4.7
0.6
s
Data hold time
SCL
↓ → SDA ↓ ↑
tHDDAT
SOUTn
(SDAn)
SCKn
(SCLn)
0
3.45*2
00.9*3
s
Data setup time
SDA
↓ ↑→ SCL↑
tSUDAT
SOUTn
(SDAn)
SCKn
(SCLn)
250
100
ns
“STOP condition”
setup time
SCL
↑→ SDA↑
tSUSTO
SOUTn
(SDAn)
SCKn
(SCLn)
4.0
0.6
s
Bus free time
between “STOP
condition” and
“START condition”
tBUF
4.7
1.3
s
Noise filter
tSP
2tCYCP*4
2tCYCP*4
ns
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