參數(shù)資料
型號: MB90F952JDPF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 72/88頁
文件大?。?/td> 2708K
代理商: MB90F952JDPF
MB90950 Series
74
DS07-13752-2E
(14) I2C Timing
*1: For use at over 100 kHz, set the machine clock to at least 6 MHz.
*2: R,C: Pull-up resistor and load capacitor of the SCL and SDA lines.
*3: The maximum tHDDAT meets the requirement that it does not extend the “L” width (tLOW) of the SCL signal.
*4: A Fast-mode I2C-bus device can be used in a Standard-mode I2C-bus system, but the requirement
tSUDAT
≥ 250 ns must then be met.
Parameter
Symbol
Conditions
Standard-mode
Fast-mode*1
Unit
Min
Max
Min
Max
SCL clock frequency
fSCL
R
= 1.7 k,
C
= 50 pF*2
0
100
0
400
kHz
Hold time (repeated) START condition
SDA
↓ → SCL ↓
tHDSTA
4.0
0.6
s
“L” width of the SCL clock
tLOW
4.7
1.3
s
“H” width of the SCL clock
tHIGH
4.0
0.6
s
Set-up time (repeated) START condition
SCL
↑ → SDA ↓
tSUSTA
4.7
0.6
s
Data hold time
SCL
↓ → SDA ↓ ↑
tHDDAT
0
3.45*3
00.9*4
s
Data set-up time
SDA
↓ ↑ → SCL ↑
tSUDAT
250
100
ns
Set-up time for STOP condition
SCL
↑ → SDA ↑
tSUSTO
4.0
0.6
s
Bus free time between a STOP and START
condition
tBUS
4.7
1.3
s
SDA
SCL
tLOW
tSUDAT
tHDSTA
tBUS
tHDSTA
tHDDAT
tHIGH
tSUSTA
tSUSTO
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