参数资料
型号: MB90342ASPFV
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, LQFP-100
文件页数: 63/84页
文件大小: 1130K
代理商: MB90342ASPFV
MB90340 Series
66
(13) I2C Timing
(TA
= –40°C to +105°C, VCC = 5.0 V ± 10%, VSS = 0.0 V)
*1 : R,C : Pull-up resistor and load capacitor of the SCL and SDA lines.
*2 : The maximum tHDDAT have only to be met if the device does not stretch the “L” width (tLOW) of the SCL signal.
*3 : 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.
*4 : For use at over 100 kHz, set the machine clock to at least 6 MHz.
Parameter
Symbol
Condition
Standard-mode
Fast-mode*4
Unit
Min
Max
Min
Max
SCL clock frequency
fSCL
R
= 1.7 k,
C
= 50 pF*1
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 for a repeated START condition
SCL
↑→SDA↓
tSUSTA
4.7
0.6
s
Data hold time
SCL
↓→SDA↓↑
tHDDAT
0
3.45*2
00.9*3
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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