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MB90980 Datasheet(PDF) 40 Page - Fujitsu Component Limited.

Part No. MB90980
Description  16-bit Proprietary Microcontroller
Download  48 Pages
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Maker  FUJITSU [Fujitsu Component Limited.]
Homepage  http://edevice.fujitsu.com/fmd/en/index.html
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MB90980 Datasheet(HTML) 40 Page - Fujitsu Component Limited.

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MB90980 Series
40
(8) I2C Timing
(VCC
= 2.7 V to 3.6 V, VSS = 0.0 V, TA = −40 °C to +85 °C)
*1 : fCP is internal operation clock frequency. Refer to “ (1) Clock Timing”.
*2 : R,C : Pull-up resistor and load capacitor of the SCL and SDA lines.
*3 : The maximum tHDDAT only has to be met if the device does not stretch the “L” width (tLOW) of the SCL signal.
Note : VCC
= VCC3 = VCC5
Parameter
Symbol
Condition
Standard-mode
Unit
Min
Max
SCL clock frequency
fSCL
When power supply voltage of
external pull-up resistance is 5.5 V
R
= 1.3 kΩ, C = 50 pF*2
When power supply voltage of
external pull-up resistance is 3.6 V
R
= 1.6 kΩ, C = 50 pF*2
0
100
kHz
Hold time (repeated) START condition
SDA
↓→SCL↓
tHDSTA
4.0
⎯µs
“L” width of the SCL clock
tLOW
4.7
⎯µs
“H” width of the SCL clock
tHIGH
4.0
⎯µs
Set-up time (repeated) START
condition SCL
↑→SDA↓
tSUSTA
4.7
⎯µs
Data hold time
SCL
↓→SDA↓↑
tHDDAT
0
3.45*3
µs
Data set-up time
SDA
↓↑→SCL↑
tSUDAT
When power supply voltage of
external pull-up resistance is 5.5 V
fCP*1
≤ 20 MHz, R = 1.3 kΩ, C = 50 pF*2
When power supply voltage of
external pull-up resistance is 3.6 V
fCP*1
≤ 20 MHz, R = 1.6 kΩ, C = 50 pF*2
250
ns
When power supply voltage of
external pull-up resistance is 5.5 V
fCP*1
> 20 MHz, R = 1.3 kΩ, C = 50 pF*2
When power supply voltage of
external pull-up resistance is 3.6 V
fCP*1
> 20 MHz, R = 1.6 kΩ, C = 50 pF*2
200
ns
Set-up time for STOP condition
SCL
↑→SDA↑
tSUSTO
When power supply voltage of
external pull-up resistance is 5.5 V
R
= 1.3 kΩ, C = 50 pF*2
When power supply voltage of
external pull-up resistance is 3.6 V
R
= 1.6 kΩ, C = 50 pF*2
4.0
⎯µs
Bus free time between a STOP and
START condition
tBUS
4.7
⎯µs
SDA
SCL
tLOW
tHDDAT
tHIGH
tSUDAT
tHDSTA
tSUSTA
tHDSTA
tSUSTO
tBUS


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