參數(shù)資料
型號： MB90F983
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-bit Proprietary Microcontroller
中文描述： 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP64
封裝： 10 X 10 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù)： 40/48頁
文件大?。?/td> 321K
代理商： MB90F983
MB90980 Series
40
(8) I
2
C Timing
(V
CC
=
2.7 V to 3.6 V, V
SS
=
0.0 V, T
A
=
40
°
C to
+
85
°
C)
*1 : f
CP
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 t
HDDAT
only has to be met if the device does not stretch the “L” width (t
LOW
) of the SCL signal.
Note : V
CC
=
V
CC
3
=
V
CC
5
Parameter
Symbol
Condition
Standard-mode
Unit
Min
Max
SCL clock frequency
f
SCL
When power supply voltage of
external pull-up resistance is 5.5 V
R
=
1.3 k
, C
=
50 pF*
2
When power supply voltage of
external pull-up resistance is 3.6 V
R
=
1.6 k
, C
=
50 pF*
2
0
100
kHz
Hold time (repeated) START condition
SDA
↓→
SCL
↓
“L” width of the SCL clock
t
HDSTA
4.0
μ
s
t
LOW
4.7
μ
s
μ
s
“H” width of the SCL clock
t
HIGH
4.0
Set-up time (repeated) START
condition SCL
↑→
SDA
↓
Data hold time
SCL
↓→
SDA
↓↑
t
SUSTA
4.7
μ
s
t
HDDAT
0
3.45*
3
μ
s
Data set-up time
SDA
↓↑→
SCL
↑
t
SUDAT
When power supply voltage of
external pull-up resistance is 5.5 V
f
CP
*
1
≤
20 MHz, R
=
1.3 k
, C
=
50 pF*
2
When power supply voltage of
external pull-up resistance is 3.6 V
f
CP
*
1
≤
20 MHz, R
=
1.6 k
, C
=
50 pF*
2
When power supply voltage of
external pull-up resistance is 5.5 V
f
CP
*
1
>
20 MHz, R
=
1.3 k
, C
=
50 pF*
2
When power supply voltage of
external pull-up resistance is 3.6 V
f
CP
*
1
>
20 MHz, R
=
1.6 k
, C
=
50 pF*
2
When power supply voltage of
external pull-up resistance is 5.5 V
R
=
1.3 k
, C
=
50 pF*
2
When power supply voltage of
external pull-up resistance is 3.6 V
R
=
1.6 k
, C
=
50 pF*
2
250
ns
200
ns
Set-up time for STOP condition
SCL
↑→
SDA
↑
t
SUSTO
4.0
μ
s
Bus free time between a STOP and
START condition
t
BUS
4.7
μ
s
SDA
SCL
t
LOW
t
HDDAT
t
HIGH
t
SUDAT
t
HDSTA
t
SUSTA
t
HDSTA
t
SUSTO
t
BUS
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