參數(shù)資料
型號: MB90F372
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 124/140頁
文件大小: 650K
代理商: MB90F372
MB90370/375 Series
124
(7) I
2
C / MI
2
C Timing
(V
CC
=
AV
CC
=
CV
CC
=
3.0 V to 3.6 V, V
SS
=
AV
SS
=
CV
SS
=
0.0 V, T
A
=
40
°
C to
+
85
°
C)
Value
*1 : At the stop condition or transferring of next byte.
*2 : After setting register bit IBCRH : SCC/MBCRH : SCC at restart.
*3 : t
DOSU
is longer than the “L” width of SCL.
Notes :
t
CP
is the internal operating clock cycle time.
m is the setting bit of shift clock oscillation defined in the “ICCR register (CS4 to CS3) ” and “MCCR register
(CS4 to CS3) ”. Please refer to the MB90370/375 series H/W manual for details.
n is the setting bit of shift clock oscillation defined in the “ICCR register (CS2 to CS0) ” and “MCCR register
(CS2 to CS0) ”. Please refer to the MB90370/375 series H/W manual for details.
SDA and SCL output value is specified on condition that the rise/fall time is “0 ns”.
Parameter
Symbol Pin name
Unit
Remarks
Min
Max
Start condition output
t
STA
SCL
SDA
t
CP
(m
×
n/2
1) - 20
t
CP
(m
×
n/2
1)
+
20
ns
Master
mode
Stop condition output
t
STO
SCL
SDA
t
CP
(m
×
n/2
+
3) - 20 t
CP
(m
×
n/2 + 3)
+
20
ns
Master
mode
Start condition detect
t
STA
SCL
SDA
t
CP
+
40
ns
Stop condition detect
t
STO
SCL
SDA
t
CP
+
40
ns
Restart condition output
t
STASU
SCL
SDA
t
CP
(m
×
n/2
+
3) - 20
t
CP
(m
×
n/2
+
3)
+
20
ns
Master
mode
Restart condition detect
t
STASU
SCL
SDA
t
CP
+
40
ns
SCL output “L” width
t
LOW
SCL
t
CP
×
m x n/2 - 20
t
CP
×
m
×
n/2
+
20
ns
Master
mode
SCL output “H” width
t
HIGH
SCL
t
CP
(m
×
n/2
+
2) - 20
t
CP
(m
×
n/2
+
2)
+
20
ns
Master
mode
SDA output delay
t
DO
SDA
t
CP
×
3
20
t
CP
×
m
×
n/2
20
t
CP
×
4
20
t
CP
×
3
+
40
t
CP
+
40
40
t
CP
×
3
+
20
ns
SDA output setup time
after interrupt
t
DOSU
*
3
SDA
ns
*1
ns
*2
SCL input “L” pulse
t
LOW
SCL
ns
SCL input “H” pulse
t
HIGH
SCL
ns
SDA output setup time
t
SU
SDA
ns
SDA hold time
t
HO
SDA
0
ns
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