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參數(shù)資料
| 型號(hào)： | UPD703033AYGF |
| 廠商： | NEC Corp. |
| 英文描述： | V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| 中文描述： | V850/SB1TM 32-/16-BIT單晶片微控制器 |
| 文件頁數(shù)： | 44/56頁 |
| 文件大?。?/td> | 357K |
| 代理商： | UPD703033AYGF |
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Data Sheet U14734EJ1V0DS00
44
μ
PD703031A, 703031AY, 703033A, 703033AY, 70F3033A, 70F3033AY
(10)I
2
C bus mode (
μ
PD703031AY, 703033AY, 70F3033AY only)
(T
A
= –40 to +85°C, V
DD
= 4.0 to 5.5 V, EV
DD
= 3.0 to 5.5 V, V
SS
= EV
SS
= 0 V)
Normal Mode
High-Speed Mode
Parameter
Symbol
MIN.
MAX.
MIN.
MAX.
Unit
SCLn clock frequency
–
f
CLK
0
100
0
400
kHz
Bus-free time (between
stop/start conditions)
<74>
t
BUF
4.7
–
1.3
–
μ
s
Hold time
Note 1
<75>
t
HD:STA
4.0
–
0.6
–
μ
s
SCLn clock low-level width
<76>
t
LOW
4.7
–
1.3
–
μ
s
SCLn clock high-level width
<77>
t
HIGH
4.0
–
0.6
–
μ
s
Setup time for start/restart
conditions
<78>
t
SU:STA
4.7
–
0.6
–
μ
s
CBUS
compatible
master
5.0
–
–
–
μ
s
Data hold
time
I
2
C mode
<79>
t
HD:DAT
0
Note 2
–
0
Note 2
0.9
Note 3
μ
s
Data setup time
<80>
t
SU:DAT
250
–
100
Note 4
–
ns
SDAn and SCLn signal rise
time
<81>
t
R
–
1000
20 + 0.1Cb
Note 5
300
ns
SDAn and SCLn signal fall
time
<82>
t
F
–
300
20 + 0.1Cb
Note 5
300
ns
Stop condition setup time
<83>
t
SU:STO
4.0
–
0.6
–
μ
s
Pulse width of spike
suppressed by input filter
<84>
t
SP
–
–
0
50
ns
Capacitance load of each
bus line
–
Cb
–
400
–
400
pF
Notes 1.
At the start condition, the first clock pulse is generated after the hold time.
2.
The system requires a minimum of 300 ns hold time internally for the SDAn signal (at V
IHmin.
.
of SCLn
signal) in order to occupy the undefined area at the falling edge of SCLn.
3.
If the system does not extend the SCLn signal low hold time (t
LOW
), only the maximum data hold time
(t
HD
:
DAT
) needs to be satisfied.
4.
The high-speed mode I
high-speed mode I
If the system does not extend the SCLn signal’s low state hold time:
t
HD
:
DAT
≥
250 ns
If the system extends the SCLn signal’s low state hold time:
Transmit the following data bit to the SDAn line prior to the SCLn line release (t
Rmax.
+ t
SU
:
DAT
= 1000
+ 250 = 1250 ns: Normal mode I
5.
Cb: Total capacitance of one bus line (unit: pF)
2
C bus can be used in the normal-mode I
2
C bus system. In this case, set the
2
C bus so that it meets the following conditions.
2
C bus specification).
Remark
n = 0, 1
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