UPD703039 NEC, UPD703039 Datasheet - Page 35

• Manufacturer Part Number: UPD703039
• Description: V850/SV1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: NEC

I
(T
2
SCLn clock frequency
Bus free time
(between stop and start conditions)
Hold time
SCLn clock low-level width
SCLn clock high-level width
Setup time of start/restart conditions
Data hold
time
Data setup time
Rising time of SDAn and SCLn signals
Falling time of SDAn and SCLn signals
Setup time of stop condition
Pulse width of spike suppressed by
input filter
Load capacitance of bus lines
C Bus Mode (Only for PD703039Y, 703040Y, and 703041Y)
A
Notes 1. The first clock pulse in the start condition is generated after the hold time.
Remark n = 0, 1
= –40 to +85°C, V
Note 1
2. The system must internally provide at least 300 ns hold time for the SDAn signal (at V
3. If the system does not extend the low hold time (t
4. The high-speed I
5. Cb: Total capacitance of one bus line (Unit: pF)
signal) in order to fill the undefined area that appears at the SCLn falling edge.
hold time (t
conditions should be satisfied.
Parameter
CBUS-compatible master
I
2
C mode
When the system does not extend the low-state hold time of the SCLn signal
t
When the system extends the low-state hold time of the SCLn signal
Before the SCLn line is released (t
specification), send the next data bit to the SDAn line.
SU
:
DAT
DD
= AV
HD
PD703039, 703039Y, 703040, 703040Y, 703041, 703041Y
250 ns
:
DAT
DD
).
2
C bus is available in the standard mode I
= BV
DD
f
t
t
t
t
t
t
t
t
t
t
t
Cb
CLK
BUF
HD : STA
LOW
HIGH
SU : STA
HD : DAT
SU : DAT
R
F
SU : STO
SP
= 2.7 to 3.6 V, V
Preliminary Data Sheet U13953EJ1V0DS00
Symbol
<75>
<76>
<77>
<78>
<79>
<80>
<81>
<82>
<83>
<84>
<85>
Rmax.
SS
+ t
MIN.
0
250
4.7
4.0
4.7
4.0
4.7
5.0
4.0
Note 2
= AV
0
–
–
–
–
SU
Standard Mode
:
DAT
SS
LOW
= BV
= 1000 + 250 = 1250 ns: Standard mode I
), it is required to satisfy only the maximum data
MAX.
1000
SS
100
300
400
–
–
–
–
–
–
–
–
–
–
= 0 V)
2
C bus system. In this case, following
20 + 0.1Cb
20 + 0.1Cb
100
MIN.
0
1.3
0.6
1.3
0.6
0.6
0.6
High-Speed Mode
Note 2
0
–
0
–
Note 4
Note 5
Note 5
0.9
MAX.
IHmin.
400
300
300
400
50
–
–
–
–
–
–
–
–
Note 3
of the SCLn
2
C bus
Unit
kHz
pF
ns
ns
ns
ns
s
s
s
s
s
s
s
s
35