UPD75P3036 NEC, UPD75P3036 Datasheet - Page 40

• Manufacturer Part Number: UPD75P3036
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

40
Serial transfer operation
2-wire and 3-wire serial I/O modes (SCK ··· internal clock output): (T
Notes 1.
2-wire and 3-wire serial I/O modes (SCK ··· external clock input): (T
Notes 1.
SCK cycle time
SCK high-, low-level widths
SI
SI
(from SCK )
SCK
delay time
SCK cycle time
SCK high-, low-level widths
SI
SI
(from SCK )
SCK
delay time
Note 1
Note 1
Note 1
Note 1
2.
2.
setup time (to SCK )
hold time
setup time (to SCK )
hold time
Parameter
Parameter
SO
SO
Read as SB0 or SB1 when using the 2-wire serial I/O mode.
R
Read as SB0 or SB1 when using the 2-wire serial I/O mode.
R
L
L
Note 1
Note 1
and C
and C
output
output
L
L
respectively indicate the load resistance and load capacitance of the SO output line.
respectively indicate the load resistance and load capacitance of the SO output line.
t
t
t
t
t
t
t
t
t
t
t
t
KCY1
KL1
KH1
SIK1
KSI1
KSO1
KCY2
KL2
KH2
SIK2
KSI2
KSO2
Symbol
Symbol
,
,
V
V
V
V
R
C
V
V
V
V
R
C
DD
DD
DD
DD
DD
DD
DD
DD
L
L
L
L
= 1 k ,
= 100 pF
= 1 k ,
= 100 pF
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 2.7 to 5.5 V
Note 2
Note 2
Conditions
Conditions
V
V
DD
DD
= 2.7 to 5.5 V
= 2.7 to 5.5 V
A
A
= –40 to +85 C, V
= –40 to +85 C, V
t
t
KCY1
KCY1
1300
MIN.
3800
MIN.
3200
1600
150
500
400
600
800
400
100
150
400
600
/2–150
/2–50
0
0
0
0
TYP.
TYP.
DD
DD
MAX.
MAX.
1000
1000
= 1.8 to 5.5 V)
= 1.8 to 5.5 V)
250
300
PD75P3036
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns