upd75238 Renesas Electronics Corporation., upd75238 Datasheet - Page 176
upd75238
Manufacturer Part Number
upd75238
Description
4 Bit Single-chip Microcomputer
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD75238.pdf
(190 pages)
- Current page: 176 of 190
- Download datasheet (2Mb)
176
SCK cycle time
SCK high/low level
width
SB0/SB1 setup time
(referred to SCK )
SB0/SB1 hold time
(referred to SCK )
SCK
output delay time
SCK
SB0/SB1
SB0/SB1 low level
width
SB0/SB1 high level
width
SCK cycle time
SCK high/low level
width
SB0/SB1 setup time
(referred to SCK )
SB0/SB1 hold time
(referred to SCK )
SCK
output delay time
SCK
SB0/SB1
SB0/SB1 low level
width
SB0/SB1 high level
width
(c) SBI mode (SCK ... Internal clock output (master)):
(d) SBI mode (SCK ... External clock input (slave)):
Parameter
Parameter
Note R
Note R
SB0/SB1
SB0/SB1
SB0/SB1
SB0/SB1
SCK
SCK
L
L
and C
and C
Symbol
Symbol
L
L
t
t
t
t
are the resistance and capacitance of the SO output line load respectively.
t
t
t
are the resistance and capacitance of the SO output line load respectively.
t
t
t
t
t
t
t
t
t
t
t
t
KSO4
t
KSO3
KCY4
KCY3
SIK3
KSI3
KH4
SIK4
KSI4
KSB
SBK
SBH
KH3
KSB
SBK
SBL
SBH
KL4
SBL
KL3
t
KCY
t
KCY
t
t
1340
1600
2680
3800
Min.
3200
1600
Min.
/2 - 150
KCY
800
400
100
KCY
150
t
t
t
t
t
t
t
t
/2 - 50
KCY
KCY
KCY
KCY
KCY
KCY
KCY
KCY
0
0
0
0
/2
/2
Typ.
Typ.
Max.
Max.
1000
1000
300
250
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
R
C
V
R
C
DD
DD
DD
L
L
DD
L
L
= 100 pF
= 100 pF
= 1 k
= 1 k
= 4.5 to 6.0 V
= 4.5 to 6.0 V
= 4.5 to 6.0 V
= 4.5 to 6.0 V
,
,
Note
Note
Conditions
Conditions
V
V
f
f
f
f
X
X
X
X
DD
DD
= 6.0 MHz
= 4.19 MHz
= 6.0 MHz
= 4.19 MHz
= 4.5 to 6.0 V
= 4.5 to 6.0 V
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