msm63182a Oki Semiconductor, msm63182a Datasheet - Page 25

• Manufacturer Part Number: msm63182a
• Description: 4-bit Microcontroller With Built-in 512-dot Matrix Lcd Drivers, Operating At 0.9 V Min. Msm63182a4-bit Microcontroller With Built-in 512-dot Matrix Lcd Drivers, Operating At 0.9 V Min.
• Manufacturer: Oki Semiconductor

(2) Writing from External Memory
AC characteristics timing
(“H” level = 4.0 V, “L” level = 1.0 V)
1 Semiconductor
Write Cycle Time
Address Setup Time
Write Time
Write Recovery Time
Data Setup Time
Data Hold Time
Write Cycle Time
Address Setup Time
Write Time
Write Recovery Time
Data Setup Time
Data Hold Time
(a) When CPU operates at 32.768 kHz
(b) When CPU operates at 2 MHz (V
System clock
(A15 - A0)
(D7 - D0)
Parameter
Parameter
P7 - P4
PA, P9
(WR)
P8.1
Port setup value
Port setup value
MOVXB [RA], obj or MOVXB xadr16, obj
S1
DDH
S2
Symbol
Symbol
= 2.7 to 5.5 V)
t
t
t
t
t
t
t
t
t
t
t
t
WC
WR
WC
WR
DH
DH
AS
DS
AS
DS
W
W
S1
Address output
t
AS
Output data
S2
t
Condition
Condition
t
WC
DS
t
W
—
—
—
—
—
—
—
—
—
—
—
—
S1
t
t
DH
WR
Port setup value
S2
Port setup value
Min.
Min.
1.0
0.4
0.2
0.2
0.7
0.2
—
—
—
—
—
—
5 V (V
0 V (V
5 V (V
0 V (V
5 V (V
0 V (V
Typ.
61.0
30.5
15.3
15.3
45.8
15.3
Typ.
—
—
—
—
—
—
DDI
SS
DDI
SS
DDI
SS
FEDL63182A-02
)
)
)
Max.
Max.
)
)
)
MSM63182A
—
—
—
—
—
—
—
—
—
—
—
—
Unit
Unit
25/29
s
s
s
s
s
s
s
s
s
s
s
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