msm63182a Oki Semiconductor, msm63182a Datasheet - Page 24

• 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

AC Characteristics (External Memory Interface)
(V
(1) Reading from External Memory
AC characteristics timing
(“H” level = 4.0 V, “L” level = 1.0 V)
1 Semiconductor
Read Cycle Time
RD Output Delay Time
Output Valid Time
External Memory Output Delay Time
Read Cycle Time
RD Output Delay Time
Output Valid Time
External Memory Output Delay Time
DD
(a) When CPU operates at 32.768 kHz
(b) When CPU operates at 2 MHz (V
= 0.9 to 5.5 V, V
System clock
(A15 - A0)
(D7 - D0)
P7 - P4
PA, P9
Parameter
Parameter
(RD)
P8.0
DDH
= 1.8 to 5.5 V, V
Port setup value
Port setup value
S1
DDH
S2
SS
MOVXB obj, xadr16
Symbol
Symbol
= 2.7 to 5.5 V)
= 0 V, V
t
t
t
t
t
t
t
t
OHA
OHA
RC
OE
DO
RC
OE
DO
S1
MOVXB obj, [RA]
DDI
Address output
= 5.0 V, Ta = –20 to +70°C unless otherwise specified)
S2
t
OE
t
t
Input data
DO
RC
Condition
Condition
S1
—
—
—
—
—
—
—
—
Port setup value
S2
t
OHA
Port setup value
Min.
Min.
1.0
—
—
—
—
—
—
—
Typ.
61.0
Typ.
5 V (V
0 V (V
5 V (V
0 V (V
5 V (V
0 V (V
—
—
—
—
—
—
—
DDI
SS
DDI
SS
DDI
SS
FEDL63182A-02
Max.
Max.
100
100
150
)
)
)
MSM63182A
5.0
5.0
5.0
)
)
)
—
—
Unit
Unit
24/29
ns
ns
ns
s
s
s
s
s