msm63188a Oki Semiconductor, msm63188a Datasheet - Page 26

• Manufacturer Part Number: msm63188a
• Description: 4-bit Microcontroller With Built-in 1024-dot Matrix Lcd Drivers And Melody Circuit Msm63188a4-bit Microcontroller With Built-in 1024-dot Matrix Lcd Drivers And Melody Circuit, Operating At 0.9 V Min.
• Manufacturer: Oki Semiconductor

¡ Semiconductor
AC Characteristics (Serial Interface, Serial Port)
(V
specified)
(1) Synchronous Communication
Synchronous communication timing
("H" level = 4.0 V, "L" level = 1.0 V)
TXC/RXC Input Fall Time
TXC/RXC Input Rise Time
TXC/RXC Input "L" Level
Pulse Width
TXC/RXC Input "H" Level
Pulse Width
TXC/RXC Input Cycle Time
TXC/RXC Output Cycle Time
TXD Output Delay Time
RXD Input Setup Time
RXD Input Hold Time
DD
TXC (PC.1)/
RXC (PC.2)
RXD (PC.0)
TXD (PC.3)
= 0.9 to 5.5 V, V
Parameter
DDH
t
DDR
Symbol
= 1.8 to 5.5 V, V
t
t
CYC1(O)
CYC2(O)
t
t
t
t
CWH
CWL
DDR
t
t
CYC
DH
DS
t
t
r
f
t
DS
CPU in operation state at 32 kHz
t
CYC
Output load capacitance 10 pF
V
CPU in operation at 2 MHz
DD
t
SS
= V
r
= 0 V, V
Condition
DDH
t
CWH
= 2.7 V to 5.5 V
—
—
—
—
—
—
—
DDI
t
DH
= 5.0 V, Ta = –20 to +70 C unless otherwise
t
DDR
t
f
t
CWL
Min.
0.8
0.8
2.0
0.5
0.8
t
—
—
—
—
—
DS
30.5
Typ.
0.5
—
—
—
—
—
—
—
—
MSM63188A
Max.
1.0
1.0
0.4
—
—
—
—
—
—
—
5 V (V
0 V (V
5 V (V
0 V (V
5 V (V
0 V (V
26/32
DDI
SS
DDI
SS
DDI
SS
Unit
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
)
)
)
)
)
)