msm9201-01 Oki Semiconductor, msm9201-01 Datasheet - Page 6

• Manufacturer Part Number: msm9201-01
• Description: Fluorescent Display Tube Controller Driver
• Manufacturer: Oki Semiconductor

¡ Semiconductor
PIN DESCRIPTIONS
*
1, 2, 79, 80
QFP
38, 78
63, 76
39-62
72-75
3-27
QFP-1 : QFP80-P-1414-0.65-K
QFP-2 : QFP80-P-1420-0.80-BK
71
64
70
69
68
-1*
Pin
QFP
40, 80
65, 78
41-64 COM1-24 O
74-77
5-39
1-4
73
66
72
71
70
-2*
Symbol Type
SEG1-35
V
AD1-4
V
DISP1-2
P1-4
GND
V
FL1-2
DA
CP
CS
DD
—
—
—
—
O
O
O
I
I
I
Connects to:
Fluorescent
tube anode
electrode
Fluorescent
tube grid
electrode
Fluorescent
tube anode
electrode
LED drive
control
terminals
Power
supply
Micro-
controller
Micro-
controller
Micro-
controller
Fluorescent display tube anode electrode drive output.
Directly connected to fluorescent display tube. No pull-down
resistor is required. I
Fluorescent display tube grid electrode drive output.
Directly connected to fluorescent display tube. No pull-down
resistor is required. I
Fluorescent display tube anode electrode drive output.
Directly connected to fluorescent display tube. No pull-down
resistor is required. I
V
V
Use the same power supply for V
Serial data input (positive logic).
Input from LSB.
Shift clock input.
Serial data is shifted on the rising edge of CP.
Chip select input.
Setting this pin to "H" disables serial data transfer.
General port output.
Output of these pins in static operation, so these pins can drive
the LED. I
DD
DISP
-GND are power supplies for internal logic.
-V
FL
OH
are power supplies for driving fluorescent tubes.
>–2.0 mA
OH
OH
OH
>–5.0 mA
>–20.0 mA
>–10.0 mA
Description
DD
and V
DISP
.
PEDL9201-03
MSM9201-01
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