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ML9092-01TB 数据表(PDF) 11 Page - OKI electronic componets

部件名 ML9092-01TB
功能描述  LCD Driver with Key Scanner and RAM
PDF  66 Pages
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制造商  OKI [OKI electronic componets]
网页  http://www.oki.com
标志 OKI - OKI electronic componets

ML9092-01TB 数据表(HTML) 11 Page - OKI electronic componets

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FEDL9092-01
OKI Semiconductor
ML9092-01/02/03/04
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FUNCTIONAL DESCRIPTIONS
Pin Functional Descriptions
ML9092-01
Function
Pin
Symbol
Type
Description
63
CS
I
Chip select signal input pin
64
CP
I
Shift clock signal input pin. This pin is
connected to the Schmitt circuit internally.
65
DI/O
I/O
Serial data signal I/O pin. This pin is
connected to the Schmitt circuit internally.
CPU interface
66
KREQ
O
Key scan read and rotary encoder read
READY signal output pin.
77
OSC1
I
Oscillation
78
OSC2
O
Connect external resistors with this pin.
This pin is connected to the Schmitt circuit
internally.
If using an external clock, input it from the
OSC1 pin and leave the OSC2 pin open.
67
RESET
I
Reset input. Initial settings can be
established by applying a “L” level to this
pin. This pin is connected to the Schmitt
circuit internally.
80
KPS
I
Input pin for switching between key
scanning and ports C and D
Control signal
79
TEST
I
Test input pin. This pin is connected to the
VSS pin.
62–58
C0/D0–C4/D4
I/O
Input pins that detect status of key
switches/port D output pins. When used
as input pins, these pins are connected to
the Schmitt circuit internally.
57–53
R0/C0–R4/C4
O
Key switch scan signal output pins/port C
output pins
Switch signal
51, 52
A, B
I
Rotary encoder signal input pins.
These pins are connected to the Schmitt
circuit internally.
81
PA0
O
Port A output pin
Port output
84–82
PB0–PB2
O
Port B output pins
50–1
100–95
SEG1–SEG56
O
LCD segment driver output pins
LCD driver output
94–85
COM1–COM10
O
LCD common driver output pins
76
VDD
—
Logic power supply pin
68
VSS
—
GND pin
75
VIN
—
Voltage doubler reference voltage input
pin
74, 73
VC1+, VS1–
—
Pins to connect a capacitor for voltage
doubler
72
VOUT
—
Voltage doubler output pin
71, 69
V0, V2
—
LCD bias pins
Power supply
70
NC
—
Should be left open.



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