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EM73P362 Datasheet(PDF) 21 Page - ELAN Microelectronics Corp

Part # EM73P362
Description  4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
PDF  44 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM73P362 Datasheet(HTML) 21 Page - ELAN Microelectronics Corp

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This specification are subject to be changed without notice.
11.1.2001
EM73P362
EM73P362
EM73P362
EM73P362
EM73P362
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
LCD DISPLA
LCD DISPLA
LCD DISPLA
LCD DISPLA
LCD DISPLAY D
Y D
Y D
Y D
Y DA
A
A
A
AT
T
T
T
TA
A
A
A
A AREA
AREA
AREA
AREA
AREA
The LCD display data is stored in RAM from address 40h ~ 46h, 50h ~ 56h and 60h ~ 66h. The relation of
data area and COM / SEG pin is as below :
Read automatically by the display data from the display data area and send to the LCD driver by the
hardware. Therefore, the display patterns can be changed only by overwritting the contents of the display
data area with the software.
The relation between LCD display RAM and driving method
Driving method
LCD display RAM address
40h ~ 46h
50h ~ 56h
50h ~ 66h
1/3 duty
COM0
COM1
COM2
1/2 duty
COM0
COM1
-
Static
COM0
-
-
HIGH SPEED
HIGH SPEED
HIGH SPEED
HIGH SPEED
HIGH SPEED COUNTER
COUNTER
COUNTER
COUNTER
COUNTER
EM73P362 has one high speed counter for resistor to frequency oscillation mode, melody mode and auto
load timer mode. The resistor to frequency oscillation (RFO) circuit as show below :
P4.0(RX)
P4.2(RY)
P4.3(RZ)
P4.1(CS)
P18(1..0)
MUX
Resistor
to
frequency
oscillator
Counter
FRF
P18(3..2)
FRF/2X
P5
P3
8-bit Counter
Rate
Mode
P17(1..0)
P17(3..2)
clock
rate
gating
rate
TCB
TONE
Address Increment
bit
0 1 2 3 0 1 2
40h~46h (COM0)
50h~56h (COM1)
60h~66h (COM2)



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