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EM83040A 데이터시트 PDF




ELAN Microelectronics Corp에서 제조한 전자 부품 EM83040A은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 EM83040A 자료 제공

부품번호 EM83040A 기능
기능 LCD CONTROLLER
제조업체 ELAN Microelectronics Corp
로고 ELAN Microelectronics Corp 로고


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EM83040A 데이터시트, 핀배열, 회로
Preliminary
EM83040A
LCD CONTROLLER
GENERAL DESCRIPTION
The EM83040A is a dot matrix LCD driver which is fabricated by low power CMOS technology. This chip
includes 80- bits shift register , 80 bits data latch and 80 bits level driver. A LCD RAM inside can be mapping
to LCD signal. It converts RAM data to parallel data and output lcd waveform to LCD.
FEATURES
(1) Supply power 2.6~6V
(2) Internal RAM : 2.5k x 4 bits
(3) RAM can be controlled by eight signals including four bit data bus.
(4) LCD drive voltage :<13V
(5) Duty: 1/32, 1/48, 1/80
(6) Build in DC converter double and triple
(7) Modularized function: connect to another 83040 to extent LCD matrix
(8) One DC converter enabled and other 83040 can shared with this.
(9) Internal regulator output for DC converter controlled by control register. (2.5V to 4.6V, 8 level)
(10) Chip form (EM83040AH), 128 pin package (14mmx20mm EM83040AAQ), 160 pin package (EM83040ABQ)
(11) Bias : 1/5 for 32 common, 1/7 for 48 common, 1/9 for 80 common. Fixed by internal circuit.
(12) Internal RC clock about 250 KHz.
APPLICATION
(1) Data Bank
(2) LCD toy
(3) Education computer
PIN ASSIGNMENTS
VREG
EM83040ABQ
* This specification are subject to be changed without notice.
5.31.2001 1




EM83040A pdf, 반도체, 판매, 대치품
SLAVE
Mode1
Mode2
Mode3
Mode4
MAIN M1 M0
0 00
0 01
0 10
0 11
Preliminary
Segment
Reserved for test
O(80:1)=S(80:1)
O(80:1)=S(80:1)
O(80:1)=S(80:1)
Common
EM83040A
LCD CONTROLLER
1/9
1/7
1/5
* S=Segment, C=common
* (M1, M0) for master must same as slave unit.
(3)RAM control
Writer mode
Fig.3
LCD RAM can be written or read with control signal. The RAMEN pin can select a RAM which can be read or
write . The RAMADS pin can select whether RAMD(3:0) are data or address of RAM. At the address mode ,
RAMADS is low and user should sent address three times. From address (11:8) to address (3:0). Then it will go
into data mode when RAMADS is high. In data mode , user can sent one or more nibble data which address can
be increased by internal counter.
Once the RAMEN pin is high, the RAM can not read and write.
* This specification are subject to be changed without notice.
5.31.2001 4

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EM83040A 전자부품, 판매, 대치품
(7) Control register
Preliminary
EM83040A
LCD CONTROLLER
Address
2560
Initial : 0000
Bit3
V_BIAS
Bit2
Regulator2
Bit1
Regulator1
Bit0
regulator0
Bit2,1,0 : internal regulator output selection.
(regulator2, regulator1, regulator0)
(0,0,0)
(0,0,1)
(0,1,0)
(0,1,1)
(1,0,0)
(1,0,0)
(1,1,0)
(1,1,1)
Output voltage
2.5V
2.8V
3.1V
3.4V
3.7V
4.0V
4.3V
4.6V
Bit3 : internal Bias voltage selection
(V_BIAS)
0
1
BIAS voltage
VSS2
VSS3
Bias fromV1 to V5
1/5 bias
V_BIAS=0
V1 V2
V2 V2*4/5
V3 V2*3/5
V4 V2*2/5
V5 V2*1/5
1/5 bias
V_BIAS=1
V3
V3*4/5
V3*3/5
V3*2/5
V3*1/5
1/7 bias
V_BIAS=0
V2
V2*6/7
V2*5/7
V2*2/7
V2*1/7
1/7 bias
V_BIAS=1
V3
V3*6/7
V3*5/7
V3*2/7
V3*1/7
1/9 bias
V_BIAS=0
V2
V2*8/9
V2*7/9
V2*2/9
V2*1/9
1/9 bias
V_BIAS=1
V3
V3*8/9
V3*7/9
V3*2/9
V3*1/9
*V2=VREG*2*97%
*V3=VREG*3*95%
* This specification are subject to be changed without notice.
5.31.2001 7

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부품번호상세설명 및 기능제조사
EM83040

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ELAN Microelectronics Corp
ELAN Microelectronics Corp
EM83040A

LCD CONTROLLER

ELAN Microelectronics Corp
ELAN Microelectronics Corp

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