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PDF CM2916 Data sheet ( Hoja de datos )
| Número de pieza | CM2916 | |
| Descripción | LCD Driver | |
| Fabricantes | Ceramate Technical | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CM2916 (archivo pdf) en la parte inferior de esta página. Total 22 Páginas | ||
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CM2916
LCD Driver with Key Scan(4*8)
. General Description:
IC VCD/DVD LCD
Stand-by mode( 1W
)
Green mode 省
降更
力
. Features:
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2.2V-5.5V
LCD RAM read condition 2.6V-5.5V
RC
15K
300pF
率 256KHZ
default on
32 function key
Built-in CM2221/CM2222 decoder
Provide power saving key function from CPU initial or External EEPROM
Provide 24Cxx EEPROM interface read only
Provide 4 pin general output port share with segment
串 LCD
52 SEG/5 COM or 53 SEG/ 4COM or 54 SEG/3 COM (select by software)
1/3 duty or 1/4 duty or 1/5 duty 1/3 bias
RESET 路 Power on reset + LVR
64 pin QFP package
. Application:
z VCD
z DVD
z
z LCD DRIVER (52 SEG*5 COM)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 1 of 22
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.0 Oct. 5, 2004
1 page  
CM2916
LCD Driver with Key Scan(4*8)
. AC / DC Characteristics
Absolutely max. ratings
ITEM
Operating Temperature
Storage Temperature
Supply Voltage
Voltage to input terminal
SYMBOL
Top
Tsto
VDD
Vin
RATING
-20 - +70
-50 - +125
5.5
Vss-0.3 to Vdd+0.3
UNIT
V
V
www.DataShDee.tC4U..cComharacteristics
Condition : Ta= 25 3
RH 65 % VDD = 5V VSS=0V
Symbol
Item
Condition
min. typ. Max.
Operating voltage VDD
2.2 5 5.5
Power consumption IOPR System clock at 256Khz RC
current
oscillator, LCD off, no load, @5V
400 800
stand by current
Ist System halt, No load, RC
oscillator off, LCD off, @5V
12
Input low voltage for VIL1
input pin
0 0.3VDD
Input high voltage for VIH1
input pin
0.7VDD
VDD
RC oscillator
start-up voltage
VST
2.7
RC oscillator
sustain voltage
VSU
2.6
GOUT source current
GOUT sink current
O1-O4 source current
O1-O4 sink current
Segment output
impedance
IOH
IOL
IOH
IOL
Rseg
VDD 5V, VOH=4.5V
VDD 5V, VOL=0.5V
VDD 5V, VOH=4.5V
VDD 5V, VOL=0.5V
VLCD = 4.5V
8
20
3
6
10 20
Common output
impedance
Rcom
VLCD = 4.5V
24
R-bias current(default) IR1
VLCD = 4.5V
100 200 300
R-bias current
IR2
VLCD = 4.5V
25 50 70
unit
V
uA
uA
V
V
V
V
mA
mA
mA
mA
Kohm
Kohm
uA
uA
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 5 of 22
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.0 Oct. 5, 2004
5 Page 
CM2916
LCD Driver with Key Scan(4*8)
A. CMD
Register Bit3 Bit2 Bit1 Bit0 Initial
R/W
65H CMD1
D7
LVS LVREN LVEN
67H CMD2 LCDB LCDD2 LCDD1 TEST
69H
CMD3
GOUT/
SEG
GOUT
IRIC
STOP
0001
0110
1110
RW RW RW RW
RW RW RW RW
RW RW RW RW
- LVEN high
路 active
- LVREN high
low voltage reset
IC power on
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- LVS Low
2.5v +/- 10% high
3.3v +/- 10%
- D7 ”K7” data
key “K7”
register
remote control
key “K7”
remote code
- LCDD2/LCDD1 LCDD2/LCDD1 00 LCD 1/4 duty LCDD2/LCDD1
01
LCD 1/3 duty LCDD2/LCDD1
10
LCD 1/5 duty
LCDD2/LCDD1
11
LCD off
- LCDB high LCD bias current 50uA Default low LCD bias current 200uA
- KEYC high (SEG51/R4, SEG50/R3, SEG49/R2, SEG48/R1)
R1-R4 key scan
low LCD segment
- STOP high RC oscillator off
stand by mode
流 1uA default
low state
- IRIC high default
SEG52/IRI
IRI
low
LCD segment
- GOUT Default high green mode
GOUT pin data register low
CPU
operating mode
- SEG53/GOUT high default (SEG53/GOUT)
GOUT
low
LCD segment
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 11 of 22
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.0 Oct. 5, 2004
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet CM2916.PDF ] | |
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