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PDF LC75816E Data sheet ( Hoja de datos )
| Número de pieza | LC75816E | |
| Descripción | 1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENN7142
CMOS IC
LC75816E, 75816W
1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers
with Key Input Function
Overview
The LC75816E and LC75816W are 1/8 to 1/10 duty dot
matrix LCD display controllers/drivers that support the
display of characters, numbers, and symbols. In addition to
generating dot matrix LCD drive signals based on data
transferred serially from a microcontroller, the LC75816E
and LC75816W also provide on-chip character display ROM
and RAM to allow display systems to be implemented easily.
These products also provide up to 2 general-purpose output
ports and incorporate a key scan circuit that accepts input
from up to 30 keys to reduce printed circuit board wiring.
Features
• Key input function for up to 30 keys (A key scan is
performed only when a key is pressed.)
• Controls and drives a 5 × 7, 5 × 8, or 5 × 9 dot matrix LCD.
• Supports accessory display segment drive (up to 65
segments)
• Display technique: 1/8 duty 1/4 bias drive (5 × 7 dots)
1/9 duty 1/4 bias drive (5 × 8 dots)
1/10 duty 1/4 bias drive (5 × 9 dots)
• Display digits: 13 digits × 1 line (5 × 7 dots)
12 digits × 1 line (5 × 8 dots, 5 × 9 dots)
• Display control memory
CGROM: 240 characters (5 × 7, 5 × 8, or 5 × 9 dots)
CGRAM: 16 characters (5 × 7, 5 × 8, or 5 × 9 dots)
ADRAM: 13 × 5 bits
DCRAM: 52 × 8 bits
• Instruction function
Display on/off control
Display shift function
• Sleep mode can be used to reduce current drain.
• Built-in display contrast adjustment circuit
• Switching between the key scan output port and general-
purpose output port functions can be controlled by
instructions.
• The frame frequency of the common and segment output
waveforms can be controlled by instructions.
• Serial data I/O supports CCB format communication
with the system controller.
• Independent LCD driver block power supply VLCD
• A voltage detection type reset circuit is provided to
initialize the IC and prevent incorrect display.
• The INH pin is provided. This pin turns off the display,
disables key scanning, and forces the general-purpose
output ports to the low level.
• RC oscillator circuit
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
21202TN (OT) No. 7142-1/43
1 page  
LC75816E, 75816W
Electrical Characteristics for the Allowable Operating Ranges
Parameter
Hysteresis
Power-down detection voltage
Input high level current
Input low level current
Input floating voltage
Pull-down resistance
Output off leakage current
Output high level voltage
Output low level voltage
Output middle level voltage*2
Oscillator frequency
Current drain
Symbol
Conditions
VH
VDET
IIH
IIL
VIF
RPD
IOFFH
VOH1
VOH2
VOH3
VOH4
VOH5
VOL1
VOL2
VOL3
VOL4
VOL5
VOL6
VMID1
VMID2
VMID3
fOSC
IDD1
IDD2
ILCD1
ILCD2
CE, CL, DI, INH, KI1 to KI5
CE, CL, DI, INH, OSCI: VI = 6.0 V
CE, CL, DI, INH, OSCI: VI = 0 V
KI1 to KI5
KI1 to KI5: VDD = 5.0 V
DO: VO = 6.0 V
S1 to S65: IO = –20 µA
COM1 to COM10: IO = –100 µA
KS1 to KS6: IO = –500 µA
P1, P2: IO = –1 mA
OSCO: IO = –500 µA
S1 to S65: IO = 20 µA
COM1 to COM10: IO = 100 µA
KS1 to KS6: IO = 25 µA
P1, P2: IO = 1 mA
OSCO: IO = 500 µA
DO: IO = 1 mA
S1 to S65: IO = ±20 µA
COM1 to COM10: IO = ±100 µA
COM1 to COM10: IO = ±100 µA
OSCI, OSCO: ROSC = 33 kΩ, COSC = 220 pF
VDD: sleep mode
VDD: VDD = 6.0 V, output open, fOSC = 300 kHz
VLCD: sleep mode
VLCD: VLCD = 10.0 V, output open, fOSC = 300 kHz
When the display contrast adjustment circuit is used.
min
2.5
Ratings
typ
0.1 VDD
3.0
–5.0
50 100
VLCD0 – 0.6
VLCD0 – 0.6
VDD – 1.0
VDD – 1.0
VDD – 1.0
VDD – 0.5
0.2 0.5
2/4 (VLCD0 – VLCD4) – 0.6
3/4 (VLCD0 – VLCD4) – 0.6
1/4 (VLCD0 – VLCD4) – 0.6
210
0.1
300
500
450
max
3.5
5.0
0.05 VDD
250
6.0
VDD – 0.2
VLCD4 + 0.6
VLCD4 + 0.6
1.5
1.0
1.0
0.5
2/4 (VLCD0 – VLCD4) + 0.6
3/4 (VLCD0 – VLCD4) + 0.6
1/4 (VLCD0 – VLCD4) + 0.6
390
100
1000
5
900
ILCD3
VLCD: VLCD = 10.0 V, output open, fOSC = 300 kHz
When the display contrast adjustment circuit is not used.
200 400
Note: *2. Excluding the bias voltage generation divider resistor built into the VLCD0, VLCD1, VLCD2, VLCD3, and VLCD4. (See Figure 1.)
Unit
V
V
µA
µA
V
kΩ
µA
V
V
V
kHz
µA
VLCD
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
CONTRAST
ADJUSTER
To the common and segment drivers
Excluding these resistors
Figure 1
No. 7142-5/43
5 Page 
LC75816E, 75816W
No. 7142-11/43
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LC75816E.PDF ] | |
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