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SED1278F0F Datasheet

  • SED1278F0F

  • CMOS DOT MATRIX LCD CONTROLLER DRIVER

  • 167.42KB

  • 16頁(yè)

  • ETC

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SED1278
CMOS DOT MATRIX LCD CONTROLLER DRIVER
s
DESCRIPTION
The SED1278 is a character LCD controller-driver, capable of driving displays as large as 2 lines of 8
characters (5
脳
8 pixels), with minimum external components.
The SED1278 has an internal CGROM consisting of 240 characters (5
脳
7) plus the underline cursor, JIS,
ASCII, and eight user-programmable characters in RAM.
The SED1278 has 40 segment output and 16 common output built-in. Thus, one chip is capable of displaying
up to 16 characters. The SED1278 can display one line of 48 characters using an SED1681F (80-bit output)
as an expansion segment driver.
The SED1278 is fabricated using a silicon gate CMOS technology process and features very low power
dissipation. This makes the device suitable for handheld and portable applications.
s
FEATURES
鈥?/div>
Low-power CMOS technology
鈥?/div>
40 segment output
鈥?/div>
16 common output
鈥?/div>
Duty: 1/8 or 1/16 (set by command)
鈥?/div>
4/8-bit CPU data interface, TTL compatible
鈥?/div>
Two frame AC drive wave form
鈥?/div>
CGROM: .................................... 240 characters
鈥?/div>
CGRAM: ........................................ 8 characters
鈥?/div>
Display data RAM: ... 80
脳
8 bits (80 characters)
鈥?/div>
Recommended expansion segment driver:
SED1181F (64 output)
LA
鈥?/div>
Built-in power on power-on reset
鈥?/div>
Built-in RC oscillator
鈥?/div>
Built-in LCD driver voltage-divider network
鈥?/div>
TTL compatible CPU interface
Logic: 4.5V to 5.5V
鈥?/div>
Supply voltage ................... LCD: 3.5V to 5.5V
鈥?/div>
Package:
QFP5-80 pins (F
0A
, F
0B
, F
0C
, F
0D
, F
0G
, F
0H
)
Al pad (D
0A
, D
0B
, D
0C
, D
0D
, D
0G
, D
0H
)
SED1681F (80 output)
s
SYSTEM BLOCK DIAGRAM
40 SEG
DATA
CPU
CONTROL
SED1278
16 COM
20 CHAR
脳
2 LINES
64 SEG
XSCL, LP
D0
SED1181
287

SED1278F0F相關(guān)型號(hào)PDF文件下載

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