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參數(shù)資料
| 型號： | 933841600005 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | LIQUID CRYSTAL DISPLAY DRIVER, U |
| 封裝： | DIE |
| 文件頁數(shù)： | 23/44頁 |
| 文件大?。?/td> | 192K |
| 代理商： | 933841600005 |
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2001 Oct 02
3
Philips Semiconductors
Product specication
Universal LCD driver for low multiplex rates
PCF8576
1
FEATURES
Single-chip LCD controller/driver
Selectable backplane drive configuration: static or 2/3/4
backplane multiplexing
Selectable display bias configuration: static, 12 or 13
Internal LCD bias generation with voltage-follower
buffers
40 segment drives: up to twenty 8-segment numeric
characters; up to ten 15-segment alphanumeric
characters; or any graphics of up to 160 elements
40 × 4-bit RAM for display data storage
Auto-incremented display data loading across device
subaddress boundaries
Display memory bank switching in static and duplex
drive modes
Versatile blinking modes
LCD and logic supplies may be separated
Wide power supply range: from 2 V for low-threshold
LCDs and up to 9 V for guest-host LCDs and
high-threshold (automobile) twisted nematic LCDs
Low power consumption
Power-saving mode for extremely low power
consumption in battery-operated and telephone
applications
I2C-bus interface
TTL/CMOS compatible
Compatible with any 4-bit, 8-bit or 16-bit
microprocessors/microcontrollers
May be cascaded for large LCD applications (up to
2560 segments possible)
Cascadable with 24-segment LCD driver PCF8566
Optimized pinning for plane wiring in both single and
multiple PCF8576 applications
Space-saving 56-lead plastic very small outline package
(VSO56)
Very low external component count (at most one
resistor, even in multiple device applications)
Compatible with chip-on-glass technology
Manufactured in silicon gate CMOS process.
2
GENERAL DESCRIPTION
The PCF8576 is a peripheral device which interfaces to
almost any Liquid Crystal Display (LCD) with low multiplex
rates. It generates the drive signals for any static or
multiplexed LCD containing up to four backplanes and up
to 40 segments and can easily be cascaded for larger LCD
applications. The PCF8576 is compatible with most
microprocessors/microcontrollers and communicates via a
two-line bidirectional I2C-bus. Communication overheads
are minimized by a display RAM with auto-incremented
addressing, by hardware subaddressing and by display
memory switching (static and duplex drive modes).
3
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
PCF8576T
VSO56
plastic very small outline package; 56 leads
SOT190-1
PCF8576U
chip in tray
PCF8576U/2
chip with bumps in tray
PCF8576U/5
unsawn wafer
PCF8576U/10
FFC
chip on lm frame carrier (FFC)
PCF8576U/12
FFC
chip with bumps on lm frame carrier (FFC)
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