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HD66750STB1 PDF预览

HD66750STB1

更新时间: 2024-11-17 15:33:55
品牌 Logo 应用领域
日立 - HITACHI 时钟外围集成电路
页数 文件大小 规格书
108页 1092K
描述
128X128 DOTS DOT MAT LCD DSPL CTLR, UUC308, TCP-308

HD66750STB1 数据手册

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Preliminary  
HD66750S  
(128 x 128-dot Graphics LCD Controller/Driver with  
Four-grayscale Functions)  
Rev 0.2  
January, 2001  
Description  
The HD66750S, dot-matrix graphics LCD controller and driver LSI, displays 128-by-128-dot graphics  
for four monochrome grayscales. Since the HD66750S incorporates bit-operation functions and a 16-bit  
high-speed bus interface, it enables efficient data transfer and high-speed rewriting of data in the graphics  
RAM. The following functions allow the user to easily see a variety of information: a smooth scroll  
display function that fixed-displays a part of the graphics icons and perform vertical smooth scrolling of  
the remaining bit-map areas, a double-height display function, and a hardware-supported window cursor  
display function.  
The HD66750S has various functions to reduce the power consumption of an LCD system such as low-  
voltage operation of 1.8 V min., a booster to generate maximum seven-times LCD drive voltage from the  
supplied voltage, and voltage-followers to decrease the direct current flow in the LCD drive bleeder-  
resistors. Combining these hardware functions with software functions, such as a partial display with  
low-duty drive and standby and sleep modes, allows precise power control. The HD66750S is suitable  
for any mid-sized or small portable battery-driven product requiring long-term driving capabilities, such  
as digital cellular phones supporting a WWW browser, bidirectional pagers, and small PDAs.  
Features  
128 × 128-dot graphics display LCD controller/driver for four monochrome grayscales  
Fixed display of graphics icons (pictograms)  
16-/8-bit high-speed bus interface capability  
Clock synchronized serial interface capability  
Bit-operation functions for graphics processing incorporated:  
Write-data mask function in bit units  
Bit rotation function  
Bit logic-operation function  
Low-power operation support:  
Vcc = 1.8 to 3.6 V (low voltage)  
VLCD = 5 to 15.5 V (liquid crystal drive voltage)  
Two-, five-, six-, or seven-times internal booster for liquid crystal drive voltage (programmable)  
1

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