參數(shù)資料
型號(hào)： HD64645
廠商： Hitachi,Ltd.
英文描述： LCTC (LCD Timing Controller)
中文描述： LCTC（LCD定時(shí)控制器）
文件頁(yè)數(shù)： 8/50頁(yè)
文件大小： 156K
代理商： HD64645
HD64645/64646
8
Table 3
Functions, Application, and Configuration
Classification
Item
Description
Functions
Screen format
Programmable horizontal scanning cycle by the character
clock period
Programmable multiplexing duty ratio from static up to
1/512
Programmable number of vertical displayed characters
Programmable number of rasters per character row
(number of vertical dots within a character row + space
between character rows)
Cursor control
Programmable cursor display position, corresponding to
RAM address
Programmable cursor height by setting display start/end
rasters
Programmable blink rate, 1/32 or 1/64 frame rate
Time for rewriting memory set either by specifying number
of horizontal total characters or by cycle steal utilizing
MCLK
Memory rewriting
Memory addressing
16-bit memory address output, up to 64 kbytes
×
2
memory accessible
DRAM refresh address output
Paging by updating start address
Horizontal scrolling by the character, by setting horizontal
virtual screen width
Vertical smooth scrolling by updating display start raster
Reverse video, blinking, nondisplay (white or black),
display ON/OFF
Paging and scrolling
Character attributes
Application
CRTC compatible
Facilitates system replacement of CRT display with LCD
Enables superimposing display of character screen and
graphic screen
OR function
Configuration
LCTC configuration
Single 5 V power supply
I/O TTL compatible except
RES
, MODE, SK0, SK1
Bus connectable with 80 family
CMOS process
Internal logic fully static
80-pin flat plastic package
相關(guān)PDF資料
PDF描述
HD64645F LCTC (LCD Timing Controller)
HD64646 LCTC (LCD Timing Controller)
HD64646FS AIRBUS
HD647180 ELECTRICAL CHARACTERISTICS
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