參數(shù)資料
型號: MC68HC05L1FU
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數(shù): 54/102頁
文件大?。?/td> 632K
代理商: MC68HC05L1FU
MC68HC05L1
MOTOROLA
7-1
LIQUID CRYSTAL DISPLAY DRIVER
7
LIQUID CRYSTAL DISPLAY DRIVER
The LCD driver module on the MC68HC05L1 can be congured with up to 16 frontplane
(segment) drivers and up to 4 backplane drivers. This allows a maximum of 64 LCD segments to
be driven. Each segment is controlled by a corresponding bit in the LCD RAM. At power-up or
reset the ON/OFF control for the display (the DON bit in the General Control register) is cleared
thus disabling the LCD drivers. Figure 7-1 shows a block diagram of the LCD system.
Figure 7-1 LCD Driver Block Diagram
Control
Logic
LCD
RAM
Segment
Driver
Backplane
Driver
Voltage
Generator
LCD Data
Latch
Internal Data Bus
Internal Address Bus
VBP0
VBP1
VBP2
VPB3
VSEG0
VSEG15
VLCD
TPG
53
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