sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 663
sc9s12hy64j0vllr
Manufacturer Part Number
sc9s12hy64j0vllr
Description
S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.SC9S12HY64J0VLLR.pdf
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Chapter 18
Liquid Crystal Display (LCD40F4BV1) Block Description
Revision History
18.1
The LCD40F4BV1 driver module has 40 frontplane drivers and 4 backplane drivers so that a maximum of
160 LCD segments are controllable. Each segment is controlled by a corresponding bit in the LCD RAM.
Four multiplex modes (1/1, 1/2, 1/3, 1/4 duty), and three bias (1/1, 1/2, 1/3) methods are available. The V
voltage is the lowest level of the output waveform and V
backplane pins can be multiplexed with other port functions.
The LCD40F4BV1 driver system consists of five major sub-modules:
18.1.1
The LCD40F4BV1 includes these distinctive features:
Freescale Semiconductor
Number
Version
01.00
01.08
01.09
•
•
•
•
•
Timing and Control – consists of registers and control logic for frame clock generation, bias
voltage level select, frame duty select, backplane select, and frontplane select/enable to produce
the required frame frequency and voltage waveforms.
LCD RAM – contains the data to be displayed on the LCD. Data can be read from or written to the
display RAM at any time.
Frontplane Drivers – consists of 40 frontplane drivers.
Backplane Drivers – consists of 4 backplane drivers.
Voltage Generator – Based on voltage applied to VLCD, it generates the voltage levels for the
timing and control logic to produce the frontplane and backplane waveforms.
Introduction
27-Mar-08
25-Apr-08
Revision
26-Jul-00
Features
Date
Effective
Date
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Author
Table 18-1. LCD40F4BV1 Revision History
initial LCD module spec
New specification for 9S12HY family based on 9S12H family specification
Update for 9S12HY defining last registers as unimplemented
3
becomes the highest level. All frontplane and
Description of Changes
663
0
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