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| MC9S12HZ256 Datasheet, PDF (242/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers | |||
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Chapter 8 Liquid Crystal Display (LCD32F4BV1)
software control. Depending on the state of internal bits, the LCD can operate normally or the LCD clock
generation can be turned off and the LCD32F4B module enters a power conservation state.
This is a high level description only, detailed descriptions of operating modes are contained in
Section 8.4.2, âOperation in Wait Modeâ, Section 8.4.3, âOperation in Pseudo Stop Modeâ, and
Section 8.4.4, âOperation in Stop Modeâ.
8.1.3 Block Diagram
Figure 8-1 is a block diagram of the LCD32F4B module.
Internal Address/Data/Clocks
OSCCLK
LCD
RAM
16 bytes
Timing
and
Control
Logic
Prescaler
Frontplane
Drivers
FP[31:0]
V3
V3
V2
V2
V1
Voltage
Generator
V1
V0
V0
LCD Clock
Backplane
Drivers
VLCD
Figure 8-1. LCD32F4B Block Diagram
BP[3:0]
MC9S12HZ256 Data Sheet, Rev. 2.04
242
Freescale Semiconductor
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