MC9S08LC60 Datasheet, PDF (13/358 Pages) Freescale Semiconductor, Inc – Microcontrollers

Section Number
Title
Page
Chapter 9
Liquid Crystal Display Driver (S08LCDV1)
9.1 Introduction ...................................................................................................................................123
9.1.1 Features .........................................................................................................................125
9.1.2 Modes of Operation ......................................................................................................125
9.1.3 Block Diagram ..............................................................................................................126
9.2 External Signal Description ..........................................................................................................127
9.2.1 BP[2:0] .........................................................................................................................127
9.2.2 FP[39:0] ........................................................................................................................127
9.2.3 BP3/FP40 ......................................................................................................................127
9.2.4
9.2.5
9.2.6
V_LCD .............................................................................................................................127
V_LL1, VLL2, V_LL3 ........................................................................................................127
Vcap1, Vcap2 ...............................................................................................................128
9.3 Register Definition ........................................................................................................................128
9.3.1 LCD Control Register 0 (LCDCR0) .............................................................................128
9.3.2 LCD Control Register 1 (LCDCR1) .............................................................................129
9.3.3 LCD Frontplane Enable Registers 0–5 (FPENR0–FPENR5) ......................................130
9.3.4 LCDRAM Registers (LCDRAM) ................................................................................131
9.3.4.1 LCDRAM Registers as On/Off Selector (LCDDRMS = 0) .........................133
9.3.4.2 LCDRAM Registers as Blink Enable/Disable (LCDDRMS = 1) .................133
9.3.5 LCD Clock Source Register (LCDCLKS) ...................................................................133
9.3.6 LCD Voltage Supply Register (LCDSUPPLY) ............................................................134
9.3.7 LCD Blink Control Register (LCDBCTL) ...................................................................135
9.3.8 LCD Command and Status Register (LCDCMD) ........................................................136
9.4 Functional Description ..................................................................................................................137
9.4.1 LCD Driver Description ...............................................................................................138
9.4.1.1 LCD Duty Cycle ...........................................................................................138
9.4.1.2 LCD Bias ......................................................................................................139
9.4.1.3 LCD Module Waveform Base Clock and Frame Frequency ........................139
9.4.1.4 LCD Waveform Examples ............................................................................141
9.4.2 LCDRAM Registers .....................................................................................................149
9.4.2.1 LCDRAM Data Clear Command ..................................................................149
9.4.2.2 LCDRAM Data Blank Command .................................................................149
9.4.3 LCD Blinking ...............................................................................................................149
9.4.3.1 LCD Segment Blinking .................................................................................150
9.4.3.2 Blink Frequency ............................................................................................150
9.4.4 LCD Charge Pump, Voltage Divider, and Power Supply Operation ............................150
9.4.4.1 LCD Charge Pump and Voltage Divider .......................................................152
9.4.4.2 LCD Power Supply and Voltage Buffer Configuration .................................153
9.4.5 Resets ............................................................................................................................155
9.4.6 Interrupts .......................................................................................................................155
9.5 Initialization Section .....................................................................................................................155
9.5.1 Initialization Sequence .................................................................................................156
9.5.2 Initialization Examples .................................................................................................157
MC9S08LC60 Series Advance Information Data Sheet, Rev. 2
Freescale Semiconductor
13
PRELIMINARY