MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 316
MC68HC908LJ12CPB
Manufacturer Part Number
MC68HC908LJ12CPB
Description
8-bit microcontroller units
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC908LJ12CPB.pdf
(413 pages)
- Current page: 316 of 413
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16.1 Contents
MC68HC908LJ12
Freescale Semiconductor
Technical Data — MC68HC908LJ12
—
Rev. 2.1
Section 16. Liquid Crystal Display Driver (LCD)
16.2
16.3
16.4
16.5
16.5.1
16.5.2
16.5.3
16.5.4
16.5.5
16.6
16.6.1
16.6.2
16.7
16.7.1
16.7.2
16.8
16.9
16.9.1
16.9.2
16.9.3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Pin Name Conventions and I/O Register Addresses . . . . . . . 318
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .320
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Seven Segment Display Connection . . . . . . . . . . . . . . . . . . . 332
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Liquid Crystal Display Driver (LCD)
LCD Duty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
LCD Voltages (V
LCD Cycle Frame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Fast Charge and Low Current . . . . . . . . . . . . . . . . . . . . . . 324
Contrast Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .325
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .325
BP0–BP3 (Backplane Drivers) . . . . . . . . . . . . . . . . . . . . . . 326
FP0–FP26 (Frontplane Drivers) . . . . . . . . . . . . . . . . . . . . . 328
LCD Control Register (LCDCR) . . . . . . . . . . . . . . . . . . . . . 335
LCD Clock Register (LCDCLK) . . . . . . . . . . . . . . . . . . . . . 337
LCD Data Registers (LDAT1–LDAT14) . . . . . . . . . . . . . . . 339
LCD
, V
LCD1
, V
LCD2
, V
LCD3
) . . . . . . . . . . . 323
Technical Data
317
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