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Table of Contents
MOTOROLA
MC68328 DRAGONBALL PROCESSOR USER’S MANUAL
ix
4.4
Operation Overview ..................................................................................... 4-7
4.5
Display Control............................................................................................. 4-7
4.5.1
LCD Screen Format ................................................................................... 4-7
4.5.2
Cursor Control Logic .................................................................................. 4-8
4.5.3
Display Data Mapping................................................................................ 4-8
4.5.4
Gray Scale Generation .............................................................................. 4-8
4.5.5
Gray Palette Mapping ................................................................................ 4-8
4.5.6
FRC Offset Control .................................................................................. 4-10
4.5.7
Cursor and Blinking Rate Control ............................................................ 4-10
4.5.8
Low-Power Mode ..................................................................................... 4-10
4.6
DMA Controller Overview .......................................................................... 4-11
4.6.1
Basic Operation ....................................................................................... 4-11
4.7
Register Descriptions................................................................................. 4-13
4.7.1
System Memory Control Registers .......................................................... 4-13
4.7.1.1
Screen Starting Address Register (SSA)............................................... 4-13
4.7.1.2
Virtual Page Width Register (VPW) ....................................................... 4-13
4.7.2
Screen Format Registers ......................................................................... 4-13
4.7.2.1
Screen Width Register (XMAX) ............................................................. 4-13
4.7.2.2
Screen Height Register (YMAX) ............................................................ 4-14
4.7.3
Cursor Control Registers ......................................................................... 4-14
4.7.3.1
Cursor X Position Register (CXP).......................................................... 4-14
4.7.3.2
Cursor Y Position Register (CYP).......................................................... 4-14
4.7.3.3
Cursor Width & Height Register (CWCH) .............................................. 4-15
4.7.3.4
Blink Control Register (BLKC) ............................................................... 4-15
4.7.4
LCD Panel Interface Registers ................................................................ 4-15
4.7.4.1
Panel Interface Configuration Register (PICF) ...................................... 4-15
4.7.4.2
Polarity Configuration Register (POLCF)............................................... 4-16
4.7.4.3
LACD (M) Rate Control Register (ACDRC) ........................................... 4-17
4.7.5
Line Buffer Control Registers................................................................... 4-17
4.7.5.1
Pixel Clock Divider Register (pxcd) ....................................................... 4-17
4.7.5.2
Clocking Control Register (CKCON)...................................................... 4-17
4.7.5.3
Last Buffer Address Register (LBAR) .................................................... 4-18
4.7.5.4
Octet Terminal Count Register(OTCR).................................................. 4-18
4.7.5.5
Panning Offset Register (POSR) ........................................................... 4-19
4.7.6
Gray-Scale Control Registers .................................................................. 4-19
4.7.6.1
Frame-Rate Modulation Control Register (FRCM) ................................ 4-19
4.7.6.2
Gray Palette Mapping Register (GPMR) ............................................... 4-19
4.8
Bandwidth Calculation and Saving ............................................................ 4-20
4.8.1
Bus Overhead Considerations ................................................................. 4-20
Section 5
Real-Time Clock Module
5.1
Operating Characteristics ............................................................................ 5-1
5.1.1
Prescaler and Counter ............................................................................... 5-1
5.1.2
Alarm ......................................................................................................... 5-1
Summary of Contents for DragonBall MC68328
Page 5: ...vi MC68328 DRAGONBALL PROCESSOR USER S MANUAL MOTOROLA ...
Page 25: ...Overview 1 14 MC68328 DRAGONBALL PROCESSOR USER S MANUAL MOTOROLA ...
Page 45: ...System Integration Module 2 20 MC68328 DRAGONBALL PROCESSOR USER S MANUAL MOTOROLA ...
Page 103: ...Parallel Ports 7 16 MC68328 DRAGONBALL PROCESSOR USER S MANUAL MOTOROLA ...
Page 117: ...UART 8 14 MC68328 DRAGONBALL PROCESSOR USER S MANUAL MOTOROLA ...
Page 127: ...SPI Master 10 6 MC68328 DRAGONBALL PROCESSOR USER S MANUAL MOTOROLA ...