CL-PS7500FE
System-on-a-Chip for Internet Appliance
Appendixes
A. INITIALIZATION AND BOOT SEQUENCE........................................................................227
1.
2.
3.
Introduction.....................................................................................................................................227
Sample Boot Sequence..................................................................................................................227
Other Methods................................................................................................................................228
B. DUAL-PANEL LIQUID CRYSTAL DISPLAYS...................................................................229
1.
2.
3.
4.
Programming the Video Subsystem ...............................................................................................229
Configuring DMA within the CL-PS7500FE....................................................................................230
Cursor.............................................................................................................................................230
Video Frame Buffer Restrictions.....................................................................................................231
C. USING ASTCR AT HIGH MEMCLK FREQUENCIES........................................................232
1.
2.
3.
Using ASTCR .................................................................................................................................232
ASTCR I/O Cycle Type and Hold Times .........................................................................................233
Example..........................................................................................................................................233
D. EXPANDING PC-STYLE I/O TO 32 BITS ..........................................................................234
1.
32-Bit I/O ........................................................................................................................................234
E. CL-PS7500FE VIDEO CLOCK SOURCES.........................................................................236
1.
2.
3.
4.
Introduction.....................................................................................................................................236
Clock Sources ................................................................................................................................236
Using the Phase Comparator .........................................................................................................237
Phase Comparator Reset...............................................................................................................240
4.1
Reset Procedure.............................................................................................................240
F. CL-PS7500FE TEST MODES..............................................................................................241
1.
2.
Introduction.....................................................................................................................................241
Test Modes Description ..................................................................................................................241
G. CL-PS7500FE PINOUT DIFFERENCES FROM THE ARM7500 ......................................243
1.
Introduction.....................................................................................................................................243
INDEX .................................................................................................................................245
June 1997
11
ADVANCE DATA BOOK v2.0
TABLE OF CONTENTS
CIRRUS [ CIRRUS LOGIC ]
