GC5318 Datasheet, PDF (3/45 Pages) Texas Instruments – HIGH-DENSITY DIGITAL UPCONVERTER

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GC5318
HIGH-DENSITY DIGITAL UPCONVERTER
SLWS187 – JULY 2006
Contents
1 Introduction ............................................... 1
1.1 Features .............................................. 1
1.1.1 Description ........................................... 1
1.1.2 Functional Block Diagram............................ 2
1.1.3 Package/Ordering Information ....................... 2
2 GC5318 Operation ....................................... 4
2.1 Digital Upconvert Block (DUC) ....................... 5
2.2 Sum Chain Shifting and Rounding .................. 21
2.3 GC5318 Output Interface ........................... 24
3 GC5318 General Control .............................. 25
3.1 Control Data, Address, and Strobes ................ 26
3.2 MPU Timing Diagrams .............................. 26
3.3 Interrupt Handling ................................... 27
3.4 Sync Signals ........................................ 27
3.5 Initialization.......................................... 28
3.6 GC5318 Board Diagnostics ......................... 28
4 GC5318 Programming................................. 28
4.1 cmd5318 Keywords ................................. 29
5 GC5318 Pin Description............................... 37
5.1 Signals .............................................. 37
5.2 Microprocessor Signals ............................. 39
5.3 JTAG Signals........................................ 40
5.4 Factory Test and No Connect Signals .............. 40
5.5 Power and Ground Signals.......................... 40
5.6 Power Monitoring.................................... 40
5.7 JTAG ................................................ 41
6 Specifications ........................................... 41
6.1 Absolute Maximum Ratings ......................... 41
6.2 Recommended Operating Conditions ............... 41
6.3 Thermal Characteristics ............................. 42
6.4 Power Consumption................................. 42
6.5 DC Operating Conditions............................ 42
6.6 AC Characteristics .................................. 43
Contents
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