Texas Instrument Incorporated

-iv -

GC2011A 3.3V DIGITAL FILTER CHIP

SLWS129A

This document contains information which may be changed at any time without notice

LIST OF FIGURES

Figure 1:

GC2011a Block Diagram ............................................................................................................... 1

Figure 2:

Basic Transversal Filters ................................................................................................................ 5

Figure 3:

Control I/O Timing .......................................................................................................................... 7

Figure 4:

16 Cell Filter Path Block Diagram .................................................................................................. 8

Figure 5:

The Filter Cell ................................................................................................................................. 9

Figure 6:

I/O Timing ..................................................................................................................................... 13

Figure 7:

Input Timing ................................................................................................................................. 28

Figure 8:

Output Timing ............................................................................................................................... 28

Figure 9:

Processing Complex Input Data ................................................................................................... 40

LIST OF TABLES

Table 1:

Default Control Register Settings ................................................................................................. 13

Table 2:

Full Rate Mode Control Register Settings .................................................................................... 14

Table 3:

Half Rate Mode Control Register Settings ................................................................................... 15

Table 4:

Quarter Rate Mode Control Register Settings ............................................................................. 16

Table 5:

Double Rate Mode Control Register Settings .............................................................................. 16

Table 6:

Decimation Mode Control Register Settings ................................................................................ 17

Table 7:

Interpolation Mode Control Register Settings .............................................................................. 18

Table 8:

Hilbert Transform Mode Control Register Settings ...................................................................... 19

Table 9:

Real To Complex Conversion Mode Control Register Settings ................................................... 20

Table 10:

Complex To Real Conversion Mode Control Register Settings ................................................... 21

Table 11:

Diagnostic Test Configuration ...................................................................................................... 22

Table 12:

Expected Test Results ................................................................................................................. 22

Table 13:

Pin Listing For 160 Pin QFP Package .......................................................................................... 24

Table 14:

Pin Listing For 160 Pin BGA Package

Table 15:

Mask Revisions ............................................................................................................................ 35

Table 16:

Absolute Maximum Ratings ......................................................................................................... 36

Table 17:

Recommended Operating Conditions .......................................................................................... 36

Table 18:

Thermal Data ............................................................................................................................... 36

Table 19:

DC Operating Conditions ............................................................................................................. 37

Table 20:

AC Characteristics ........................................................................................................................ 38