MC68340 datasheet(167/441 Pages) FREESCALE

Part #	MC68340

Description	Integrated Processor with DMA User?셲 Manual

PDF	441 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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MC68340 USER’S MANUAL

MOTOROLA

Two additional examples show how TBLSN can reduce cumulative error when multiple

table lookup and interpolation operations are used in a calculation. Example 4

demonstrates addition of the results of three table interpolations. Example 5 illustrates use

of TBLSN in surface interpolation.

5.3.4.1 TABLE EXAMPLE 1: STANDARD USAGE. The table consists of 257 word

entries. As shown in Figure 5-7, the function is linear within the range 32768

≤ X ≤ 49152.

Table entries within this range are as given in Table 5-13 .

Table 5-13. Standard Usage Entries

Entry Number

X Value

Y Value

128*

32768

1311

162

41472

1659

163

41728

1669

164

41984

1679

165

42240

1690

192*

49152

1966

These values are the end points of the range.

All entries between these points fall on the line.

16384

32768

49152

65536

INDEPENDENT VARIABLE

Figure 5-7. Table Example 1

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