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TMS320C80GF Datasheet(PDF) 22 Page - Texas Instruments

Part #	TMS320C80GF

Description	DIGITAL SIGNAL PROCESSOR

PDF	171 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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TMS320C80GF Datasheet(HTML) 22 Page - Texas Instruments

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TMS320C80

DIGITAL SIGNAL PROCESSOR

SPRS023B – JULY 1994 – REVISED OCTOBER 1997

19

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

MP general-purpose registers (continued)

Zero/Discard

Not Available

R1

Not Available

R2

R2 R3

R3

R2, R3

R4

R4 R5

R5

R4, R5

• • •

• • •

R30

R30 R31

R31

R30, R31

32-Bit Registers

64-Bit Register Pairs

Figure 4. MP General-Purpose Registers

The 32-bit registers can contain signed-integer, unsigned-integer, or single precision floating-point values.

Signed and unsigned bytes and halfwords are sign extended or zero-filled. Doublewords may be stored in a

64-bit even/odd register pair. Double-precision floating-point values are referenced using the even register

number or the register pair. Figure 5 through Figure 7 show the register data formats.

Si

l P

i i

31

22

0

Single Precision

Floating Point

S

E

E

E

E

E

E

E

E M M M M M M M M M M M M M M M M M M M M M M M

Floating Point

MS

LS

Si

d 32 bit

31

0

Signed 32-bit

Integer

S

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Integer

MS

LS

Unsigned 32 Bit

31

0

Unsigned 32-Bit

Integer

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

U

Integer

MS

LS

Figure 5. MP Register 32-Bit Data Formats

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