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Texas Instruments TMS320 User Manual

Texas Instruments TMS320
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NO.
WORDS
DESCRIPTION
INSTRUCTION BIT CODE
MNEMONIC
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
PM
K
TMS320 SECOND GENERATION
DIGITAL SIGNAL PROCESSORS
SPRS010B MAY 1987 REVISED NOVEMBER 1990
POST OFFICE BOX 1443 HOUSTON, TEXAS 77001
14
Table 3. TMS320C25 Instruction Set Summary (continued)
T REGISTER, P REGISTER, AND MULTIPLY INSTRUCTIONS
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
APAC Add P register to accumulator 1 1 1 0 0 1 1 1 0 0 0 0 1 0 1 0 1
LPH
Load high P register 1 0 1010011I
LT Load T register 1 0 0111100I
LTA Load T register and accumulate previous product 1 0 0111101I
LTD
Load T register, accumulate previous product,
and move data
1
0 0111111I
LTP
Load T register and store P register in
accumulator
1
0 0111110I
LTS
Load T register and subtract previous product 1 0 1011011I
MAC
Multiply and accumulate 2 0 1011101I
MACD
Multiply and accumulate with data move 2 0 1011100I
MPY
Multiply (with T register, store product in
P register)
1
0 0111000I
MPYA
Multiply and accumulate previous product 1 0 0111010I
MPYK Multiply immediate 1 1 01
MPYS‡
Multiply and subtract previous product 1 0 0111011I
MPYU‡
Multiply unsigned 1 1 1001111I
PAC Load accumulator with P register 1 1 100111000010100
SPAC Subtract P register from accumulator 1 1 100111000010110
SPH
Store high P register 1 0 1111101I
SPL
Store l ow P register 1 0 1111100I
SPM
Set P register output shift mode 1 1 1001110000010
SQRA
Square and accumulate 1 0 0111001I
SQRS
Square and subtract previous product 1 0 1 0 1 1 0 1 0 I
These i nstructions are not included in the TMS320C1x instruction set.
These i nstructions are not included in the TMS32020 instruction set.

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Texas Instruments TMS320 Specifications

General IconGeneral
BrandTexas Instruments
ModelTMS320
CategoryComputer Hardware
LanguageEnglish

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