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TMS320 Datasheet(PDF) 14 Page - Texas Instruments |
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TMS320 Datasheet(HTML) 14 Page - Texas Instruments |
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14 / 69 page ![]() 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 TMS320C25 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 10 100 1 1 I LT Load T register 1 0 01 111 0 0 I LTA Load T register and accumulate previous product 1 0 01 111 0 1 I LTD Load T register, accumulate previous product, and move data 1 0 01 111 1 1 I LTP† Load T register and store P register in accumulator 1 0 01 111 1 0 I LTS† Load T register and subtract previous product 1 0 10 110 1 1 I MAC† Multiply and accumulate 2 0 10 111 0 1 I MACD† Multiply and accumulate with data move 2 0 10 111 0 0 I MPY Multiply (with T register, store product in P register) 1 0 01 110 0 0 I MPYA‡ Multiply and accumulate previous product 1 0 01 110 1 0 I MPYK Multiply immediate 1 1 01 MPYS‡ Multiply and subtract previous product 1 0 01 110 1 1 I MPYU‡ Multiply unsigned 1 1 10 011 1 1 I PAC Load accumulator with P register 1 1 10 011 1 0 0 0 0 1 0 1 0 0 SPAC Subtract P register from accumulator 1 1 10 011 1 0 0 0 0 1 0 1 1 0 SPH‡ Store high P register 1 0 11 111 0 1 I SPL‡ Store low P register 1 0 11 111 0 0 I SPM† Set P register output shift mode 1 1 10 011 1 0 0 0 0 0 1 0 SQRA† Square and accumulate 1 0 01 110 0 1 I SQRS† Square and subtract previous product 1 0 1 0 1 1 0 1 0 I † These instructions are not included in the TMS320C1x instruction set. ‡ These instructions are not included in the TMS32020 instruction set. |
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