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TMS320F Datasheet(PDF) 208 Page - Texas Instruments |
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TMS320F Datasheet(HTML) 208 Page - Texas Instruments |
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208 / 389 page ![]() MACD Multiply and Accumulate With Data Move 7-108 Cycles for a Repeat (RPT) Execution of an MACD Instruction (Continued) Operand External SARAM DARAM ROM Operand 1: External Operand 2: DARAM n+2+npop1 n+2+npop1 n+2+npop1 n+2+npop1+2pcode Operand 1: DARAM/ ROM Operand 2: SARAM 2n 2n 2n 2n+2† 2n+2pcode Operand 1: SARAM Operand 2: SARAM 2n 3n‡ 2n 3n‡ 2n 2n+2† 3n‡ 3n+2§ 2n+2pcode 3n‡ Operand 1: External Operand 2: SARAM 2n+npop1 2n+npop1 2n+npop1 2n+2+npop1† 2n+npop1+2pcode Operand 1: DARAM/ ROM Operand 2: External¶ n+2+ndop2 n+2+ndop2 n+2+ndop2 n+2+ndop2+2pcode Operand 1: SARAM Operand 2: External¶ n+2+ndop2 n+2+ndop2 n+2+ndop2 n+2+ndop2+2pcode Operand 1: External Operand 2: External¶ 2n+2+npop1+ ndop2 2n+2+npop1+ndop2 2n+2+npop1+ndop2 2n+2+npop1+ndop2+ 2pcode † If operand 2 and code are in the same SARAM block ‡ If both operands are in the same SARAM block § If both operands and code are in the same SARAM block ¶ Data move operation is not performed when operand2 is in external data memory. Example 1 MACD 0FF00h,08h ;(DP = 6: addresses 0300h–037Fh, ;PM = 0: no shift of product, ;CNF = 1: RAM B0 configured to ;program memory). Before Instruction After Instruction Data Memory Data Memory 308h 23h 308h 23h Data Memory Data Memory 309h 18h 309h 23h Program Memory Program Memory FF00h 4h FF00h 4h TREG 45h TREG 23h PREG 458972h PREG 8Ch ACC X 723EC41h ACC 0 76975B3h CC |
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