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SH7615 数据表(PDF) 86 Page - Renesas Technology Corp |
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SH7615 数据表(HTML) 86 Page - Renesas Technology Corp |
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86 / 925 page ![]() Rev. 2.00, 03/05, page 48 of 884 Table 2.4 Source Register Data Formats for DSP Instructions Register Bits Register Instruction Guard Bits 39 to 32 31 to 16 15 to 0 A0, A1 DSP operation Fixed decimal, PDMSB, PSHA 40-bit data Integer 24-bit data — Logic, PSHL, PMULS — 16-bit data Data transfer MOVX.W, MOVY.W, MOVS.W MOVS.L 32-bit data A0G, A1G MOVS.W Data —— Data transfer MOVS.L X0, X1, Y0, Y1, M0, M1 DSP operation Fixed decimal, PDMSB, PSHA Sign* 32-bit data Integer 16-bit data — Logic, PSHL, PMULS — MOVS.W Data transfer MOVS.L 32-bit data Note: * The sign is extended and stored in the ALU’s guard bits. |
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