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数据搜索系统，热门电子元器件搜索 |
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PM0214 数据表(PDF) 90 Page - STMicroelectronics |
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PM0214 数据表(HTML) 90 Page - STMicroelectronics |
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90 / 245 page  The STM32 Cortex-M4 instruction set PM0214 90/245 DocID022708 Rev 4 3.5.7 MOVT Move top. Syntax MOVT{cond} Rd, #imm16 where: • ‘cond’ is an optional condition code (see Conditional execution on page 64) • ‘Rd’ is the destination register • ‘imm16’ is a 16-bit immediate constant Operation MOVT writes a 16-bit immediate value, imm16, to the top halfword, Rd[31:16], of its destination register. The write does not affect Rd[15:0]. The MOV, MOVT instruction pair enables you to generate any 32-bit constant. Restrictions Rd must be neither SP nor PC. Condition flags This instruction does not change the flags. Examples MOVT R3, #0xF123 ; write 0xF123 to upper halfword of R3, ; lower halfword and APSR are unchanged |
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