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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST7LUS5 датащи(PDF) 84 Page - STMicroelectronics |
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ST7LUS5 датащи(HTML) 84 Page - STMicroelectronics |
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84 / 124 page  Instruction set ST7LUS5, ST7LU05, ST7LU09 84/124 11.1.2 Immediate Immediate instructions have 2 bytes: The first byte contains the opcode. The second byte contains the operand value. 11.1.3 Direct In Direct instructions, the operands are referenced by their memory address. The direct addressing mode consists of two submodes: Direct (Short) The address is a byte, thus requires only 1 byte after the opcode, but only allows 00 - FF addressing space. Direct (Long) The address is a word, thus allowing 64 Kbyte addressing space, but requires 2 bytes after the opcode. 11.1.4 Indexed (No Offset, Short, Long) In this mode, the operand is referenced by its memory address, which is defined by the unsigned addition of an index register (X or Y) with an offset. The indirect addressing mode consists of three submodes: Indexed (No Offset) There is no offset (no extra byte after the opcode), and allows 00 - FF addressing space. Indexed (Short) The offset is a byte, thus requires only 1 byte after the opcode and allows 00 - 1FE addressing space. Indexed (Long) The offset is a word, thus allowing 64 Kbyte addressing space and requires 2 bytes after the opcode. Table 56. Immediate instructions Instruction Function LD Load CP Compare BCP Bit Compare AND, OR, XOR Logical Operations ADC, ADD, SUB, SBC Arithmetic Operations |
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