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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M95040-DRMF3TP датащи(PDF) 14 Page - STMicroelectronics |
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M95040-DRMF3TP датащи(HTML) 14 Page - STMicroelectronics |
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14 / 41 page  Instructions M95040-A125 M95040-A145 14/41 DocID024225 Rev 6 4 Instructions Each command is composed of bytes (MSBit transmitted first), initiated with the instruction byte, as summarized in Table 5. If an invalid instruction is sent (one not contained in Table 5), the device automatically enters a Wait state until deselected. For read and write commands to memory array and Identification Page, the address is defined by two bytes as explained in Table 6. Table 5. Instruction set Instruction Description Instruction format WREN Write Enable 0000 X110(1) 1. X = Don’t Care. WRDI Write Disable 0000 X100(1) RDSR Read Status Register 0000 X101(1) WRSR Write Status Register 0000 X001(1) READ Read from Memory Array 0000 A8011(2) 2. A8 = 1 for the upper half of the memory array, and 0 for the lower half. WRITE Write to Memory Array 0000 A8010(2) RDID Read Identification Page 1000 0011 WRID Write Identification Page 1000 0010 RDLS Reads the Identification Page lock status. 1000 0011 LID Locks the Identification page in read-only mode. 1000 0010 Table 6. Significant bits within the address byte(1)(2) Instructions Bit b3 of the instruction byte LSB Address byte b7 b6 b5 b4 b3 b2 b1 b0 READ or WRITE x xxxxxx A8 A7 A6 A5 A4 A3 A2 A1 A0 RDID or WRID 00 000000 000 A4 A3 A2 A1 A0 RDLS or LID 00 000000 10000 000 1. A: Significant address bit. 2. x: bit is Don’t Care. |
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