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M95P16-EXCST/EF Datasheet(PDF) 21 Page - STMicroelectronics |
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M95P16-EXCST/EF Datasheet(HTML) 21 Page - STMicroelectronics |
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21 / 63 page  6 Instructions All instructions can run at the maximum frequency of 80 MHz, except read instructions (READ and RDID), which can run at 50 MHz maximum. Each command is composed of several bytes (the MSB is transmitted first), initiated with the instruction byte as summarized in Table 11. If an invalid instruction (that is, one not contained in Table 11) is sent, the device automatically enters a Wait state until the device or the state is deselected. Table 11. M95P16 instruction set Instruction Number of bytes Frequency (MHz) Name Description Binary code Hex code Address Dummy Data WREN Write enable 0000 0110 06 0 0 0 80 WRDI Write disable 0000 0100 04 0 0 0 RDSR Read Status register 0000 0101 05 0 0 1 (rollover) WRSR Write Status register 0000 0001 01 0 0 1 or 2 READ Read data single output 0000 0011 03 3 0 1 to 4 M (rollover) 50 FREAD Fast read single output with one dummy byte 0000 1011 0B 3 1 80 FDREAD Fast read dual output with one dummy byte 0011 1011 3B 3 1 FQREAD Fast read quad output with one dummy byte 0110 1011 6B 3 1 PGWR Page write (erase and program) 0000 0010 02 3 0 1 to 512 PGPR Page program 0000 1010 0A 3 0 1 to 512 PGER Page erase (512 bytes) 1101 1011 DB 3 0 0 SCER Sector erase (4 Kbytes) 0010 0000 20 3 0 0 BKER Block erase (64 Kbytes) 1101 1000 D8 3 0 0 CHER Chip erase 1100 0111 C7 0 0 0 RDID Read identification (EE) 1000 0011 83 3 0 1 to 1024 (rollover) 50 FRDID Fast read identification (EE) 1000 1011 8B 3 1 80 WRID Write identification page (EE) 1000 0010 82 3 0 1 to 512 DPD Deep power-down enter 1011 1001 B9 0 0 0 RDPD Deep power-down release 1010 1011 AB 0 0 0 JEDID JEDEC identification (SF) 1001 1111 9F 0 0 3 RDCR Read configuration and safety register 0001 0101 15 0 0 2 (rollover) RDVR Read Volatile register 1000 0101 85 0 0 1 WRVR Write Volatile register 1000 0001 81 0 0 1 CLRSF Clear safety sticky flags 0101 0000 50 0 0 0 RDSFDP Read SFDP 0101 1010 5A 3 1 1 to 512 (rollover) RSTEN Enable reset 0110 0110 66 0 0 0 RESET Software reset 1001 1001 99 0 0 0 M95P16-I M95P16-E Instructions DS13710 - Rev 1 page 21/63 |
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