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SH79F166AP/044PR Datasheet(PDF) 24 Page - SINOWEALTH Electronic Ltd |
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SH79F166AP/044PR Datasheet(HTML) 24 Page - SINOWEALTH Electronic Ltd |
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24 / 113 page  SH79F166A 24 7.4 SSP Function The SH79F166A provides SSP (Self Sector Programming) function, each sector can be sector erased or programmed by the user’s code if the selected sector is not be protected. But once sector has been programmed, it cannot be reprogrammed before sector erase. The SH79F166A builds in a complex control flow to prevent the code from carelessly modification. If the dedicated conditions are not met (IB_CON2-5), the SSP will be terminated. 7.4.1 SSP Register Table 7.4 Offset Register for Programming F7H Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 XPAGE - - XPAGE.5 XPAGE.4 XPAGE.3 XPAGE.2 XPAGE.1 XPAGE.0 R/W - - R/W R/W R/W R/W R/W R/W Reset Value (POR/WDT/LVR/PIN) - - 0 0 0 0 0 0 For Flash memory, one sector is 1024 bytes Bit Number Bit Mnemonic Description 5-2 XPAGE[5:2] Sector of the flash memory to be programmed, 000000---means sector 0, and so on 1-0 XPAGE[1:0] High Address of Offset of the flash memory sector to be programmed For EEPROM-like memory, one sector is 256 bytes Bit Number Bit Mnemonic Description 5-2 XPAGE[5:2] Reserved 1-0 XPAGE[1:0] Sector of the flash memory to be programmed, 00---means sector 0, and so on Table 7.5 Offset of Flash Memory for Programming FBH, Bank0 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 IB_OFFSET IB_OFF SET.7 IB_OFF SET.6 IB_OFF SET.5 IB_OFF SET.4 IB_OFF SET.3 IB_OFF SET.2 IB_OFF SET.1 IB_OFF SET.0 R/W R/W R/W R/W R/W R/W R/W R/W R/W Reset Value (POR/WDT/LVR/PIN) 0 0 0 0 0 0 0 0 Bit Number Bit Mnemonic Description 7-0 IB_OFFSET[7:0] Low Address of Offset of the flash memory sector to be programmed Table 7.6 Data Register for Programming FCH, Bank0 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 IB_DATA IB_DATA.7 IB_DATA.6 IB_DATA.5 IB_DATA.4 IB_DATA.3 IB_DATA.2 IB_DATA.1 IB_DATA.0 R/W R/W R/W R/W R/W R/W R/W R/W R/W Reset Value (POR/WDT/LVR/PIN) 0 0 0 0 0 0 0 0 Bit Number Bit Mnemonic Description 7-0 IB_DATA[7:0] Data to be programmed |
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