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PSD813F1 数据表(PDF) 20 Page - STMicroelectronics |
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PSD813F1 数据表(HTML) 20 Page - STMicroelectronics |
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20 / 110 page  PSD813F1 20/110 Table 8. Instructions Note: 1. Additional sectors to be erased must be entered within 80 µs. A Sector Address is any address within the Sector. 2. Flash and EEPROM Sector Selects are active high. Addresses A15-A12 are don’t cares in Instruction Bus Cycles. 3. The Reset instruction is required to return to the normal READ mode if DQ5 goes high or after reading the Flash Identifier or Pro- tection status. 4. The MCU cannot invoke these instructions while executing code from EEPROM. The MCU must be operating from some other memory when these instructions are performed. 5. The MCU cannot invoke these instructions while executing code from the same Flash memory for which the instruction is intended. The MCU must operate from some other memory when these instructions are executed. 6. Writing to OTP Row is allowed only when SDP mode is disabled. Instruction EEPROM Sector Select (EESi) Flash Sector Select (FSi)(2) Cycle 1 Cycle 2 Cycle 3 Cycle 4 Cycle 5 Cycle 6 Cycle 7 Read Flash Identifier3,5 01 AAh@ X555h 55h@ XAAAh 90h@ X555h Read Identifier with (A6,A1,A0 at 0,0,1) Read OTP row4 10 AAh@ X555h 55h@ XAAAh 90h@ X555h Read byte 1 Read byte 2 Read byte N Read Sector Protection Status3,5 01 AAh@ X555h 55h@ XAAAh 90h@ X555h Read identifier with (A6, A1; A0 = 0,1,0) Program a Flash Byte5 01 AAh@ X555h 55h@ XAAAh A0h@ X555h Data@ address Erase one Flash Sector5 01 AAh@ X555h 55h@ XAAAh 80h@ X555h AAh@ X555h 55h@ XAAAh 30h@ Sector address 30h@ Sector address1 Erase the Whole Flash5 01 AAh@ X555h 55h@ XAAAh 80h@ X555h AAh@ X555h 55h@ XAAAh 10h@ X555h Suspend Sector Erase5 01 B0h@ XXXXh Resume Sector Erase5 01 30h@ XXXXh EEPROM Power Down4 10 AAh@ X555h 55h@ XAAAh 30h@ X555h SDP Enable/ EEPROM Write4 10 AAh@ X555h 55h@ XAAAh A0h@ X555h Write byte 1 Write byte 2 Write byte N SDP Disable4 10 AAh@ X555h 55h@ XAAAh 80h@ X555h AAh@ X555h 55h@ XAAAh 20h@ X555h Write in OTP Row4,6 10 AAh@ X555h 55h@ XAAAh B0h@ X555h Write byte 1 Write byte 2 Write byte N Return (from OTP Read or EEPROM Power-Down)4 10 F0h@ XXXX Reset3.5 01 AAh@ X555h 55h@ XAAAh F0h@ XXXX Reset (short instruction)5 01 F0h@ XXXX |
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