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A29010B Datasheet(PDF) 7 Page - AMIC Technology |
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A29010B Datasheet(HTML) 7 Page - AMIC Technology |
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7 / 30 page ![]() A29010B Series PRELIMINARY (June, 2016, Version 0.0) 6 AMIC Technology, Corp. Autoselect Mode The autoselect mode provides manufacturer and device identification, and sector protection verification, through identifier codes output on I/O7 - I/O0. This mode is primarily intended for programming equipment to automatically match a device to be programmed with its corresponding programming algorithm. However, the autoselect codes can also be accessed in-system through the command register. When using programming equipment, the autoselect mode requires VID (9.5V to 11.5 V) on address pinA9. Address pins A6, A1, and A0 must be as shown in Autoselect Codes (High Voltage Method) table. In addition, when verifying sector protection, the sector address must appear on the appropriate highest order address bits. Refer to the corresponding Sector Address Tables. The Command Definitions table shows the remaining address bits that are don't care. When all necessary bits have been set as required, the programming equipment may then read the corresponding identifier code on I/O7 - I/O0.To access the autoselect codes in-system, the host system can issue the autoselect command via the command register, as shown in the Command Definitions table. This method does not require VID. See "Command Definitions" for details on using the autoselect mode. Table 3. A29010B Autoselect Codes (High Voltage Method) Description A16 - A15 A14 - A10 A9 A8 - A7 A6 A5 - A2 A1 A0 Identifier Code on I/O7 - I/O0 Manufacturer ID: AMIC X X VID X VIL X VIL VIL 37h Device ID: A29010B X X VID X VIL X VIL VIH A4h 01h (protected) Sector Protection Verification Sector Address X VID X VIL X VIH VIL 00h (unprotected) Continuation ID X X VID X VIL X VIH VIH 7Fh Note: CE =VIL, OE =VIL and WE =VIH when Autoselect Mode |
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