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ATmega169P 数据表(PDF) 300 Page - ATMEL Corporation |
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ATmega169P 数据表(HTML) 300 Page - ATMEL Corporation |
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300 / 393 page  300 8018N–AVR–08/09 ATmega169P Table 27-10. Pin Values Used to Enter Programming Mode Pin Symbol Value PAGEL Prog_enable[3] 0 XA1 Prog_enable[2] 0 XA0 Prog_enable[1] 0 BS1 Prog_enable[0] 0 Table 27-11. XA1 and XA0 Coding XA1 XA0 Action when XTAL1 is Pulsed 00 Load Flash or EEPROM Address (High or low address byte determined by BS1). 0 1 Load Data (High or Low data byte for Flash determined by BS1). 1 0 Load Command 1 1 No Action, Idle Table 27-12. Command Byte Bit Coding Command Byte Command Executed 1000 0000 Chip Erase 0100 0000 Write Fuse bits 0010 0000 Write Lock bits 0001 0000 Write Flash 0001 0001 Write EEPROM 0000 1000 Read Signature Bytes and Calibration byte 0000 0100 Read Fuse and Lock bits 0000 0010 Read Flash 0000 0011 Read EEPROM |
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