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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ATmega162 датащи(PDF) 235 Page - ATMEL Corporation |
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ATmega162 датащи(HTML) 235 Page - ATMEL Corporation |
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235 / 324 page  235 2513K–AVR–07/09 ATmega162/V Table 101. Pin Name Mapping Signal Name in Programming Mode Pin Name I/O Function RDY/BSY PD1 O 0: Device is busy programming, 1: Device is ready for new command OE PD2 I Output Enable (Active low) WR PD3 I Write Pulse (Active low) BS1 PD4 I Byte Select 1 (“0” selects low byte, “1” selects high byte) XA0 PD5 I XTAL Action Bit 0 XA1 PD6 I XTAL Action Bit 1 PAGEL PD7 I Program Memory and EEPROM data Page Load BS2 PA0 I Byte Select 2 (“0” selects low byte, “1” selects 2’nd high byte) DATA PB7 - 0 I/O Bi-directional Data bus (Output when OE is low) Table 102. 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 103. XA1 and XA0 Coding XA1 XA0 Action when XTAL1 is Pulsed 0 0 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 |
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