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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ATtiny45 Datenblatt(PDF) 141 Page - ATMEL Corporation |
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ATtiny45 Datenblatt(HTML) 141 Page - ATMEL Corporation |
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141 / 196 page  141 7598H–AVR–07/09 ATtiny25/45/85 Note: a = address high bits, b = address low bits, H = 0 - Low byte, 1 - High Byte, o = data out, i = data in, x = don’t care Load EEPROM Memory Page (page access) 1100 0001 0000 0000 0000 00bb iiii iiii Load data i to EEPROM memory page buffer. After data is loaded, program EEPROM page. Write EEPROM Memory Page (page access) 1100 0010 00xx xxxx xxbb bb00 xxxx xxxx Write EEPROM page at address b. Read Lock bits 0101 1000 0000 0000 xxxx xxxx xxoo oooo Read Lock bits. “0” = programmed, “1” = unprogrammed. See Table 21-1 on page 134 for details. Write Lock bits 1010 1100 111x xxxx xxxx xxxx 11ii iiii Write Lock bits. Set bits = “0” to program Lock bits. See Table 21-1 on page 134 for details. Read Signature Byte 0011 0000 000x xxxx xxxx xxbb oooo oooo Read Signature Byte o at address b. Write Fuse bits 1010 1100 1010 0000 xxxx xxxx iiii iiii Set bits = “0” to program, “1” to unprogram. See Table 21-5 on page 136 for details. Write Fuse High bits 1010 1100 1010 1000 xxxx xxxx iiii iiii Set bits = “0” to program, “1” to unprogram. See Table 21-4 on page 135 for details. Write Extended Fuse Bits 1010 1100 1010 0100 xxxx xxxx xxxx xxxi Set bits = “0” to program, “1” to unprogram. See Table 21-3 on page 135 for details. Read Fuse bits 0101 0000 0000 0000 xxxx xxxx oooo oooo Read Fuse bits. “0” = programmed, “1” = unprogrammed. See Table 21-5 on page 136 for details. Read Fuse High bits 0101 1000 0000 1000 xxxx xxxx oooo oooo Read Fuse High bits. “0” = pro-grammed, “1” = unprogrammed. See Table 21-4 on page 135 for details. Read Extended Fuse Bits 0101 0000 0000 1000 xxxx xxxx oooo oooo Read Extended Fuse bits. “0” = pro-grammed, “1” = unprogrammed. See Table 21-3 on page 135 for details. Read Calibration Byte 0011 1000 000x xxxx 0000 0000 oooo oooo Read Calibration Byte Poll RDY/BSY 1111 0000 0000 0000 xxxx xxxx xxxx xxxo If o = “1”, a programming operation is still busy. Wait until this bit returns to “0” before applying another command. Table 21-10. Serial Programming Instruction Set Instruction Instruction Format Operation Byte 1 Byte 2 Byte 3 Byte4 |
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