ATtiny10/11/12
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ATtiny12
Atmel’s ATtiny12 offers 1K bytes of in-system reprogrammable Flash Program memory and 64 bytes of in-system repro-
grammable EEPROM Data memory.
The ATtiny12 is shipped with the on-chip Flash Program and EEPROM Data memory arrays in the erased state (i.e.
contents = $FF) and ready to be programmed.
This device supports a high-voltage (12V) serial programming mode and a low-voltage serial programming mode. The
+12V is used for programming enable only, and no current of significance is drawn by this pin. The Low-voltage Serial Pro-
gramming mode provides a convenient way to download program and data into the ATtiny12 inside the user’s system.
The program and data memory arrays in the ATtiny12 are programmed byte-by-byte in either programming mode. For the
EEPROM, an auto-erase cycle is provided within the self-timed write instruction in the Low-voltage Serial Programming
mode.
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