attiny167-esxz ATMEL Corporation, attiny167-esxz Datasheet - Page 213

• Manufacturer Part Number: attiny167-esxz
• Description: 8-bit Avr 8-bit Microcontroller Microcontroller With 16k Bytes In-system Programmable Flash And Lin Controller
• Manufacturer: ATMEL Corporation

20.2.6
7728A–AUTO–07/08
Programming Time for Flash when Using SPM
2. Keep the AVR core in Power-down sleep mode during periods of low Vcc. This will pre-
The calibrated RC Oscillator is used to time Flash accesses.
gramming time for Flash accesses from the CPU.
Table 20-2.
Flash write (Page Erase, Page Write, and
write Lock bits by SPM)
used. If a reset occurs while a write operation is in progress, the write operation will be
completed provided that the power supply voltage is sufficient.
vent the CPU from attempting to decode and execute instructions, effectively protecting
the SPMCSR Register and thus the Flash from unintentional writes.
SPM Programming Time
Symbol
Min Programming Time
3.7 ms
Table 20-2
Max Programming Time
shows the typical pro-
ATtiny167
4.5 ms
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