atmega161-4pi ATMEL Corporation, atmega161-4pi Datasheet - Page 145

• Manufacturer Part Number: atmega161-4pi
• Description: 8-bit Microcontroller With 16k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

Notes:
1228D–AVR–02/07
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
2. Some of the Status Flags are cleared by writing a logical “1” to them. Note that the CBI and SBI instructions will operate on
should never be written.
all bits in the I/O Register, writing a one back into any flag read as set, thus clearing the flag. The CBI and SBI instructions
work with registers $00 to $1F only.
ATmega161(L)
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