ATMEGA161-8PC View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

ATMEGA161-8PC

8-bit Microcontroller with 16K Bytes of In-System Programmable Flash

Atmel Corporation 

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I/O Direct

Figure 11. I/O Direct Addressing

ATmega161(L)

Operand address is contained in 6 bits of the instruction word. n is the destination or source register address.

Data Direct

Figure 12. Direct Data Addressing

31

20 19

16

OP

Rr/Rd

16 LSBs

15

0

Data Space

$0000

$FFFF

A 16-bit Data Address is contained in the 16 LSBs of a two-word instruction. Rd/Rr specify the destination or source

register.

13

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