DP805X データシートの表示（PDF） - Digital Core Design

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DP805X

Pipelined High Performance Microcontroller

Digital Core Design 

DP805x Instructions set details

3.4. AJMP

- 19 -

Instruction: AJMP addr11

Function: Absolute jump

Description:

AJMP transfers program execution to the indicated address, which is

formed at run- time by concatenating the high-order five bits of the PC

(after incrementing the PC twice), op code bits 7-5, and the second byte

of the instruction. The destination must therefore be within the same 2K

block of program memory as the first byte of the instruction following

AJMP.

Operation:

(PC)

← (PC) + 2

(PC10-0) ← page address

Bytes:

2

Cycles:

3

Encoding:

a10 a9 a8 0 0 0 0 1 a7 a6 a5 a4 a3 a2 a1 a0

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