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Maxim Integrated 20-18

MAX31782 User’s Guide

Revision 0; 8/11

POPI dst Pop Word from the Stack Enable Interrupts

Description: Pops a single word from the stack (@SP) to the specified dst and decrements the stack pointer

(SP). Additionally, POPI returns the interrupt logic to a state in which it can acknowledge additional

interrupts.

Status Flags: S, Z (if dst = Acc or AP or APC)

C, E (if dst = PSF)

Operation: dst ← @ SP--

INS ← 0

Encoding:

15 0

1ddd dddd

1000 1101

Example(s): See POP

PUSH src Push Word to the Stack

Description: Increments the stack pointer (SP) and pushes a single word specified by src to the stack (@SP).

Status Flags: None

Operation: SP ← ++SP

Encoding:

15 0

f000 1101

ssss ssss

Example(s): PUSH GR ; GR=0F3Fh

PUSH #40h

Stack Data:

xxxxh

0040h

← SP (after PUSH #40h)

0F3F

← SP (after PUSH GR)

xxxxh

← SP (initial)

xxxxh

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Maxim-integrated MAX31782 Bedienungsanleitung Seite 201