ST10F272M datasheet(48/175 Pages) STMICROELECTRONICS

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Central processing unit (CPU)

ST10F272M

48/176

J(N)B

Jump relative if direct bit is (not) set

JBC

Jump relative and clear bit if direct bit is set

JNBS

Jump relative and set bit if direct bit is not set

CALLA, CALLI,

CALLR

Call absolute/indirect/relative subroutine if condition is met

CALLS

Call absolute subroutine in any code segment

PCALL

Push direct word register onto system stack and call absolute

subroutine

TRAP

Call interrupt service routine via immediate trap number

PUSH, POP

Push/pop direct word register onto/from system stack

SCXT

Push direct word register onto system stack and update register

with word operand

RET

Return from intra-segment subroutine

RETS

Return from inter-segment subroutine

RETP

Return from intra-segment subroutine and pop direct word register

from system stack

RETI

Return from interrupt service subroutine

SRST

Software Reset

IDLE

Enter Idle Mode

PWRDN

Enter Power-down Mode (supposes NMI-pin being low)

SRVWDT

Service Watchdog Timer

DISWDT

Disable Watchdog Timer

EINIT

Signify End-of-Initialization on RSTOUT-pin

ATOMIC

Begin ATOMIC sequence

EXTR

Begin EXTended Register sequence

EXTP(R)

Begin EXTended Page (and Register) sequence

2 / 4

EXTS(R)

Begin EXTended Segment (and Register) sequence

2 / 4

NOP

Null operation

Table 27.

Standard instruction set summary (continued)

Mnemonic

Description

Bytes

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