S912XEP100J5MAG Datasheet, PDF (427/1324 Pages) Freescale Semiconductor, Inc – Features of the MC9S12XE-Family are listed here. Please see Table D-2.for memory options and Table D-2. for the peripheral features that are available on the different family members.

CSEM
Clear Semaphore
Chapter 10 XGATE (S12XGATEV3)
CSEM
Operation
Unlocks a semaphore that was locked by the RISC core.
In monadic address mode, bits RS[2:0] select the semaphore to be cleared.
CCR Effects
NZVC
————
N: Not affected.
Z: Not affected.
V: Not affected.
C: Not affected.
Code and CPU Cycles
Source Form
CSEM #IMM3
CSEM RS
Address
Mode
IMM3
MON
00000
00000
Machine Code
Cycles
IMM3 1 1 1 1 0 0 0 0 PA
RS 1 1 1 1 0 0 0 1 PA
MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor
427