mc9s12xf512 Freescale Semiconductor, Inc, mc9s12xf512 Datasheet - Page 689
mc9s12xf512
Manufacturer Part Number
mc9s12xf512
Description
S12x Microcontrollers 16-bit Automotive Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S12XF512.pdf
(1306 pages)
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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
Code and CPU Cycles
Freescale Semiconductor
N:
Z:
V:
C:
CSEM #IMM3
CSEM RS
—
N
Not affected.
Not affected.
Not affected.
Not affected.
—
Z
—
V
Source Form
—
C
MC9S12XF - Family Reference Manual, Rev.1.19
Address
Mode
IMM3
MON
Clear Semaphore
0
0
0
0
0
0
0
0
0
0
IMM3
Machine Code
RS
1
1
1
1
1
1
Chapter 14 XGATE (S12XGATEV3)
1
1
CSEM
0
0
0
0
0
0
0
1
Cycles
PA
PA
689
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