mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 254
mc9s12xd256
Manufacturer Part Number
mc9s12xd256
Description
Hcs12x Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S12XD256.pdf
(1350 pages)
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Chapter 6 XGATE (S12XGATEV2)
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
254
N:
Z:
V:
C:
CSEM #IMM3
CSEM RS
—
N
Not affected.
Not affected.
Not affected.
Not affected.
—
Z
—
V
Source Form
—
C
Address
MC9S12XDP512 Data Sheet, Rev. 2.17
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
1
1
CSEM
0
0
Freescale Semiconductor
0
0
0
0
0
1
Cycles
PA
PA
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