S912XEP100J5MAGR Freescale Semiconductor, S912XEP100J5MAGR Datasheet - Page 452

• Manufacturer Part Number: S912XEP100J5MAGR
• Description: S912XEP Series 16 Bit 50 Mhz 1 MB Flash 64 KB Ram Microcontroller - LQFP-144
• Manufacturer: Freescale Semiconductor

Chapter 10 XGATE (S12XGATEV3)
SSEM
Operation
Attempts to set a semaphore. The state of the semaphore will be stored in the Carry-Flag:
In monadic address mode, bits RS[2:0] select the semaphore to be set.
CCR Effects
Code and CPU Cycles
452
N:
Z:
V:
C:
SSEM #IMM3
SSEM RS
—
N
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
Not affected.
Not affected.
Not affected.
Set if semaphore is locked by the RISC core; cleared otherwise.
—
Z
1 = Semaphore is locked by the RISC core
0 = Semaphore is locked by the S12X_CPU
—
V
Source Form
C
∆
MC9S12XE-Family Reference Manual , Rev. 1.23
Address
Mode
IMM3
MON
Set Semaphore
0
0
0
0
0
0
0
0
0
0
IMM3
Machine Code
RS
1
1
1
1
1
1
1
1
0
0
SSEM
Freescale Semiconductor
0
0
1
1
0
1
Cycles
PA
PA