S912XEG128J2VAL
Model | S912XEG128J2VAL |
Description | IC,MICROCONTROLLER,16-BIT,CPU12 CPU,CMOS,QFP,112PIN,PLASTIC |
PDF file | Total 1327 pages (File size: 7M) |
Chip Manufacturer | ROCHESTER |
Chapter 10 XGATE (S12XGATEV3)
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
N
Z
V
C
—
N:
Z:
V:
C:
—
—
—
Not affected.
Not affected.
Not affected.
Not affected.
Code and CPU Cycles
Source Form
CSEM #IMM3
CSEM RS
Address
Mode
IMM3
MON
0
0
0
0
0
0
0
0
0
0
Machine Code
IMM3
RS
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
Cycles
PA
PA
MC9S12XE-Family Reference Manual , Rev. 1.19
Freescale Semiconductor
425
Because of an order from the United States International Trade Commission, BGA-packaged product lines and part numbers indicated here currently are not
available from Freescale for import or sale in the United States prior to September 2010: S12XE products in 208 MAPBGA packages
CSEM
Clear Semaphore
CSEM