MC9S12XD256VAG Freescale Semiconductor, MC9S12XD256VAG Datasheet - Page 254

• Manufacturer Part Number: MC9S12XD256VAG
• Description: IC MCU 256K FLASH 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XD256VAG

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 119
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 14K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 24x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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. 2.21
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