MC9S12XDT512CAA Freescale, MC9S12XDT512CAA Datasheet - Page 249

• Manufacturer Part Number: MC9S12XDT512CAA
• Manufacturer: Freescale

Specifications of MC9S12XDT512CAA

• Cpu Family: HCS12
• Device Core Size: 16b
• Frequency (max): 40MHz
• Interface Type: CAN/I2C/SCI/SPI
• Total Internal Ram Size: 32KB
• # I/os (max): 59
• Number Of Timers - General Purpose: 12
• Operating Supply Voltage (typ): 2.5/5V
• Operating Supply Voltage (max): 2.75/5.5V
• Operating Supply Voltage (min): 2.35/3.15V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Program Memory Type: Flash
• Program Memory Size: 512KB
• Lead Free Status / RoHS Status: Compliant

CMP
Operation
RS2 – RS1
RD – IMM16
Subtracts two 16 bit values and discards the result.
CCR Effects
Code and CPU Cycles
Freescale Semiconductor
N:
Z:
V:
C:
CMP RS1, RS2
CMP RS, #IMM16
N
Set if bit 15 of the result is set; cleared otherwise.
Set if the result is $0000; cleared otherwise.
Set if a two´s complement overflow resulted from the operation; cleared otherwise.
RS1[15] & RS2[15] & result[15] | RS1[15] & RS2[15] & result[15]
RD[15] & IMM16[15] & result[15] | RD[15] & IMM16[15] & result[15]
Set if there is a carry from the bit 15 of the result; cleared otherwise.
RS1[15] & RS2[15] | RS1[15] & result[15] | RS2[15] & result[15]
RD[15] & IMM16[15] | RD[15] & result[15] | IMM16[15] & result[15]
Z
V
Source Form
C
NONE (translates to SUB R0, RS1, RS2)
NONE (translates to CMPL RD, #IMM16[7:0]; CPCH RD, #IMM16[15:8])
Address
MC9S12XDP512 Data Sheet, Rev. 2.21
Mode
IMM8
IMM8
TRI
0
1
1
Compare
0
1
1
0
0
0
1
1
1
1
0
1
0
Machine Code
RS
RS
0
0
RS1
IMM16[15:8]
IMM16[7:0]
Chapter 6 XGATE (S12XGATEV2)
RS2
CMP
0
0
Cycles
P
P
P
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