MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 283

• Manufacturer Part Number: MC9S12XDT256CAA
• Description: IC MCU 256K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XDT256CAA

• 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: 59
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Processor Series: S12XD
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: CAN/I2C/SCI/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 59
• Number Of Timers: 12
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: EVB9S12XDP512E
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TFR
Operation
TFR RD,CCR: CCR
TFR CCR,RD: RD[3:0]
TFR RD,PC:
Transfers the content of one RISC core register to another.
The TFR RD,PC instruction can be used to implement relative subroutine calls.
Example:
RETADDR ...
SUBR
CCR Effects
Code and CPU Cycles
Freescale Semiconductor
TFR RD,CCR, TFR RD,PC:
N:
Z:
V:
C:
TFR RD,CCR CCR
TFR CCR,RS RS
TFR RD,PCPC+4
—
N
Not affected.
Not affected.
Not affected.
Not affected.
—
Z
TFR
BRA
...
JAL
—
V
Source Form
—
C
PC+4
CCR
RD
RD
R7,PC
SUBR
R7
RD[3:0]; 0
RD
CCR
Transfer from and to Special Registers
;Return address (RETADDR) is stored in R7
;Relative branch to subroutine (SUBR)
;Jump to return address (RETADDR)
MC9S12XDP512 Data Sheet, Rev. 2.21
Address
Mode
MON
MON
MON
RD[15:4]
0
0
0
0
0
0
TFR CCR,RS:
0
0
0
N:
Z:
V:
C:
N
0
0
0
RS[3].
RS[2].
RS[1].
RS[0].
Z
0
0
0
V
Machine Code
RD
RS
RD
C
1
1
1
1
1
1
Chapter 6 XGATE (S12XGATEV2)
1
1
1
1
1
1
1
1
1
0
0
0
TFR
0
0
1
0
1
0
Cycles
P
P
P
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