MC9S12XDT256MAA Freescale Semiconductor, MC9S12XDT256MAA Datasheet - Page 292

• Manufacturer Part Number: MC9S12XDT256MAA
• Description: IC MCU 256K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XDT256MAA

• 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 ~ 125°C
• Package / Case: 80-QFP
• Cpu Family: HCS12
• Device Core Size: 16b
• Frequency (max): 40MHz
• Interface Type: CAN/I2C/SCI/SPI
• Total Internal Ram Size: 16KB
• # 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 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Processor Series: S12XD
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 59
• Number Of Timers: 12
• Operating Supply Voltage: 0 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: EVB9S12XDP512E
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 6 XGATE (S12XGATEV2)
XGSWT
XGSEM
RPAGE
RAM_SIZE
RAM_START
RAM_START_XG
RAM_START_GLOB
XGATE_VECTORS
XGATE_VECTORS_XG
XGATE_DATA
XGATE_DATA_XG
XGATE_CODE
XGATE_CODE_XG
BUS_FREQ_HZ
START_OF_CODE
INIT_SCI
INIT_INT
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;###########################################
;#
;###########################################
ORG
DW
ORG
DW
;###########################################
;#
;###########################################
ORG
DW
ORG
;###########################################
;#
;###########################################
SEI
MOVB #(RAM_START_GLOB>>12), RPAGE;set RAM page
;###########################################
;#
;###########################################
MOVW #(BUS_FREQ_HZ/(16*9600)), SCIBDH;set baud rate
MOVB #(TIE|TE), SCICR2;enable tx buffer empty interrupt
;###########################################
;#
;###########################################
MOVB #(SCI_VEC&$F0), INT_CFADDR ;switch SCI interrupts to XGATE
MOVB #RQST|$01, INT_CFDATA+((SCI_VEC&$0F)>>1)
XGATE_REGS+$18
XGATE_REGS+$1A
$0016
32*$400
$1000
$10000-RAM_SIZE
$100000-RAM_SIZE
RAM_START
RAM_START_XG
RAM_START+(4*128)
RAM_START_XG+(4*128)
XGATE_DATA+(XGATE_CODE_FLASH-XGATE_DATA_FLASH)
XGATE_DATA_XG+(XGATE_CODE_FLASH-XGATE_DATA_FLASH)
40000000
$FF10 ;non-maskable interrupts
DUMMY_ISR DUMMY_ISR DUMMY_ISR DUMMY_ISR
$FFF4 ;non-maskable interrupts
DUMMY_ISR DUMMY_ISR DUMMY_ISR
$FF0E
$FFFE
$C000
MC9S12XDP512 Data Sheet, Rev. 2.21
INITIALIZE S12XE CORE
S12XE VECTOR TABLE
INITIALIZE S12X_INT
INITIALIZE SCI
DISABLE COP
;XGATE Software Trigger Register
;XGATE Semaphore Register
;32k RAM
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