MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 292

IC MCU 256K FLASH 80-QFP

MC9S12XDT256CAA

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

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

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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
292
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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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Freescale Semiconductor

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