MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 293

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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INIT_XGATE
INIT_XGATE_BUSY_LOOP
INIT_XGATE_VECTAB_LOOP
COPY_XGATE_CODE
COPY_XGATE_CODE_LOOP
START_XGATE
DUMMY_ISR
Freescale Semiconductor
;###########################################
;#
;###########################################
MOVW #XGMCTL_CLEAR , XGMCTL;clear all XGMCTL bits
TST
BNE
LDX
LDD
STD
STD
STD
STD
STD
STD
STD
STD
MOVW #XGATE_VECTORS_XG, XGVBR;set vector base register
MOVW #$FF00, XGSWT
;###########################################
;#
;###########################################
LDAA #128
LDY
MOVW #XGATE_DUMMY_ISR_XG, 4,Y+
DBNE A, INIT_XGATE_VECTAB_LOOP
MOVW #XGATE_CODE_XG, RAM_START+(2*SCI_VEC)
MOVW #XGATE_DATA_XG, RAM_START+(2*SCI_VEC)+2
;###########################################
;#
;###########################################
LDX
MOVW 2,X+, 2,Y+
MOVW 2,X+, 2,Y+
MOVW 2,X+, 2,Y+
MOVW 2,X+, 2,Y+
CPX
BLS
;###########################################
;#
;###########################################
MOVW #XGMCTL_ENABLE, XGMCTL;enable XGATE
BRA
;###########################################
;#
;###########################################
RTI
CPU
XGCHID
INIT_XGATE_BUSY_LOOP
#XGIF
#$FFFF
2,X+
2,X+
2,X+
2,X+
2,X+
2,X+
2,X+
2,X+
#XGATE_VECTORS
#XGATE_DATA_FLASH
#XGATE_CODE_FLASH_END
COPY_XGATE_CODE_LOOP
*
XGATE
DUMMY INTERRUPT SERVICE ROUTINE
MC9S12XDP512 Data Sheet, Rev. 2.21
INITIALIZE XGATE VECTOR TABLE
INITIALIZE XGATE
COPY XGATE CODE
START XGATE
;wait until current thread is finished
;clear all channel interrupt flags
;clear all software triggers
;build XGATE vector table
#
#
#
#
#
Chapter 6 XGATE (S12XGATEV2)
293

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