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SC312XDP512F0MPVR датащи(PDF) 292 Page - Freescale Semiconductor, Inc

номер детали SC312XDP512F0MPVR
подробное описание детали  HCS12X Microcontrollers
PDF  1348 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

SC312XDP512F0MPVR датащи(HTML) 292 Page - Freescale Semiconductor, Inc

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Chapter 6 XGATE (S12XGATEV2)
MC9S12XDP512 Data Sheet, Rev. 2.21
292
Freescale Semiconductor
XGSWT
EQU
XGATE_REGS+$18
;XGATE Software Trigger Register
XGSEM
EQU
XGATE_REGS+$1A
;XGATE Semaphore Register
RPAGE
EQU
$0016
RAM_SIZE
EQU
32*$400
;32k RAM
RAM_START
EQU
$1000
RAM_START_XG
EQU
$10000-RAM_SIZE
RAM_START_GLOB
EQU
$100000-RAM_SIZE
XGATE_VECTORS
EQU
RAM_START
XGATE_VECTORS_XG
EQU
RAM_START_XG
XGATE_DATA
EQU
RAM_START+(4*128)
XGATE_DATA_XG
EQU
RAM_START_XG+(4*128)
XGATE_CODE
EQU
XGATE_DATA+(XGATE_CODE_FLASH-XGATE_DATA_FLASH)
XGATE_CODE_XG
EQU
XGATE_DATA_XG+(XGATE_CODE_FLASH-XGATE_DATA_FLASH)
BUS_FREQ_HZ
EQU
40000000
;###########################################
;#
S12XE VECTOR TABLE
#
;###########################################
ORG
$FF10 ;non-maskable interrupts
DW
DUMMY_ISR DUMMY_ISR DUMMY_ISR DUMMY_ISR
ORG
$FFF4 ;non-maskable interrupts
DW
DUMMY_ISR DUMMY_ISR DUMMY_ISR
;###########################################
;#
DISABLE COP
#
;###########################################
ORG
$FF0E
DW
$FFFE
ORG
$C000
START_OF_CODE
;###########################################
;#
INITIALIZE S12XE CORE
#
;###########################################
SEI
MOVB
#(RAM_START_GLOB>>12), RPAGE;set RAM page
;###########################################
;#
INITIALIZE SCI
#
;###########################################
INIT_SCI
MOVW
#(BUS_FREQ_HZ/(16*9600)), SCIBDH;set baud rate
MOVB
#(TIE|TE), SCICR2;enable tx buffer empty interrupt
;###########################################
;#
INITIALIZE S12X_INT
#
;###########################################
INIT_INT
MOVB
#(SCI_VEC&$F0), INT_CFADDR ;switch SCI interrupts to XGATE
MOVB
#RQST|$01, INT_CFDATA+((SCI_VEC&$0F)>>1)



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