S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 465

• Manufacturer Part Number: S912XET512J3VALR
• Description: 16-bit Microcontrollers - MCU 16 BIT,512K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of S912XET512J3VALR

• Rohs: yes
• Core: HCS12X
• Processor Series: MC9S12XE
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 512 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3.13 V to 5.5 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-112
• Mounting Style: SMD/SMT

INIT_SCI
INIT_INT
INIT_XGATE
INIT_XGATE_BUSY_LOOP
INIT_XGATE_VECTAB_LOOP
COPY_XGATE_CODE
COPY_XGATE_CODE_LOOP
Freescale Semiconductor
;###########################################
;#
;###########################################
SEI
MOVB #(RAM_START_GLOB>>12), RPAGE
;###########################################
;#
;###########################################
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
MOVB #RQST|$01, INT_CFDATA+((SCI_VEC&$0F)>>1)
;###########################################
;#
;###########################################
MOVW #XGMCTL_CLEAR, XGMCTL
TST
BNE
LDX
LDD
STD
STD
STD
STD
STD
STD
STD
STD
CLR
MOVW #XGATE_VECTORS_XG, XGVBR
MOVW #$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+
MC9S12XE-Family Reference Manual Rev. 1.25
XGCHID
INIT_XGATE_BUSY_LOOP
#XGIF
#$FFFF
2,X+
2,X+
2,X+
2,X+
2,X+
2,X+
2,X+
2,X+
XGISPSEL
#XGATE_VECTORS
#XGATE_DATA_FLASH
INITIALIZE XGATE VECTOR TABLE
INITIALIZE S12XE CORE
INITIALIZE S12X_INT
INITIALIZE XGATE
INITIALIZE SCI
COPY XGATE CODE
;wait until current thread is finished
;clear all channel interrupt flags
;set vector base register
;clear all software triggers
;build XGATE vector table
;set RAM page
;switch SCI interrupts to XGATE
;clear all XGMCTL bits
#
#
#
#
#
#
Chapter 10 XGATE (S12XGATEV3)
465