S912XEQ384J3CAL Freescale Semiconductor, S912XEQ384J3CAL Datasheet - Page 467

• Manufacturer Part Number: S912XEQ384J3CAL
• Description: IC MCU 16BIT 384KB FLASH 112LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of S912XEQ384J3CAL

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 50MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 91
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 24K x 8
• Voltage - Supply (vcc/vdd): 1.72 V ~ 5.5 V
• Data Converters: A/D 16x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• Core: HCS12X
• Data Bus Width: 16 bit
• Data Ram Size: 24 KB
• Interface Type: SCI, SPI, I2C, CAN
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 91
• Number Of Timers: 1
• Operating Supply Voltage: 3.13 V to 5.5 V
• Maximum Operating Temperature: + 260 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

INIT_SCI
INIT_INT
INIT_XGATE
INIT_XGATE_BUSY_LOOP
INIT_XGATE_VECTAB_LOOP
COPY_XGATE_CODE
COPY_XGATE_CODE_LOOP
Freescale Semiconductor
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
;###########################################
;#
;###########################################
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. 1.23
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)
467