S912XET256J2VAGR Freescale Semiconductor, S912XET256J2VAGR Datasheet - Page 675

• Manufacturer Part Number: S912XET256J2VAGR
• Description: 16-bit Microcontrollers - MCU Watchdog OSC/Timer -40 C to + 105 C HCS12X MCU SPI
• Manufacturer: Freescale Semiconductor

Specifications of S912XET256J2VAGR

• Core: HCS12X
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 16 KB
• On-chip Adc: Yes
• Package / Case: LQFP
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 24
• Interface Type: CAN, SCI, SPI
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 119
• Number Of Timers: 25
• Program Memory Type: Flash
• Supply Voltage - Max: 1.98 V, 2.9 V, 5.5 V
• Supply Voltage - Min: 1.72 V, 2.7 V, 3.13 V

;******************** Main Program *************************************************************
MAIN:
;******************** Channel 0 Interupt Routine ***************************************************
CH0_ISR:
Freescale Semiconductor
MOVB
MOVB
CLI
BRA *
LDAA
MOVB
RTI
#$01,PITINTE
#$80,PITCFLMT
PITTF
#$01,PITTF
MC9S12XE-Family Reference Manual Rev. 1.25
; enable interupt channel 0
; enable PIT
; clear Interupt disable Mask bit
; loop until interrupt
; 8 bit read of PIT time out flags
; clear PIT channel 0 time out flag
; return to MAIN
Chapter 17 Periodic Interrupt Timer (S12PIT24B8CV2)
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