參數(shù)資料
型號: XE8000EV108
廠商: Semtech
文件頁數(shù): 97/143頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR XE8806/XE8807
標(biāo)準(zhǔn)包裝: 1
類型: MCU
適用于相關(guān)產(chǎn)品: XE88LC06AMI026
所含物品: 完全組裝的評估板
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
Semtech 2006
www.semtech.com
8-7
XE8806A/XE8807A
jump
Irq_Pa6
;
RegIrqPriority = 0x06
jump
Irq_Pa7
;
RegIrqPriority = 0x07
jump
Irq_Pa0
;
RegIrqPriority = 0x08
jump
Irq_Pa1
;
RegIrqPriority = 0x09
jump
Irq_Vld
;
RegIrqPriority = 0x0A
jump
Irq_1Hz
;
RegIrqPriority = 0x0B
jump
Irq_Pa4
;
RegIrqPriority = 0x0C
jump
Irq_Pa5
;
RegIrqPriority = 0x0D
jump
Irq_UsrtCond1
;
RegIrqPriority = 0x0E
jump
Irq_UsrtCond2
;
RegIrqPriority = 0x0F
jump
Irq_UartRx
;
RegIrqPriority = 0x10
jump
Irq_UartTx
;
RegIrqPriority = 0x11
jump
Irq_Cmpd
;
RegIrqPriority = 0x12
jump
Irq_CntC
;
RegIrqPriority = 0x13
jump
Irq_CntA
;
RegIrqPriority = 0x14
jump
Irq_Spi
;
RegIrqPriority = 0x15
jump
Irq_128Hz
;
RegIrqPriority = 0x16
jump
Irq_AC
;
RegIrqPriority = 0x17
The next steps are to clear the interrupt flag in the interrupt handler, to call the specific function for the identified
interrupt source and to clear the interrupt in the stat register. This code can be found in the file IRQSave0_xx.s.
########################################################################
Irq_AC:
move
RegIrqHig, #0x80
calls Handle_Irq_AC
jump
ret_int0
########################################################################
Irq_128Hz:
move
RegIrqHig, #0x40
calls Handle_Irq_128Hz
jump
ret_int0
########################################################################
Irq_Spi:
move
RegIrqHig, #0x20
calls Handle_Irq_Spi
jump
ret_int0
ret_int0:
clrb
stat, #2
jump
ret_int
Finally, the context and the PC have to be restored. This code can be found in the IRQComon_xx.s file.
ret_int:
########################################################################
## Restore all registers and flags
########################################################################
move
r3, (i3)+
move
r2, (i3)+
move
r1, (i3)+
move
r0, (i3)+
move
i2h, (i3)+
move
i2l, (i3)+
move
i1h, (i3)+
move
i1l, (i3)+
move
i0h, (i3)+
move
i0l, (i3)+
move
iph, (i3)+
move
ipl, (i3)+
rflag
(i3)+
move
a, (i3)+
reti
########################################################################
## End of interrupt handlers
########################################################################
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