參數(shù)資料
型號： XE8000EV108
廠商： Semtech
文件頁數(shù)： 92/143頁
文件大小： 0K
描述： EVAL BOARD FOR XE8806/XE8807
標準包裝： 1
類型： MCU
適用于相關產(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
8-2
XE8806A/XE8807A
8.1
Features
The XE8000 chips support 24 interrupt sources, divided into 3 levels of priority.
8.2
Overview
The interrupt handler allows 24 interrupt sources to be managed individually.
The 24 interrupt sources are divided into 3 levels of priority: High (8 interrupt sources), Mid (8 interrupt sources),
and Low (8 interrupt sources). Those 3 levels of priority are directly mapped to those supported by the CoolRisc
(IN0, IN1 and IN2; see CoolRisc documentation for more information).
Additional functions are given that allow fast detection of the highest priority interrupt that has been activated.
8.3
Register map
Register name
RegIrqHig
RegIrqMid
RegIrqLow
RegIrqEnHig
RegIrqEnMid
RegIrqEnLow
RegIrqPriority
RegIrqIrq
Table 8-1: IRQ handler registers
pos.
RegIrqHig
rw
reset
function
7
RegIrqHig[7]
r
c1
0 nresetglobal
interrupt #23 (high priority)
clear interrupt #23 when 1 is written
6
RegIrqHig[6]
r
c1
0 nresetglobal
interrupt #22 (high priority)
clear interrupt #22 when 1 is written
5
RegIrqHig[5]
r
c1
0 nresetglobal
interrupt #21 (high priority)
clear interrupt #21 when 1 is written
4
RegIrqHig[4]
r
c1
0 nresetglobal
interrupt #20 (high priority)
clear interrupt #20 when 1 is written
3
RegIrqHig[3]
r
c1
0 nresetglobal
interrupt #19 (high priority)
clear interrupt #19 when 1 is written
2
RegIrqHig[2]
r
c1
0 nresetglobal
interrupt #18 (high priority)
clear interrupt #18 when 1 is written
1
RegIrqHig[1]
r
c1
0 nresetglobal
interrupt #17 (high priority)
clear interrupt #17 when 1 is written
0
RegIrqHig[0]
r
c1
0 nresetglobal
interrupt #16 (high priority)
clear interrupt #16 when 1 is written
Table 8-2: RegIrqHig
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