參數(shù)資料
型號： XE8806AMI026TLF
廠商： Semtech
文件頁數(shù)： 99/143頁
文件大?。?/td> 0K
描述： IC MCU LOW PWR MTP FLASH 32-TQFP
標(biāo)準(zhǔn)包裝： 1
系列： XE880x
應(yīng)用： 感測機
核心處理器： Coolrisc816?
程序存儲器類型： 閃存（22 kB）
控制器系列： XE8000
RAM 容量： 512 x 8
接口： UART，USRT
輸入/輸出數(shù)： 24
電源電壓： 2.4 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 32-TQFP
包裝： 剪切帶 (CT)
供應(yīng)商設(shè)備封裝： 32-TQFP（7x7）
配用： XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
其它名稱： XE8806AMI026CT
Semtech 2006
www.semtech.com
9-2
XE8806A/XE8807A
9.1
Features
The XE8000 chips support 8 event sources, divided into 2 levels of priority.
9.2
Overview
An event is different from an interrupt in that it does not modify the program counter (PC). Events are used by two
microcontroller instructions.
First of all, events are useful to wake-up the microcontroller when it is in HALT. The software execution then simply
resumes at the instruction next to the HALT instruction. The second instruction is the conditional jump on event
(JEV). The jump is executed if one of the event flags in the stat register is set. In all other cases, the occurrence of
an event has no effect.
The event handler allows 8 event sources to be managed individually. The 8 event sources are divided into 2 levels
of priority: High (4 event sources) and Low (4 event sources). Those 2 levels of priority are directly mapped to
those supported by the CoolRisc (EV0and IN1; see CoolRisc documentation for more information).
Additional functions are given that allow fast detection of the highest priority event that has been activated.
9.3
Register map
The addresses given in Table 9-1 are the default values and may be different in some products.
Register name
RegEvn
RegEvnEn
RegEvnPriority
RegEvnEvn
Table 9-1: EVN handler registers.
pos.
RegEvn
rw
reset
function
7
RegEvn[7]
r
c1
0 nresetglobal
event #7 (high priority)
clear event #7 when written 1
6
RegEvn[6]
r
c1
0 nresetglobal
event #6 (high priority)
clear event #6 when written 1
5
RegEvn[5]
r
c1
0 nresetglobal
event #5 (high priority)
clear event #5 when written 1
4
RegEvn[4]
r
c1
0 nresetglobal
event #4 (high priority)
clear event #4 when written 1
3
RegEvn[3]
r
c1
0 nresetglobal
event #3 (low priority)
clear event #3 when written 1
2
RegEvn[2]
r
c1
0 nresetglobal
event #2 (low priority)
clear event #2 when written 1
1
RegEvn[1]
r
c1
0 nresetglobal
event #1 (low priority)
clear event #1 when written 1
0
RegEvn[0]
r
c1
0 nresetglobal
event #0 (low priority)
clear event #0 when written 1
Table 9-2: RegEvn
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XE8806ARI000 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Ultra Low-Power Low-Voltage
XE8806ARI026LF 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Ultra Low-Power Low-Voltage
XE8807AMI000 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Ultra Low-Power Low-Voltage
XE8807AMI026LF 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Ultra Low-Power Low-Voltage
XE8807AMI026TLF 功能描述:IC MCU LOW PWR MTP FLASH 32-TQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器 - 特定應(yīng)用 系列:XE880x 產(chǎn)品變化通告:Product Discontinuation 26/Aug/2009 標(biāo)準(zhǔn)包裝:250 系列:- 應(yīng)用:網(wǎng)絡(luò)處理器 核心處理器:4Kc 程序存儲器類型:- 控制器系列:- RAM 容量:16K x 8 接口:以太網(wǎng)，UART，USB 輸入/輸出數(shù):- 電源電壓:1.8V, 3.3V 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:208-LQFP 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:PG-LQFP-208 其它名稱:SP000314382
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