參數(shù)資料
型號: XE8806AMI026TLF
廠商: Semtech
文件頁數(shù): 84/143頁
文件大小: 0K
描述: IC MCU LOW PWR MTP FLASH 32-TQFP
標準包裝: 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
7-6
XE8806A/XE8807A
00
0000
010
00
0
10
0000
11
0000
11
010
000
100000
1100
00
11111
1
010000
100
000
110
000
111
010
000
10
0000
1100
00
11
1111
01
0000
1000
00
11
0000
1111
11
00
000
0
010
00
0
10
000
0
11
0000
1111
11
0100
00
100
000
1100
00
11
1111
010
000
100
000
110
000
11
1111
010
000
100
000
11000
0
11
111
1
01
00
1000
00
11
00
111
0000
0001
0011
0111
1111
1E+04
1E+05
1E+06
1E+07
RcFreqCoarse(3:0)
Nomina
lRC
os
c
illa
to
rf
re
que
nc
y
[
H
z]
RcFreqRange='1'
RcFreqRange='0'
RcFreqFine(5:0)
Figure 7-2. RC oscillator nominal frequency tuning.
7.6.3
RC oscillator specifications
sym
description
min
typ
max
unit
Comments
fRCmin
Lowest RC frequency
25
40
55
kHz
Note 1
RcFreqFine
fine tuning step
1.4
2.0
%
RC_su
startup time
30
50
us
BiasRc=0
3
5
us
BiasRc=1
PSRR @ DC
Supply voltage
TBD
%/V
Note 2
dependence
TBD
%/V
Note 3
f/T
Temperature
dependence
0.1
%/
°C
Table 7-8. RC oscillator specifications
Note 1: this is the frequency tolerance when all trimming codes are 0. The frequency at start-up is about twice as
high.
Note 2: frequency shift as a function of VBAT with normal regulator function.
Note 3: frequency shift as a function of VBAT while the regulator is short-circuited to VBAT.
The tolerances on the minimal frequency and the drift with supply or temperature can be cancelled using the
software or hardware DFLL (digital frequency locked loop) which uses the crystal oscillator as a reference
frequency.
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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 標準包裝: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