參數(shù)資料
型號: XE8807AMI026TLF
廠商: Semtech
文件頁數(shù): 51/143頁
文件大?。?/td> 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(11 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: 標準包裝
供應(yīng)商設(shè)備封裝: 32-TQFP(7x7)
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
其它名稱: XE8807AMI026DKR
Semtech 2006
www.semtech.com
2-5
XE8806A/XE8807A
2.4.2
Flash circuit version XE8807AM
The speed of the flash devices is not highly dependent upon the supply voltage. However, by limiting the
temperature range, the speed can be increased. The minimal guaranteed speed as a function of the supply voltage
and maximal temperature operating temperature is given in Figure 2-4.
VBAT
VREG
VSS
2.4 - 5.5 V
1uF
Figure 2-3. Supply configuration for flash circuit operation.
0
1
2
3
4
5
6
7
2
2.5
3
3.5
4
4.5
5
5.5
supply voltage VBAT (V)
sp
eed
(M
IP
S
)
85°C
45°C
Figure 2-4. Guaranteed speed as a function of the supply voltage and maximal temperature.
2.4.3
ROM circuit version, regulator on
For the ROM version, two possible operating modes exist: with and without voltage regulator. Using the voltage
regulator, a low power consumption will be obtained even with supply voltages above 2.4V. Without the voltage
regulator (i.e. VREG short-circuited to VBAT) , a higher speed can be obtained.
VBAT
VREG
VSS
2.4 - 5.5 V
100nF
Figure 2-5. Supply configuration for ROM circuit operation using the internal regulator.
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