參數(shù)資料
型號(hào): XE8801AMI027LF
廠商: Semtech
文件頁數(shù): 37/135頁
文件大?。?/td> 0K
描述: IC DAS 16BIT FLASH 8K MTP 44LQFP
標(biāo)準(zhǔn)包裝: 800
系列: XE880x
應(yīng)用: 感測(cè)機(jī)
核心處理器: Coolrisc816?
程序存儲(chǔ)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: 44-VFQFN 裸露焊盤
包裝: 托盤
供應(yīng)商設(shè)備封裝: 44-MLPQ(7x7)
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
Semtech 2005
www.semtech.com
19-3
XE8801A – SX8801R
symbol
description
min
typ
max
unit
comments
trimming values:
VldRange
VldTune
not used
0
xxx
2.60
3.20
1
000
2.50
3.00
1
001
2.38
2.83
1
010
2.24
2.69
1
011
2.10
2.56
1
100
2.00
2.45
1
101
1.95
2.34
1
110
Vth
Threshold voltage
Note 1
1.90
2.23
V
1
111
TEOM
duration of measurement
2.0
2.5
ms
Note 2
TPW
Minimum pulse width
detected
875
1350
us
Note 2
Vthd
Variation of threshold
voltage with temperature
+/-150
ppm/°C
Note 3
Table 19-4: Voltage level detector operation
Note 1: measured at 20°C.
Note 2: this timing is respected when the internal RC or crystal oscillator is enabled
Note 3: between 0°C and 60°C
To start the voltage level detection, the user sets bit VldEn. The measurement is started.
After 2ms, the bit VldValid is set to indicate that the measurement results are valid. From that time on, as long as
the VLD is enabled, a maskable interrupt request is sent if the voltage level falls below the threshold. One can also
poll the VLD and monitor the actual measurement result by reading the VldResult bit of the RegVldStat. This
result is only valid as long as the VldValid bit is ‘1’.
An interrupt is generated on each rising edge of VldResult.
Not
Recommended
for
New
Designs
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