XE8801AMI027LF Semtech, XE8801AMI027LF Datasheet - Page 131
XE8801AMI027LF
Manufacturer Part Number
XE8801AMI027LF
Description
IC DAS 16BIT FLASH 8K MTP 44LQFP
Manufacturer
Semtech
Datasheet
1.XE8801AMI027LF.pdf
(135 pages)
Specifications of XE8801AMI027LF
Applications
Sensing Machine
Core Processor
RISC
Program Memory Type
FLASH (22 kB)
Controller Series
XE8000
Ram Size
512 x 8
Interface
UART, USRT
Number Of I /o
24
Voltage - Supply
2.4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
44-LQFP
For Use With
XE8000MP - PROG BOARD AND PROSTART2 CARD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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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.
© Semtech 2005
symbol
T
T
Vth
V
EOM
PW
thd
duration of measurement
voltage with temperature
Minimum pulse width
Variation of threshold
Threshold voltage
description
detected
Note 1
Table 19-4: Voltage level detector operation
min
2.60
2.50
2.38
2.24
2.10
2.00
1.95
1.90
19-3
not used
+/-150
typ
875
2.0
1350
max
3.20
3.00
2.83
2.69
2.56
2.45
2.34
2.23
2.5
ppm/°C
unit
ms
us
V
XE8801A – SX8801R
VldRange
trimming values:
0
1
1
1
1
1
1
1
1
comments
Note 2
Note 2
Note 3
www.semtech.com
VldTune
000
001
010
011
100
101
110
111
xxx
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