XE8802MI035LF Semtech, XE8802MI035LF Datasheet - Page 185
XE8802MI035LF
Manufacturer Part Number
XE8802MI035LF
Description
IC DAS 16BIT FLASH 8K 100-LQFP
Manufacturer
Semtech
Datasheet
1.XE8802MI035LF.pdf
(193 pages)
Specifications of XE8802MI035LF
Applications
Sensing Machine
Core Processor
RISC
Program Memory Type
FLASH (22 kB)
Controller Series
XE8000
Ram Size
1K x 8
Interface
SPI, UART
Number Of I /o
36
Voltage - Supply
2.4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-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
Company:
Part Number:
XE8802MI035LF
Manufacturer:
TI
Quantity:
8 700
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21.1 Features
21.2 Overview
The Voltage Level Detector monitors the state of the system battery. It returns a logical high value (an interrupt) in
the status register if the supplied voltage drops below the user defined level (Vsb).
21.3 Register map
There are two registers in the VLD, namely RegVldCtrl and RegVldStat. Table 21-2 shows the mapping of control
bits and functionality of RegVldCtrl while Table 21-3 describes that for RegVldStat.
21.4 Interrupt map
© Semtech 2006
can be switched off, on or simultaneously with CPU activities
generates an interrupt if power supply is below a pre-determined level
pos.
7-3
2
1
0
pos.
7-4
3
2-0
RegVldStat
--
VldResult
VldValid
VldEn
RegVldCtrl
--
VldRange
VldTune[2:0]
interrupt source
IrqVld
rw
r
r
r
r w
rw
r
r w
r w
reset
00000
0 nresetglobal
0 nresetglobal
0 nresetglobal
reset
0000
0
nresetglobal
000
nresetglobal
XE8802 Sensing Machine Data Acquisition MCU
register name
RegVldCtrl
RegVldStat
Table 21-4: Interrupt map
default mapping in the interrupt manager
Table 21-1: Vld registers
Table 21-3: RegVldStat
Table 21-2: RegVldCtrl
function
reserved
VLD detection voltage range for VldTune = “011”:
VLD tuning:
21-2
function
reserved
is 1 when battery voltage is below the detection
voltage
Indicates when VldResult can be read
VLD enable
000 : +19 %
111 : -18 %
0 : 1.3V
1 : 2.55V
with ZoomingADC™ and LCD driver
RegIrqMid(2)
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