XE8802MI035LF Semtech, XE8802MI035LF Datasheet - Page 47
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
- Current page: 47 of 193
- Download datasheet (2Mb)
In assembler code, the sequence to clear the watchdog is:
Only writing Hx0A followed by Hx03 resets the WD. If some other write instruction is done to the RegSysWd
between the writing of the Hx0A and Hx03 values, the watchdog timer will not be cleared.
It is possible to read the status of the watchdog in the RegSysWd register. The watchdog is a 4 bit counter with a
count range between 0 and 7. The system reset is generated when the counter is reaching the value 8.
6.9
At start-up of the circuit, the POR block generates a reset signal during t
after this period (see system chapter). The POR is intended to force the circuit into a correct state at start-up. For
precise monitoring of the supply voltage, the voltage level detector (VLD) has to be used.
Note: 1) The Vbat_sl defines the minimum slope required on VBAT. Correct start-up of the circuit is not guaranteed
if this slope is too slow. In such a case, a delay has to be built using the NRESET pin.
Note: 2) The minimal watchdog timeout period is guaranteed when the internal oscillators are used. In case an
external clock source is used, the watchdog timeout period will be correct in so far the contents of the
RegSysRCTrim1 and RegSysRCTrim2 registers are correct (see clock block documentation for more details).
© Semtech 2006
Symbol
WDtime
Vbat_sl
T
POR
Start-up and watchdog specifications
move AddrRegSysWd, #0x0A
move AddrRegSysWd, #0x03
POR reset duration
Watchdog timeout period
Supply ramp up
Parameter
Table 6. Electrical and timing specifications
XE8802 Sensing Machine Data Acquisition MCU
Min
0.5
5
2
6-6
Typ
with ZoomingADC™ and LCD driver
Max
20
POR
V/ms
Unit
. The circuit starts software execution
ms
s
Comments
1
2
www.semtech.com
Related parts for XE8802MI035LF
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
EVALUATION BOARD
Manufacturer:
Semtech
Datasheet:
Part Number:
Description:
EVALUATION BOARD
Manufacturer:
Semtech
Datasheet:
Part Number:
Description:
VOLTAGE SUPPRESSOR, TRANSIENT SEMTECH
Manufacturer:
Semtech
Datasheet:
Part Number:
Description:
HIGH VOLTAGE CAPACITORS MONOLITHIC CERAMIC TYPE
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
EZ1084CM5.0 AMP POSITIVE VOLTAGE REGULATOR
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
3.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
RailClamp Low Capacitance TVS Diode Array
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Semtech Corporation
Datasheet: