XE8802MI035LF Semtech, XE8802MI035LF Datasheet - Page 75
![IC DAS 16BIT FLASH 8K 100-LQFP](/photos/6/76/67635/xe8802mi035lf_sml.jpg)
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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Note: Depending on the status of the EnResetPConf bit in RegSysCtrl, RegPAEdge, RegPADebounce and
RegPACtrl can be reset by any of the possible system resets or only with power-on reset and NRESET pad.
11.4 Interrupts and events map
11.5 Port A (PA) Operation
The Port A input status (debounced or not) can be read from RegPAin.
Debounce mode:
Each bit in Port A can be individually debounced by setting the corresponding bit in RegPADebounce. After reset,
the debounce function is disabled. After enabling the debouncer, the change of the input value is accepted only if
height consecutive samples are identical. Selection of the clock is done by bit DebFast in Register RegPACtrl.
Note: The tolerance on the debounce frequency depends on the selected clock source. When the external clock is
used, the pulse width will be correct if the input of the low prescaler is set to a frequency close to 32kHz (see clock
block documentation).
Pullups/Snap-to-rail:
Different functions are possible depending on the value of the registers RegPAPullup and RegPASnaptorail.
When the corresponding bit in RegPAPullup is set to 0, the inputs are floating (pullup and pulldown resistors are
disconnected). When the corresponding bit in RegPAPullup is 1 and in RegPASnaptorail is 0, a pullup resistor is
connected to the input pin. Finally, when the corresponding bit in RegPAPullup is 1 and in RegPASnaptorail is 1,
the snap-to-rail function is active.
© Semtech 2006
pos.
pos.
7:1
7:0
0
Interrupt source
pa_irqbus[5]
pa_irqbus[4]
pa_irqbus[1]
pa_irqbus[0]
pa_irqbus[7]
pa_irqbus[6]
pa_irqbus[3]
pa_irqbus[2]
RegPACtrl
RegPASnaptorail
PASnaptorail[7:0]
DebFast
[7:1]
RegIrqMid[5]
RegIrqMid[4]
RegIrqMid[1]
RegIrqMid[0]
RegIrqLow[7]
RegIrqLow[6]
RegIrqLow[3]
RegIrqLow[2]
the interrupt manager
Default mapping in
DebFast
rw
r
r w
rw
rw
0
1
Table 10: debounce frequency selection
XE8802 Sensing Machine Data Acquisition MCU
reset
0000000
0 nresetpconf
reset
0 nresetpconf
Table 11-9: RegPASnaptorail
Table 11-8: RegPACtrl
11-4
Clock filter
RegEvn[4]
RegEvn[0]
Default mapping in the
32kHz
with ZoomingADC™ and LCD driver
1kHz
description
description
event manager
0 = slow debounce, 1 = fastdebounce
set snap-to-rail input on
Unused
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