XE8000EV110 Semtech, XE8000EV110 Datasheet - Page 73
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XE8000EV110
Manufacturer Part Number
XE8000EV110
Description
EVAL BOARD FOR XE8802AMI035LF
Manufacturer
Semtech
Type
MCUr
Specifications of XE8000EV110
Contents
Fully Assembled Evaluation Board
For Use With/related Products
XE88LC02MI035
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 73 of 193
- Download datasheet (2Mb)
11.1 Features
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11.2 Overview
PortA is a general purpose 8 bit wide digital input port, with interrupt capability. Figure 11-1 shows its structure.
© Semtech 2006
input port, 8 bits wide
each bit can be set individually for debounced or direct input
each bit can be set individually for pullup or not
snap-to-rail option for each input
each bit is an interrupt request source on the rising or falling edge
a system reset can be generated on an input pattern
PA[0] and PA[1] can generate two events for the CPU, individually maskable
PA[0] to PA[3] can be used as clock inputs for the counters/timers/PWM (product dependent)
VBat
Vss
logic
8
8
8
1
0
8x
debounce
1
Port A
11
10
01
00
0
Figure 11-1: structure of Port A
8x
XE8802 Sensing Machine Data Acquisition MCU
DebFast
(RegPACtrl(0))
0
1
11-2
8
8
1
0
8x
8
8
with ZoomingADC™ and LCD driver
8
8
RegPASnapToRail
RegPADebounce
RegPAPullup
RegPAEdge
RegPARes1
RegPARes0
RegPACtrl
RegPAIn
resetfromporta
interrupts
events
cntclocks
1kHz
32kHz
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