XE8802MI035LF Semtech, XE8802MI035LF Datasheet - Page 114
![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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17.1 ZoomingADC™ Features
The ZoomingADC™ is a complete and versatile low-power analog front-end interface typically intended for sensing
applications. The key features of the ZoomingADC™ are:
Programmable 6 to 16-bit dynamic range oversampled ADC
•
•
•
•
•
•
17.2 Overview
The total acquisition chain consists of an input multiplexer, 3 programmable gain amplifier stages and an
oversampled A/D converter. The reference voltage can be selected on two different channels. Two offset
compensation amplifiers allow for a wide offset compensation range. The programmable gain and offset give the
ability to zoom in on a small portion of the reference voltage defined input range.
17.3 Register map
There are eight registers in the acquisition chain (AC), namely RegAcOutLsb, RegAcOutMsb, RegAcCfg0,
RegAcCfg1, RegAcCfg2, RegAcCfg3, RegAcCfg4 and RegAcCfg5. Table 17-2 to Table 17-9 show the mapping
of control bits and functionality of these registers while Table 17-1 gives an overview of these eight.
The register map only gives a short description of the different configuration bits. More detailed information is found
in subsequent sections.
© Semtech 2006
Flexible gain programming between 0.5 and 1000
Flexible and large range offset compensation
4-channel differential or 8-channel single-ended input multiplexer
2-channel differential reference inputs
Power saving modes
Direct interfacing to CoolRisc™ microcontroller
Reference
Analog
Inputs
Inputs
0
1
2
3
4
5
6
7
0
1
2
3
Reference
Figure 17-1. ZoomingADC™ general functional block diagram
Selection
Selection
Input
V
IN
f
V
S
Gain1 Gain2
REF
XE8802 Sensing Machine Data Acquisition MCU
PGA1
GD1
V
D1
Offset2
OFF2
PGA2
GD2
17-2
ZOOM
with ZoomingADC™ and LCD driver
Gain3
V
D2
Offset3
OFF3
PGA3
GD3
V
IN,ADC
ADC
f
S
16
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