MPR121
Sensors
Freescale Semiconductor, Inc. 25
PAGE 3 OF 3
MPR121
Sensors
26 Freescale Semiconductor, Inc.
Table 11. Revision history
Revision
number
Revision
date
Description of changes
3 12/2011
On Page 1, Under Features: Changed 3 mA shutdown current to 3 mA in scan stop mode current, changed
12 electrodes to 12 electrodes/capacitance sensing inputs in which 8 are multifunctional for LED driving and
GPIO, added two new bullets: Integrated independent autocalibration for each electrode input and
Autoconfiguration of charge current and charge time for each electrode input, Under Implementations: added
three bullets
Updated Table 1 Pin Descriptions, modified pin descriptions for Pins 4, 5, 7
In Section 3, added Power Supply paragraph, modified remaining paragraphs
In Table 2, changed ELEPROX to PROX_OOR, changed Register Names from: AFE Configuration and Filter
Configuration to: Filter/Global CDC Configuration and Filter/Global CDT Configuration, added new register for
Soft Reset Register
Removed AN3889, AN3890, AN3891, AN3892, AN3893, AN3894, AN3895, and AN3944 documents
Added Sections 5.0 through 6.4
4 02/2013 Global change to Table 5, renamed all instances Run1 to Run. Added footnote in table
Document Number: MPR121
Rev. 4
02/2013
Information in this document is provided solely to enable system and software
implementers to use Freescale products. There are no express or implied copyright
licenses granted hereunder to design or fabricate any integrated circuits based on the
information in this document.
Freescale reserves the right to make changes without further notice to any products
herein. Freescale makes no warranty, representation, or guarantee regarding the
suitability of its products for any particular purpose, nor does Freescale assume any
liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation consequential or incidental
damages. “Typical” parameters that may be provided in Freescale data sheets and/or
specifications can and do vary in different applications, and actual performance may
vary over time. All operating parameters, including “typicals,” must be validated for each
customer application by customer’s technical experts. Freescale does not convey any
license under its patent rights nor the rights of others. Freescale sells products pursuant
to standard terms and conditions of sale, which can be found at the following address:
freescale.com/salestermsandconditions.
How to Reach Us:
Home Page:
freescale.com
Web Support:
freescale.com/support
Freescale, the Freescale logo, AltiVec, C-5, CodeTest, CodeWarrior, ColdFire, C-Ware,
Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert,
QorIQ, Qorivva, StarCore, Symphony, and VortiQa are trademarks of Freescale
Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, ColdFire+,
CoreNet, Flexis, MagniV, MXC, Platform in a Package, QorIQ Qonverge, QUICC
Engine, Ready Play, SafeAssure, SMARTMOS, TurboLink, Vybrid, and Xtrinsic are
trademarks of Freescale Semiconductor, Inc. All other product or service names are
the property of their respective owners.
© 2013 Freescale Semiconductor, Inc.

SEN-09695

Mfr. #:
Manufacturer:
SparkFun
Description:
Touch Sensor Development Tools Cap. Touch Sensor B/O MPR121
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet