MSP430FR59691 Datasheet, PDF (79/131 Pages) Texas Instruments – MSP430FR59xx Mixed-Signal Microcontrollers

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MSP430FR5969, MSP430FR59691, MSP430FR5968, MSP430FR5967
MSP430FR5959, MSP430FR5958, MSP430FR5957
MSP430FR5949, MSP430FR5948, MSP430FR5947, MSP430FR59471
SLAS704C – OCTOBER 2012 – REVISED JUNE 2014
6.11 Input/Output Schematics
6.11.1 Capacitive Touch Functionality Ports P1, P2, P3, P4, and PJ
All port pins provide the Capacitive Touch functionality as shown in the following figure. The Capacitive
Touch functionality is controlled using the Capacitive Touch IO control registers CAPTIO0CTL and
CAPTIO1CTL as described in the MSP430FR58xx, MSP430FR59xx, MSP430FR68xx, MSP430FR69xx
Family User's Guide (SLAU367). The Capacitive Touch functionality is not shown in the individual pin
schematics in the following sections.
Analog Enable
PxREN.y
Capacitive Touch Enable 0
Capacitive Touch Enable 1
Direction Control
DVSS
0
DVCC
1
1
PxOUT.y
Output Signal
Input Signal
QD
EN
0
1
Px.y
Capacitive Touch Signal 0
Capacitive Touch Signal 1
NOTE: Functional representation only.
Copyright © 2012–2014, Texas Instruments Incorporated
Detailed Description
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