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dsPIC33AK512MPS512 Family Data Sheet
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19
Integrated Touch Controller (ITC)
19.3
Touch Controller Operation
Operating Conditions
High-Performance dsPIC33A DSP/RISC CPU
Memory Features
Security Features
High-Speed PWM
High-Speed Analog-to-Digital Converters
Peripheral Features
Controller Features
Analog Features
Safety Features
Functional Safety Support
Qualification
Programming and Debug Interfaces
dsPIC33AK512MPS512
Family Features
Pin Diagrams
1
Pinout I/O Descriptions
2
Device Overview
3
Guidelines for Getting Started with Digital Signal Controllers
4
CPU
5
Memory Organization
6
Data Memory
7
Flash Program Memory
8
Configuration Bits
9
Security Module
10
Resets
11
Interrupt Controller
12
I/O Ports with Edge Detect
13
Oscillator Module
14
Direct Memory Access (DMA) Controller
15
CAN Flexible Data-Rate (FD) Protocol Module
16
High-Resolution PWM with Fine Edge Placement
17
40 MSPS Analog-to-Digital Converter (ADC)
18
Effects of Reset
19
Integrated Touch Controller (ITC)
19.1
Device-Specific Information
19.2
Registers
19.3
Touch Controller Operation
19.3.1
Capacitive Voltage Divider (CVD)
19.3.2
CVD Sensors Pins
19.3.3
CVD Active Guards Pins
19.3.4
CVD Mutual Capacitance Pins
19.3.5
Analog Multiplexor Mode
19.3.6
Records and Lists
19.3.7
Balance, Conversion and Sequencers Timing
19.3.8
Result
19.3.9
List Triggers and Interrupts
19.3.10
Comparator
19.3.11
Accumulation of Several Measurements.
19.3.12
CVD Capacitors Array
19.3.13
Test Mode
19.3.14
ITC Enable
19.3.15
Sequencers
19.3.16
Acquisition Sequencer Commands
19.3.17
Math Sequencer Commands
19.3.18
Sequences Update by DMA
19.4
Application Example
20
High-Speed Analog Comparator with Slope Compensation DAC
21
Quadrature Encoder Interface (QEI)
22
Universal Asynchronous Receiver Transmitter (UART)
23
Serial Peripheral Interface (SPI)
24
Inter-Integrated Circuit (I
2
C)
25
Single-Edge Nibble Transmission (SENT)
26
Bidirectional Serial Synchronous (BiSS) Module
27
Timers
28
Capture/Compare/PWM/Timer Modules (SCCP/MCCP)
29
Configurable Logic Cell (CLC)
30
Peripheral Trigger Generator (PTG)
31
32-Bit Programmable Cyclic Redundancy Check (CRC) Generator
32
Current Bias Generator (CBG)
33
UREF Reference Output
34
Operational Amplifier (Op Amp)
35
Watchdog Timer (WDT)
36
Deadman Timer (DMT)
37
Device Power-Saving Modes
38
JTAG Interface
39
In-Circuit Debugger
40
Instruction Set Summary
41
Development Support
42
Electrical Characteristics
43
Packaging Information
44
Revision History
45
Product Identification System
Microchip Information
19.3 Touch Controller Operation
