10.1.1
Terminology
.....................................................................................................
10.1.2
L3 Interconnect
.................................................................................................
10.1.3
L4 Interconnect
.................................................................................................
11
Enhanced Direct Memory Access (EDMA)
...........................................................................
11.1
Introduction
...............................................................................................................
11.1.1
EDMA3 Controller Block Diagram
...........................................................................
11.1.2
Third-Party Channel Controller (TPCC) Overview
.........................................................
11.1.3
Third-Party Transfer Controller (TPTC) Overview
.........................................................
11.2
Integration
.................................................................................................................
11.2.1
Third-Party Channel Controller (TPCC) Integration
.......................................................
11.2.2
Third-Party Transfer Controller (TPTC) Integration
.......................................................
11.3
Functional Description
...................................................................................................
11.3.1
Functional Overview
...........................................................................................
11.3.2
Types of EDMA3 Transfers
...................................................................................
11.3.3
Parameter RAM (PaRAM)
....................................................................................
11.3.4
Initiating a DMA Transfer
.....................................................................................
11.3.5
Completion of a DMA Transfer
...............................................................................
11.3.6
Event, Channel, and PaRAM Mapping
......................................................................
11.3.7
EDMA3 Channel Controller Regions
........................................................................
11.3.8
Chaining EDMA3 Channels
..................................................................................
11.3.9
EDMA3 Interrupts
..............................................................................................
11.3.10
Memory Protection
...........................................................................................
11.3.11
Event Queue(s)
...............................................................................................
11.3.12
EDMA3 Transfer Controller (EDMA3TC)
..................................................................
11.3.13
Event Dataflow
................................................................................................
11.3.14
EDMA3 Prioritization
.........................................................................................
11.3.15
EDMA3 Operating Frequency (Clock Control)
............................................................
11.3.16
Reset Considerations
........................................................................................
11.3.17
Power Management
..........................................................................................
11.3.18
Emulation Considerations
...................................................................................
11.3.19
EDMA Transfer Examples
...................................................................................
11.3.20
EDMA Events
.................................................................................................
11.4
EDMA3 Registers
........................................................................................................
11.4.1
EDMA3 Channel Controller Registers
.......................................................................
11.4.2
EDMA3 Transfer Controller Registers
.......................................................................
11.5
Appendix A
..............................................................................................................
11.5.1
Debug Checklist
..............................................................................................
11.5.2
Miscellaneous Programming/Debug Tips
.................................................................
11.5.3
Setting Up a Transfer
........................................................................................
12
Touchscreen Controller
..................................................................................................
12.1
Introduction
..............................................................................................................
12.1.1
TSC_ADC Features
..........................................................................................
12.1.2
Unsupported TSC_ADC_SS Features
....................................................................
12.2
Integration
...............................................................................................................
12.2.1
TSC_ADC Connectivity Attributes
..........................................................................
12.2.2
TSC_ADC Clock and Reset Management
................................................................
12.2.3
TSC_ADC Pin List
............................................................................................
12.3
Functional Description
.................................................................................................
12.3.1
HW Synchronized or SW Channels
........................................................................
12.3.2
Open Delay and Sample Delay
.............................................................................
12.3.3
Averaging of Samples (1, 2, 4, 8, and 16)
................................................................
12.3.4
One-Shot (Single) or Continuous Mode
...................................................................
12.3.5
Interrupts
......................................................................................................
6
Contents
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated