Name: Texas Instruments CC2540DK-MINI
Brand: Texas Instruments
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USB Registers

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USBF5 (0x622A) – Endpoint-5 FIFO

Bit Name Reset R/W Description

7:0

USBF5[7:0]

0x00 R/W Endpoint 5 FIFO register. Reading this register unloads one byte from the EP5 OUT

FIFO. Writing to this register loads one byte into the EP5 IN FIFO.

206

USB Controller SWRU191C– April 2009– Revised January 2012

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Default Chapter2
- Table of Contents2
Preface14
- Cc253X Family Overview15
- Register Bit Conventions16
Introduction17
- Overview18
- Cc253X Block Diagram18
- CC2540 Block Diagram19
- CC2541 Block Diagram20
8051 Cpu24
- 8051 CPU Introduction25
- Memory25
  - Memory Map25
- XDATA Memory Space (Showing SFR and DATA Mapping)26
- CODE Memory Space26
- CODE Memory Space for Running Code from SRAM26
  - CPU Memory Space27
  - Physical Memory28
- SFR Overview29
- Overview of XREG Registers32
- Instruction Set Summary37
  - Interrupts40
- Instructions that Affect Flag Settings40
  - Interrupt Masking41
- Interrupts Overview41
- Interrupt Overview43
  - Interrupt Processing45
  - Interrupt Priority47
- Priority Level Setting48
- Interrupt Priority Groups48
- Interrupt Polling Sequence49
Debug Interface50
- Debug Mode51
- Debug Communication51
- External Debug Interface Timing51
- Transmission of One Byte51
- Typical Command Sequence-No Extra Wait for Response52
  - Debug Commands53
- Typical Command Sequence. Wait for Response53
  - Debug Configuration55
  - Debug Status55
- Burst Write Command (First 2 Bytes)55
  - Hardware Breakpoints56
- Pm_Active56
  - Flash Programming57
    - Lock Bits57
  - Debug Interface and Power Modes57
- Flash Lock-Protection Bit Structure Definition57
  - Registers59
Power Management and Clocks60
- Power Management Introduction61
- Power Modes61
- Pcon_Idle62
  - Power-Management Registers63
- Clock System Overview65
Reset70
- Power-On Reset and Brownout Detector71
- Clock-Loss Detector71
Flash Controller72
- Flash Memory Organization73
- Flash Write73
- Example Write Sequence74
  - CPU Flash Write75
  - Flash75
- Flash Write Using DMA75
I/O Ports78
- Unused I/O Pins79
- Low I/O Supply Voltage79
- General-Purpose I/O79
- General-Purpose I/O Interrupts79
- General-Purpose I/O DMA80
- Peripheral I/O80
  - Timer 181
  - Timer 381
- Peripheral I/O Pin Mapping81
DMA Controller92
- DMA Operation93
- DMA Operation94
  - DMA Configuration Parameters95
- Variable Length (VLEN) Transfer Options96
- DMA Trigger Sources98
- DMA Configuration-Data Structure99
  - DMA Registers101
Timer 1 (16-Bit Timer)103
- 16-Bit Counter104
- Timer 1 Operation104
- Free-Running Mode104
- Modulo Mode105
- Up-And-Down Mode105
- Channel-Mode Control105
- Input Capture Mode106
- Output Compare Mode106
- Initial Compare Output Values (Compare Mode)107
- Output Compare Modes, Timer Free-Running Mode108
- Output Compare Modes, Timer Modulo Mode109
- Output Compare Modes, Timer Up-And-Down Mode110
  - IR Signal Generation and Learning111
    - Introduction111
    - Modulated Codes111
- Frequency Error Calculation for 38-Khz Carrier111
  - Non-Modulated Codes112
- Block Diagram of Timers in IR-Generation Mode112
- Modulated Waveform Example112
- IR Learning Board Diagram113
  - Timer 1 Registers114
  - Accessing Timer 1 Registers as Array119
Timer 3 and Timer 4 (8-Bit Timers)120
- 8-Bit Timer Counter121
- Timer 3 and Timer 4 Mode Control121
- Channel Mode Control121
- Input Capture Mode122
- Output Compare Mode122
- Timer 3 and Timer 4 Interrupts122
- Initial Compare Output Values (Compare Mode)122
  - Timer 3 and Timer 4 DMA Triggers123
  - Timer 3 and Timer 4 Registers123
Sleep Timer128
- General129
- Timer Compare129
- Timer Capture129
- Sleep Timer Registers130
- Sleep Timer Capture (Example Using Rising Edge on P0_0)130
Adc132
- ADC Introduction133
- ADC Operation133
  - ADC Inputs133
- ADC Block Diagram133
Battery Monitor139
- Functionality and Usage of the Battery Monitor140
- Using the Battery Monitor for Temperature Monitoring140
- Values Showing How Different Temperatures Relate to BATTMON_VOLTAGE for a Typical Device140
  - Battery Monitor Registers141
- Values for a and B (for a Typical Device) When Using the Battery Monitor for Temperature Monitoring141
Random-Number Generator143
- Introduction144
- Random-Number-Generator Operation144
- Basic Structure of the Random-Number Generator144
  - Random-Number-Generator Registers145
AES Coprocessor146
- AES Operation147
- Key and IV147
- Padding of Input Data147
- Interface to CPU147
- Modes of Operation147
- Cbc-Mac147
- CCM Mode148
- Message Authentication Phase Block B0148
- Authentication Flag Byte148
- Message Encryption Phase Block149
- Encryption Flag Byte149
Watchdog Timer152
- Watchdog Mode153
- Timer Mode153
- Watchdog Timer Register153
Usart155
- UART Mode156
- SPI Mode157
  - SPI Master Operation157
  - SPI Slave Operation158
- SSN Slave-Select Pin158
- Baud-Rate Generation158
- Commonly Used Baud-Rate Settings for 32 Mhz System Clock158
Operational Amplifier164
- Description165
- Calibration165
- Clock Source165
- Registers165
Analog Comparator166
- Description167
- Register167
- Analog Comparator167
  - Operation169
20 I C169
- Block Diagram of the I169
- Bit Transfer on I171
  - Bus171
  - Module 7-Bit Addressing Format171
- C Module Addressing Format with Repeated START Condition171
- Slave Transmitter Mode172
- Slave Receiver Mode173
- Master Transmitter Mode175
- Master Receiver Mode176
  - C Clock Generation and Synchronization177
- Arbitration Procedure between Two Master Transmitters177
  - Clock Generators During Arbitration177
  - C Registers178
- Miscellaneous States178
- Clock Rates Defined at 32 Mhz179
USB Controller181
- USB Introduction182
- USB Enable182
- 48-Mhz USB PLL182
- USB Controller Block Diagram182
- USB Interrupt Flags Interrupt-Enable Mask Registers183
- IN and out Fifos186
- FIFO Sizes for EP186
Timer 2 (MAC Timer)197
- Timer Operation198
- Interrupts199
- Event Outputs (DMA Trigger and Radio Events)200
- Timer Start-And-Stop Synchronization200
- Timer 2 Registers202
- Internal Registers203
Cc253X Radio208
- RF Core209
  - Interrupts209
  - Interrupt Registers209
- FIFO Access213
- Dma213
- Memory Map213
  - Rxfifo214
  - Txfifo214
  - Frame-Filtering and Source-Matching Memory Map214
- Frame Filtering and Source Matching Memory Map214
  - Frequency and Channel Programming215
  - IEEE 802.15.4-2006 Modulation Format215
- Modulation216
- I/Q Phases When Transmitting a Zero-Symbol Chip Sequence, T216
- IEEE 802.15.4-2006 Symbol-To-Chip Mapping216
  - IEEE 802.15.4-2006 Frame Format217
    - MAC Layer217
    - PHY Layer217
- Schematic View of the IEEE 802.15.4 Frame Format217
- Format of the Frame Control Field (FCF)217
  - Transmit Mode218
- Frame Data Written to the TXFIFO219
- TX Flow220
  - Transmitted Frame Processing221
  - Synchronization Header221
  - Frame-Length Field221
  - Frame Check Sequence221
- Single Transmitted Frame221
- Transmitted Synchronization Header221
  - Interrupts222
  - Clear-Channel Assessment222
  - Output Power Programming222
  - Tips and Tricks222
  - Receive Mode222
    - RX Control222
- FCS Hardware Implementation222
  - RX State Timing223
  - Received-Frame Processing223
- Single Received Frame and Transmitted Acknowledgment Frame223
  - Synchronization Header and Frame-Length Fields224
  - Frame Filtering224
- SFD Signal Timing224
- Filtering Scenarios (Exceptions Generated During Reception)226
  - Source Address Matching227
- Matching Algorithm for Short and Extended Addresses228
- Interrupts Generated by Source Address Matching229
  - Frame-Check Sequence230
  - Acknowledgement Transmission230
- Data in RXFIFO for Different Settings230
- Acknowledge Frame Format230
- Acknowledgment Timing231
- Command Strobe Timing231
  - RXFIFO Access232
- Behavior of FIFO and FIFOP Signals233
  - Link Quality Indication234
  - Radio-Control State Machine234
- Main FSM235
  - Random-Number Generation236
- FFT of the Random Bytes236
- FSM State Mapping236
  - Packet Sniffing and Radio Test Output Signals237
- Histogram of 20 Million Bytes Generated with the RANDOM Instruction237
  - Command Strobe Processor238
- Running a CSP Program240
  - Instruction Set Summary241
- Instruction Set Summary242
  - Instruction Set Definition243
  - Registers255
- Register Overview255
  - Register Settings Update256
  - Register Access Modes256
- Example Hardware Structure for the R* Register Access Mode256
- Registers that Require Update from Their Default Value256
- Register-Bit Access Modes256
  - Register Descriptions257
CC2540 and CC2541 Bluetooth Low Energy Radio275
- Registers276
CC2541 Proprietary Mode Radio278
- RF Core279
- Interrupts279
  - Interrupt Registers279
- RF Core Data Memory280
- Radio RAM280
  - Fifos281
- Mapping of Radio Memory to MCU XDATA Memory Space281
- FIFO Pointers281
- Commands to FIFO Via RFST Register283
- Access to FIFO Registers283
  - Dma284
  - RAM-Based Registers285
- Address Structure for Auto Mode289
- Address Structure for Basic Mode290
  - Variables in RAM291
  - Bit-Stream Processor291
    - Whitening291
- RAM-Based Registers in RAM291
  - CC2500-Compatible PN9 Whitening292
- PN7 Whitening292
  - Crc293
- CC2500-Compatible Whitening293
- CRC Module294
- Register Settings for Different Crcs294
  - Coprocessor Mode295
- Register Settings for some Commonly Used Crcs, Assuming Initialization with All 1S295
  - Frequency and Channel Programming296
  - Modulation Formats296
  - Receiver296
- Supported Modulation Formats, Data Rates, and Deviations296
  - Packet Format297
- Air Interface Packet Format for Basic Mode297
- Air Interface Packet Format for Auto Mode298
- Bits of 9-Bit Header298
- Bits of 10-Bit Header298
  - RX FIFO Packet Organization299
- Structure of Packets in the RX FIFO299
  - TX FIFO Packet Organization300
  - TX Buffers for ACK Payload300
- Structure of Packets in the TX FIFO300
- Segments for Holding ACK Payload for each Address Entry300
  - Link Layer Engine301
    - Command Register302
    - Radio Tasks302
- Commands from MCU to LL Engine Via RFST Register302
- Timer 2 Capture Settings304
- End-Of-Task Causes304
- Recommended RAM Register Settings for Start Tone306
- Interrupt and Counter Operation for Received Messages307
- Interrupt and Counter Operation for Received Messages308
- End-Of-Receive Tasks310
- Interrupt and Counter Operation for Received ACK Packets312
- End-Of-Transmit Tasks313
- Additional Reasons for End-Of-Transmit on Clear-Channel Tasks315
- Timing of Packets in RX Tasks316
  - RF Test Commands317
- Timing of Packets in TX Tasks317
  - Random Number Generation318
  - Packet Sniffing319
- Complete Appended Packet319
- Packet-Sniffer Modes of Operation319
  - Registers320
    - Register Overview320
- XREG Register Overview320
  - Register Settings Update321
- Registers that Should be Updated from Their Default Value, Bit Rates 1 Mbps and Lower321
- Registers that Should be Updated from Their Default Value, Bit Rate 2 Mbps321
  - SFR Register Descriptions322
Voltage Regulator342
Available Software343
- Smartrf™ Software for Evaluation (Www.ti.com/Smartrfstudio)344
- Remoti™ Network Protocol (Www.ti.com/Remoti)344
- Simpliciti™ Network Protocol (Www.ti.com/Simpliciti)345
- TIMAC Software (Www.ti.com/Timac)345
- Z-Stack™ Software (Www.ti.com/Z-Stack)346
- BLE Stack Software346
A Abbreviations347
B Additional Information350
- Texas Instruments Low-Power RF Web Site351
- Low-Power RF Online Community351
- Texas Instruments Low-Power RF Developer Network351
- Low-Power RF Enewsletter351
C References352
Revision History353
- Important Notice354

Brand	Texas Instruments
Model	CC2540DK-MINI
Category	Microcontrollers
Language	English

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