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Texas Instruments
TMS320DM357
manual
127
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TMS320DM357
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Functional Block Diagram
Signal Descriptions
Error Handling
Reset Considerations
Setup
Dataerrnaktimeout
DMA Teardown Procedure
CPU Actions at Transfer Phases
Endpoint 0 Service Routine
Features
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Registers
SPRUGH3–November
2008
Universal Serial Bus (USB) Controller
127
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Contents
Users Guide
Submit Documentation Feedback
Contents
100
Appendix a
Type Register Host mode only HOSTTYPE0
List of Figures
Receive Cppi DMA State Word 1 RCPPIDMASTATEW1
List of Tables
Function Address Register Faddr Field Descriptions
Document Revision History
Related Documentation From Texas Instruments
Read This First
Notational Conventions
Notational Conventions
Features Not Supported
Features
Purpose of the Peripheral
Cppi
Functional Block Diagram
Example 1. Initializing the USB Controller
Supported Use Case Examples
Example 2. Programming the USB Endpoints in Peripheral Mode
Example 3. Programming the USB Endpoints in Host Mode
Else
Example 4. Programming the USB DMA Controller
While usbRegs-PERITXCSR
Industry Standards Compliance Statement
Indexed and Non-Indexed Registers
Signal Descriptions
USB Pins
Clock Control
Dynamic Fifo Sizing
USB PHY Initialization
Interrupt Service Routine Flow Chart
Peripheral Mode Control Transactions
USB Controller Peripheral Mode Operation
Write Requests
Zero Data Requests
Read Requests
Endpoint 0 States
CPU Actions at Transfer Phases
OUT
Sequence of Transfer
Endpoint 0 Service Routine
= Idle
Service Endpoint 0 Flow Chart
Idle Mode Flow Chart
Idle Mode
TX Mode Flow Chart
TX Mode
RX Mode Flow Chart
RX Mode
Additional Conditions
Error Handling
Bulk Transactions
Peripheral Mode Bulk In Transactions
Setup
Bit Position Bit Field Name Configuration
Operation
Peripheral Mode Bulk OUT Transactions
Disnyet
Interrupt Transactions
Isochronous in Transactions
Isochronous Transactions
Isochronous OUT Transactions
Set to 1 to enable isochronous protocol
Host Mode Control Transactions
USB Controller Host Mode Operation
Setup Phase of a Control Transaction Flow Chart
Setup Phase
Rxpktrdy
Data Phase
OUT Data Phase
Data Phase Flow Chart
OUT Data Phase Flow Chart
Completion of Setup or OUT Data Phase Flow Chart
Status Phase following Setup Phase or OUT Data Phase
OUT Status Phase following in Data Phase
Completion of in Data Phase Flow Chart
Host Mode Bulk in Transactions
Bulk OUT Transactions
Host Mode Interrupt Transactions
Host Mode Isochronous in Transactions
Host Mode Isochronous Out Transactions
Cppi Transmit Buffer Descriptor
DMA Operation
DMA Transmit Operation
Transmit Buffer
Descriptor. The software sets the Buffer Pointer
Transmit Buffer Descriptor Word
Bits Name Description
Bits Name Description 310 Buffer Pointer
EOQ
Transmit DMA State
Operation
Transmit Queue
Transparent Mode and Rndis Mode Transmit DMA Operation
DMA Receive Operation
Rndis Mode Setup
Transparent Mode Setup
DMA Channel TearDown
Receive Buffer Descriptor Word
Cppi Receive Buffer Descriptor
Bit Field
Receive DMA State
Receive Queue
Rx Queue Flow Chart
USB Controller Host and Peripheral Modes Operation
Receive Abort Handling
Rndis Mode and Transparent Mode Receive DMA Operation
USB Interrupt Conditions
DMA Teardown Procedure
Interrupt Handling
Interrupts Generated by the USB Controller
USB Interrupt Conditions
USB Core Interrupts
Test Modes
DMA Interrupts
Testj
TESTSE0NAK
Testk
Testpacket
Forcehost
Edma Event Support
Reset Considerations
Power Management
Interrupt Support
Acronym Register Description
Universal Serial Bus USB Registers
Transmit/Receive Cppi Channel 0 State Block
Offset Acronym Register Description
Common USB Registers
FIFOn
Target Endpoint 1 Control Registers, Valid Only in Host Mode
Control and Status Register for Endpoint
Target Endpoint 4 Control Registers, Valid Only in Host Mode
51Dh
Control Register Ctrlr Field Descriptions
Control Register Ctrlr
Bit Field Value Description
Rndis Register Rndisr Field Descriptions
Status Register Statr
Rndis Register Rndisr
Status Register Statr Field Descriptions
Auto Request Register Autoreq Field Descriptions
Auto Request Register Autoreq
USB Interrupt Source Register Intsrcr Field Descriptions
USB Interrupt Source Register Intsrcr
USB
USB Interrupt Source Set Register Intsetr
USB Interrupt Source Set Register Intsetr
USB Interrupt Source Clear Register Intclrr
USB Interrupt Source Clear Register Intclrr
USB Interrupt Mask Register Intmskr Field Descriptions
USB Interrupt Mask Register Intmskr
USB Interrupt Mask Set Register Intmsksetr
USB Interrupt Mask Set Register Intmsksetr
USB Interrupt Mask Clear Register Intmskclrr
USB Interrupt Mask Clear Register Intmskclrr
USB Interrupt Source Masked Register Intmaskedr
USB Interrupt Source Masked Register Intmaskedr
USB Interrupt Vector Register Intvectr Field Descriptions
USB End of Interrupt Register Eoir
USB Interrupt Vector Register Intvectr
USB End of Interrupt Register Eoir Field Descriptions
Transmit Cppi Teardown Register Tcppitdr Field Descriptions
Transmit Cppi Control Register Tcppicr
Transmit Cppi Teardown Register Tcppitdr
Transmit Cppi Control Register Tcppicr Field Descriptions
Cppi DMA End of Interrupt Register Cppieoir
Cppi DMA End of Interrupt Register Cppieoir
Comppending
Transmit Cppi Masked Status Register Tcppimsksr
Transmit Cppi Raw Status Register Tcppirawsr
Masked Comppending
Transmit Cppi Interrupt Enable Clear Register Tcppiienclrr
Transmit Cppi Interrupt Enable Set Register Tcppiiensetr
Comppendingintren
Receive Cppi Control Register Rcppicr Field Descriptions
Rcppienable
Receive Cppi Control Register Rcppicr
Receive Cppi Masked Status Register Rcppimsksr
Receive Cppi Raw Status Register Rcppirawsr
Receive Cppi Interrupt Enable Set Register Rcppiensetr
Bufcnt
Receive Cppi Interrupt Enable Clear Register Rcppiienclrr
Receive Buffer Count 0 Register RBUFCNT0
Receive Buffer Count 0 Register RBUFCNT0 Field Descriptions
Receive Buffer Count 2 Register RBUFCNT2 Field Descriptions
Receive Buffer Count 1 Register RBUFCNT1
Receive Buffer Count 2 Register RBUFCNT2
Receive Buffer Count 1 Register RBUFCNT1 Field Descriptions
Txqheadptr
Receive Buffer Count 3 Register RBUFCNT3
Transmit Cppi DMA State Word 0 TCPPIDMASTATEW0
Receive Buffer Count 3 Register RBUFCNT3 Field Descriptions
Currdescriptorptr Truncatednoneop
Transmit Cppi DMA State Word 1 TCPPIDMASTATEW1
Transmit Cppi DMA State Word 2 TCPPIDMASTATEW2
Sopdescriptorptr
Transmit Cppi DMA State Word 4 TCPPIDMASTATEW4
Transmit Cppi DMA State Word 3 TCPPIDMASTATEW3
Transmit Cppi Completion Pointer Tcppicompptr
Transmit Cppi DMA State Word 5 TCPPIDMASTATEW5
Receive Cppi DMA State Word 1 RCPPIDMASTATEW1
Receive Cppi DMA State Word 0 RCPPIDMASTATEW0
Sopbufferoffset
Rxqheadptr
Receive Cppi DMA State Word 1 RCPPIDMASTATEW1
Receive Cppi DMA State Word 3 RCPPIDMASTATEW3
Receive Cppi DMA State Word 2 RCPPIDMASTATEW2
108
Receive Cppi DMA State Word 5 RCPPIDMASTATEW5
Receive Cppi DMA State Word 4 RCPPIDMASTATEW4
Pktlength
Currbufferbytecnt
Receive Cppi DMA State Word 6 RCPPIDMASTATEW6
Receive Cppi Completion Pointer Rcppicompptr
Sopbufferbytecnt
Function Address Register Faddr
Power Management Register Power
Power Management Register Power Field Descriptions
Readback / Compare Mode
EP4TX
Interrupt Register for Receive Endpoints 1 to 4 Intrrx
Field Descriptions
EP4TX EP3TX EP2TX EP1TX EP0
EP4RX
Interrupt Enable Register for Intrtx Intrtxe
Interrupt Enable Register for Intrrx Intrrxe
EP4RX EP3RX EP2RX EP1RX
Interrupt Enable Register for Intrrx Intrrxe
Interrupt Register for Common USB Interrupts Intrusb
Vbuserr Sessreq Discon Conn SOF Resetbabble Resume Suspend
Vbuserr
Interrupt Enable Register for Intrusb Intrusbe
Interrupt Enable Register for Intrusb Intrusbe
Epsel
Frame Number Register Frame
Frame Number Register Frame Field Descriptions
Framenumber
Forcehs
Register to Enable the USB 2.0 Test Modes Testmode
Forcehost
Forcefs
Maxpayload
Servrxpktrdy
Servsetupend
Setupend
Flushfifo
Datatog
Datatogwren
Clrdatatog
ISO Mode Dmaen Frcdatatog Dmamode
Control Status Register for Host Transmit Endpoint Hosttxcsr
124
ISO Dmaen Disnyet Dmamode
Control Status Register for Host Receive Endpoint Hostrxcsr
Dataerrnaktimeout
Dmaen Disnyet Dmamode Datatogwren
127
Receive Count Register Rxcount Field Descriptions
Count 0 Register COUNT0
Receive Count Register Rxcount
Count 0 Register COUNT0 Field Descriptions
Speed
Type Register Host mode only HOSTTYPE0
Transmit Type Register Host mode only Hosttxtype
Type Register Host mode only HOSTTYPE0 Field Descriptions
Polintvlnaklimit
NAKLimit0 Register Host mode only HOSTNAKLIMIT0
Transmit Interval Register Host mode only Hosttxinterval
EP0NAKLIMIT
Receive Interval Register Host mode only Hostrxinterval
Receive Type Register Host mode only Hostrxtype
Speed Prot Rendpn
Configuration Data Register Configdata Field Descriptions
Configuration Data Register Configdata
Mprxe
133
Data
Transmit and Receive Fifo Register for Endpoint 0 FIFO0
Transmit and Receive Fifo Register for Endpoint 2 FIFO2
Transmit and Receive Fifo Register for Endpoint 1 FIFO1
Data Ffff Ffff
Transmit and Receive Fifo Register for Endpoint 4 FIFO4
Transmit and Receive Fifo Register for Endpoint 3 FIFO3
Bdevice
OTG Device Control Register Devctl
OTG Device Control Register Devctl Field Descriptions
Bdevice Fsdev Lsdev Vbus Hostmode Hostreq Session
Receive Endpoint Fifo Size Rxfifosz Field Descriptions
Transmit Endpoint Fifo Size Txfifosz
Receive Endpoint Fifo Size Rxfifosz
Transmit Endpoint Fifo Size Txfifosz Field Descriptions
Addr
Transmit Endpoint Fifo Address Txfifoaddr
Receive Endpoint Fifo Address Rxfifoaddr
Receive Endpoint Fifo Address Rxfifoaddr Field Descriptions
Transmit Hub Address Txhubaddr
Transmit Function Address Txfuncaddr
Transmit Hub Port Txhubport
Receive Hub Address Rxhubaddr
Receive Function Address Rxfuncaddr
Receive Hub Port Rxhubport
142
Additions/Modifications/Deletions
Table A-1. Document Revision History
DSP
Products Applications
Rfid
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