Altera cyclone V Technical Reference page 11

Enabling SPRAM ECCs.............................................................................................................. 18-13
Host Operation.............................................................................................................................18-13
Device Operation......................................................................................................................... 18-15
USB 2.0 OTG Controller Address Map and Register Definitions..................................................... 18-17
USB OTG Controller Module Registers Address Map........................................................... 18-17
Document Revision History.................................................................................................................18-841
SPI Controller....................................................................................................19-1
Features of the SPI Controller.................................................................................................................. 19-1
SPI Block Diagram and System Integration........................................................................................... 19-2
SPI Block Diagram.........................................................................................................................19-2
SPI Controller Signal Description........................................................................................................... 19-3
Interface to HPS I/O...................................................................................................................... 19-3
FPGA Routing................................................................................................................................ 19-3
Functional Description of the SPI Controller........................................................................................ 19-4
Protocol Details and Standards Compliance..............................................................................19-4
SPI Controller Overview...............................................................................................................19-5
Transfer Modes...............................................................................................................................19-8
SPI Master....................................................................................................................................... 19-9
SPI Slave........................................................................................................................................ 19-12
Partner Connection Interfaces................................................................................................... 19-16
DMA Controller Interface.......................................................................................................... 19-21
Slave Interface...............................................................................................................................19-21
Clocks and Resets.........................................................................................................................19-22
SPI Programming Model........................................................................................................................ 19-23
Master SPI and SSP Serial Transfers..........................................................................................19-24
Master Microwire Serial Transfers.............................................................................................19-26
Slave SPI and SSP Serial Transfers............................................................................................. 19-28
Slave Microwire Serial Transfers................................................................................................19-29
Software Control for Slave Selection......................................................................................... 19-29
DMA Controller Operation........................................................................................................19-30
SPI Controller Address Map and Register Definitions....................................................................... 19-33
SPI Master Module Address Map.............................................................................................. 19-33
SPI Slave Module Address Map................................................................................................. 19-61
Document Revision History...................................................................................................................19-85
2
I C Controller.................................................................................................... 20-1
2
Features of the I C Controller.................................................................................................................. 20-1
2
I C Controller Block Diagram and System Integration........................................................................20-2
2
I C Controller Signal Description........................................................................................................... 20-3
Functional Description of the I
Feature Usage..................................................................................................................................20-4
Behavior...........................................................................................................................................20-5
Protocol Details.............................................................................................................................. 20-6
Multiple Master Arbitration....................................................................................................... 20-11
Clock Frequency Configuration................................................................................................ 20-13
SDA Hold Time............................................................................................................................ 20-15
2
C Controller........................................................................................ 20-4
TOC-11
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