Maps to PORTXRATE20, Feedbdiv at reset | Atmel SpW-10X specs

				SpW-10X	Ref.:	UoD_SpW-10X_
			SpaceWire Router			UserManual
			SpaceWire Router		Issue:	3.4
				User Manual	Issue:	3.4
				User Manual	Date:	11th July 2008


	Table 5-6 Reset Configuration Signals

	Signal	Dir		Description			Signal
							Type

STAT_MUX_OUT(2:0)		In		Sets the transmitter maximum data rate after			CMOS3V3
[maps to -> POR_TX_RATE(2:0)]				reset. The data rate can subsequently be
				changed during normal operation using port
				configuration commands. The values are
				listed below.
				“111” – Full data rate after link start-up.
				“110” – 1/2 data rate after link start-up.
				“101” – 1/3 data rate after link start-up.
				“100” – 1/4 data rate after link start-up.
				“011” – 1/5 data rate after link start-up.
				“010” – 1/6 data rate after link start-up.
				“001” – 1/7 data rate after link start-up.
				“000” – 1/8 data rate after link start-up.
				Note: POR_TX_RATE affects all SpaceWire
				ports in the router.
				Note: The data rate is dependent on
				FEEDBDIV at reset

STAT_MUX_OUT(3)		In		If asserted (low) after reset allows a router			CMOS3V3
[maps to ->				port to address itself and therefore cause an
POR_ADDR_SELF_N				input packet to be returned through the same
				input port. This mode may only be suitable for
				debug and test operations.
				This signal is active low.

STAT_MUX_OUT(4)		In		Power on reset signal which determines if			CMOS3V3
[maps to ->				output port timeouts are enabled at start-up.
POR_TIMEOUT_EN_N]				When asserted (low) the port timeouts are
				enabled. When de-asserted (high) they are
				disabled.
				This signal is active low.
				An external pull down resistor (e.g. 4k7 Ω) is
				recommended on this pin so to enable the
				watchdog timers.

STAT_MUX_OUT(5)		In		Power on reset value which determines the			CMOS3V3
[maps to ->				initial timeout value. The following values
POR_SEL_TIMEOUT0_N]				determine which timeout is selected at power


				Preliminary			43

Image 43

Atmel SpW-10X user manual 11th July Reset Configuration Signals Dir Description, Maps to PORTXRATE20, Feedbdiv at reset

Contents

UoDSpW-10X Issue Date Th JulyUserManual Ref. UoDSpW-10X Date Issue Comments Author11th July SpW-10X Contents Control Logic and Operational Modes 103 Global Spacewire Link Control 136 128138 150 143151 15.16 List of Figures 100 List of Tables Able 9-7 E Xternal P ORT C ONTROL/S Tatus F Ields TERMS, Acronyms and Abbreviations Introduction Applicable Documents Document Number Document Title DocumentsRef. UoDSpW-10X UserManual Date 11th July STAND-ALONE Router User Applications Embedded Router Node Interface Expanding the Number of Router Ports Issue Date 11th July Expanding the number of SpaceWire Ports SpW-10X Functional Overview External Ports Spacewire Ports Routing Table Configuration PortRouting Control Logic and Crossbar CONTROL/STATUS Registers TIME-CODE Processing PIN Locations Pin Signal Type Description VSSA2 GND PFOLVDS33Z EXTOUTDATA90 PO44F EXTOUTDATA108 PO44F EXTTIMEOUT6 PO44F Device Interface Global Signals TestEn Spacewire SignalsSpW-10X SpaceWire Signals TestIOEn DOUTPlus3 DOUTMinus1DOUTPlus2 DOUTMinus2 DINMinus2 11th July DINPlus1DINMinus1 DINPlus2 Lvds Receiver Fail-Safe Resistors SpaceWire Input Fail Safe Resistors SpW-10X UserManual Issue Date 11th July External Port Data SignalsExternal Port Interface Signals PinNo Dir Description Type EXT9INDATA5 Time-Code Signals PinNo Dir Description Type TIME-CODE SignalsSelexttime and the EXTTIMEIN70 EXTTIMEIN70 input Exttickin the value on EXTTIMEIN70 isExttickout is asserted Normal Operation Status Interface SignalsLink error indication Signals PinNo Dir Description Type Power on Configuration Configuration interface timing specification Reset Configuration Signals Maps to 11th July Reset Configuration Signals Dir DescriptionFeedbdiv at reset Maps to PORTXRATE20 Porstartonreqn Lvds Reference POWER, GROUND, PLL and Lvds SignalsGeneral Decoupling PLL with external components External Port Interface Operation Interface Operations TIME-CODE Interface Operation External port read timing specification Time-Code Output Interface Status Interface Operation Status Output Bits Reset configuration interface timing specification Reset Configuration Interface Operation Packet Addresses Spacewire Router Packet Types Packet Header Deletion Packet PriorityPacket Priority Mapping Packet Address Physical Port type Invalid Addresses Supported Commands Command PacketsData Packets Read Command Read Single Address Command Format Issue Date Th July Read Single Address Characteristics SpW-10X EOP Read Incrementing Command Issue Date Th July Read Incrementing Address Characteristics Data Length MS 11th July 00h 11 Read-Modify-Write Command Characteristics Read Modify Write Command Preliminary66 RMW Read-Modify-Write example operation FEh 00h 14 Write Command Characteristics Write Command FEh 01h CRC MSB Status Command Error ResponseCode SpW-10X Local Source Path Address Command Packet Cyclic Redundancy Check Source Path Address Field Date 11 th July Command Packet Fill Bytes Auto-Start Spacewire Link ControlDefault operating mode Control Logic and Operational Modes Automatic deactivate driver mode Link-Disable Deactivate driver operating mode Txrate +1 Setting the SpaceWire port transmit data rate TX 10MbitDIV +1 Setting SpaceWire Transmit Data Rate Global Spacewire Link Control Disable on Silence mode Start on request modeCfgstartonreq bit Control Logic and Routing Packet address errorArbitration Arbitration of packets with matching priority Arbitration of three packets with matching priority Arbitration of packets with different priority SpW-10X SpW-10X 10 Normal group adaptive routing Group Adaptive Routing Loop-back with Self-Addressing 11 Group adaptive routing when other ports busy 13 Packet Self-Addressing mode Blocked destination Packet Blocking 14 Destination Node Blocked a Blocking Allowed Mode 16 Destination Node Blocked c Watchdog timer mode Blocking Allowed 19 Destination Node Blocked Watchdog Mode c 21 Source Node Stalled a 100 101 102 Internal Memory MAP Register Definitions Register Addresses Summary Group Adaptive Routing Table Registers 11th July Configuration Register Addresses 106 Bits Name Reset Description Read/Write Value Issue Date Th July GAR Table Register Description Port CONTROL/STATUS Registers Configuration Port Control/Status Register FieldsGeneric port control/status register fields 11th July Bits Name Reset Description Read/Write Value Configuration port control/status register fields 110 111 SpaceWire Port Control/Status Register Fields SpaceWire port control/status register bits 113 114 Router CONTROL/STATUS Registers External port control/status register bitsNetwork Discovery Register Router Identity Register Router Control Register Fields Router Control Register 118 119 Error Active Register Fields Error active Register Time-Code Register Fields Time-Code Register Device Manufacturer and Chip ID Register General Purpose Register Time-Code Enable Register Transmit Clock Control Register 125 126 Writing to a READ-ONLY Register Destination Key RegisterUnused Registers and Register Bits Empty packets Clock and Reset Timing Parameters Switching CharacteristicsSerial Signals Timing Parameters External port input Fifo timing parameters External Port Timing Parameters TIME-CODE Interface Timing Parameters Time-code Timectrrst interface ERROR/STATUS Interface Timing Parameters 132 Router Latency Switching LatencyLatency and Jitter Clock Periods Time-code Latency Issue Date Th July SpaceWire port to SpaceWire portSpaceWire port to External port External port to SpaceWire port 10.6.6 200M bits/s Input and Output Bit Rate Example Time-code Jitter DC Characteristics Electrical CharacteristicsOperating Conditions Symbol Description Value Units Reliabilty Information Absolute Maximum Ratings Symbol Description Value UnitsAbsolute Maximum Ratings Reliability Information Application Guidelines Example Circuit Diagram 139 PCB Design and Layout Guidelines External Ports Status / Power On Configuration InterfaceTime-code Interface PLL Layout Recommendations 12.2.10 PLL Anomalies Anomalies and Warnings 144 Data Strobe Reset Waveform Reset Anomaly 146 Reset Anomaly Workarounds Data Strobe Disable Waveform Parity Error Action Parity Error AnomalyParity Error Anomaly No error end of packet inserted after parity error Parity Error Workaround Technical Support Document Changes Issue 3.3 to IssueIssue 3.2 to Issue Issue 3.1 to Issue Issue 2.5 to Issue Issue 3.0 to Issue Issue 2.3 to Issue Issue 2.4 to IssueIssue 2.2 to Issue Issue 1.6 to Issue Issue 2.1 to IssueIssue 2.0 to Issue Issue 1.7 to Issue Issue 1.0 to Issue Issue 1.1 to Issue