Quatech 802.11B/G manual Reset Function, Symbol Parameter

Page 31

Airborne Enterprise Module Databook

Quatech, Inc.

 

 

9.0RESET Function

For correct operation of the on-board Power-on RESET (POR) and internal RESET controllers, the RESET pin on the WLNG-XX-DP500 family must obey the following timing and signal conditions.

Figure 5 - Power on RESET Timing

Figure 6 - RESET Timing

Table 18 - RESET Timing

 

Symbol

 

 

Parameter

 

 

Min

 

 

Typ

 

 

Max

 

 

Units

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tPURST

 

 

Valid VDD to RESET valid

 

 

 

 

 

 

 

200

 

 

ms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tRLRV

 

 

RESET Valid to RESET Low

 

0

 

 

 

 

 

 

 

 

ms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tRPWI

 

 

Valid VDD to Internal RESET completed

 

 

 

 

 

 

 

200

 

 

ms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tRPW

 

 

RESET Pulse Width

 

100

 

 

 

 

 

 

 

 

µs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For Hardware revisions Rev C2 and earlier additional timing constraints apply. Please contact Quatech Technical Support for details.

100-8080-110

8/11/2009

31

Image 31 Contents
Product Specification Airborne Enterprise Module Databook Quatech, Inc. Headquarters Quatech ConfidentialAirborne Enterprise Module Databook Contents Figures Terminology ConventionsFile Format WLNG-AN-DP500 Module Example Product DescriptionWLNG-SE/SP/AN/ET-DP500 Block Diagram Block DiagramModel Numbers Model NumbersModule Pin Definition Pin out and ConnectorsGpio CTS2 Uart Ethernet PHY Port Digital Uart PortsUart Pin Definition Debug/Console Port Serial Peripheral Interface SPIGeneral Purpose Input/Output Gpio RF Shield Connector DefinitionAbsolute Maximum Values1 Electrical & RF SpecificationOperating Conditions & DC Specification Symbol Parameter Min Typ Max UnitsTransmitting @ 11Mb/s 10/100 100% Duty Cycle Symbol Parameter Rate Mb/s Min Average Peak Units DBm / mW RF Characteristics 802.11b/gBand Region Freq Range No. Channels GHz Band Supported Data Rates Mb/sTransmit Power Typical Outdoor Distance AC Electrical Characteristics TransmitterPerformance/Range Radio Typical Performance RangePin Definition Description SPI AC CharacteristicsSPI Interface UART2 Pin DebugSPI Read/Write Timing SPI ProtocolTx Message Header SPI CommandsSPI Command Description Command Name Description HexIntena Antenna Selection AntennaHost Board Mounted Antenna Embedded Antenna Options Antenna Type Features Cost Size Availability PerformanceHost Chassis Mounted Antenna Embedded AntennaAntenna Location Performance Airborne Enterprise Module Databook Symbol Parameter Reset FunctionMechanical Outline Radio Connector DF12-36DS-0.5VXX HiroseBoard Connector DF12-36DP-0.5VXX Hirose RF ConnectorInformation for Canadian Users IC Notice Certification & Regulatory ApprovalsFCC Statement FCC RF Exposure StatementCountry Standard 11.4 FCC/IOC Modular ApprovalRegulatory Test Mode Support Mechanical Approvals Physical & Environmental ApprovalsTest Reference Conditions Date Section Change Description Author Change Log