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HL7548 Datasheet(PDF) 35 Page - List of Unclassifed Manufacturers |
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HL7548 Datasheet(HTML) 35 Page - List of Unclassifed Manufacturers |
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35 / 53 page  4116369 Rev 9.0 September 04, 2017 35 Product Technical Specification Detailed Interface Specifications Pad Number Signal Name Function Multiplex 10 TRACE_DATA2 Trace data 2 GPIO2 41 TRACE_CLK Trace clock GPIO8 Note: It is strongly recommended to provide access to this interface through Test Points. 3.15.2. JTAG The JTAG interface provides debug access to the core of the AirPrime HL7548 and HL7588. These JTAG signals are accessible through solder-able test points. Table 26. JTAG Pad Description Pad Number Signal Name Function 236 JTAG_RESET JTAG RESET 237 JTAG_TCK JTAG Test Clock 238 JTAG_TDO JTAG Test Data Output 239 JTAG_TMS JTAG Test Mode Select 240 JTAG_TRST JTAG Test Reset 241 JTAG_TDI JTAG Test Data Input 242 JTAG_RTCK JTAG Returned Test Clock Note: It is recommended to provide access through Test Points to this interface the JTAG pads (for Failure Analysis debugging). All signals listed in table above shall be outputs on the customer board to allow JTAG debugging. 3.16. RF Interface The RF interface of the HL7548 and HL7588 modules allow the transmission of RF signals. This interface has a 50Ω nominal impedance. 3.16.1. RF Connection A 50Ω stripline can be used to connect to standard RF connectors such as SMA, UFL, etc. for antenna connection. Table 27. RF Main Connection Pad Number RF Signal Impedance VSWR Rx (max) VSWR Tx (max) 49 RF_MAIN 50Ω 1.5:1 1.5:1 Table 28. RF Diversity Connection Pad Number RF Signal Impedance VSWR Rx (max) VSWR Tx (max) 31 RF_DIV 50Ω 1.5:1 --- |
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