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HL7548 Datasheet(PDF) 16 Page - List of Unclassifed Manufacturers

Part # HL7548
Description  Product Technical Specification
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HL7548 Datasheet(HTML) 16 Page - List of Unclassifed Manufacturers

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4116369
Rev 9.0
September 04, 2017
16
Product Technical Specification
Introduction
1.5. Interfaces
The AirPrime HL7548 and HL7588 modules provide the following interfaces and peripheral
connectivity:
•
1x – 8-wire UART for the HL7588; 4-wire UART for the HL7548
•
1x – Active Low RESET
•
1x – USB 2.0
•
1x – Backup Battery Interface
•
2x – System Clock Out
•
1x – Active Low POWER-ON
•
1x – 1.8V/3V SIM
•
1x – JTAG Interface
•
13x – GPIOs (3 of which have multiplexes)
•
1x – Main Antenna
•
1x – RX Diversity Antenna
•
1x – VGPIO
•
1x – TX_ON (only available on the HL7588)
•
1x – ADC
•
1x – PCM (only available on the HL7588)
•
1x – Debug Interface
1.6. Connection Interface
The AirPrime HL7548 and HL7588 module is an LGA form factor device. All electrical and mechanical
connections are made through the 146 Land Grid Array (LGA) pads on the bottom side of the PCB.
Figure 2.
Mechanical Overview
The 146 pads have the following distribution:
•
66 inner signal pads, 1x0.5mm, pitch 0.8mm
•
1 reserved test point (do not connect), 1.0mm diameter
•
7 test point (JTAG), 0.8mm diameter, 1.20mm pitch
•
64 inner ground pads, 1.0x1.0mm, pitch 1.825mm/1.475mm
•
4 inner corner ground pads, 1x1mm
•
4 outer corner ground pads, 1x0.9mm


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