41110555
Rev 1.0
November 01, 2017
13
Product Technical Specification
Introduction
1.4. Architecture
The figure below presents an overview of the
AirPrime HL77xx modules’ internal architecture and
external interfaces.
Note:
Dotted parts are optional depending on variant.
AirPrime HL7718, HL7748 and HL7749
32.768KHz
VGPIO
RESET_IN_N
LGA-
146
Baseband
MCU
DSP
PMU
Analog Baseband
Embedded
SIM
LGA-
146
PWR_ON
SAW
Filters
USB
Front-End
Module
(SAW/PA/
Switch)
RX
RAM Memory
Peripherals
Flash
Memory
SIM
Switch
Transceiver
26MHz
VBATT_PA
Figure 1.
Architecture Overview
1.5. Interfaces
The AirPrime HL77xx modules provide the following interfaces and peripheral connectivity:
•
1x - VGPIO (1.8V)
•
1x - 1.8V USIM
•
1x - eUICC/USIM (optional embedded SIM)
•
1x - USB 2.0
•
10x - GPIOs (1 of which has a multiplex)
•
1x - 8-wire UART
•
1x - Active Low POWER ON
•
1x - Active Low RESET
•
2x - ADC
•
2x - System Clock Out (32,768KHz and 26MHz)
•
1x – Debug Interface
