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M14A2A User Manual
1.
Introduction
M14A2A is a Cat. 1 (10 Mbps/5 Mbps DL/UL respectively) LTE modem which incorporates an application
CPU subsystem and a host of peripheral interfaces and functions uniquely designed to address the
power/performance/cost requirements of IoT and M2M applications. The chip is based on SDR-v3.0
(Software Defined Radio) architecture which offers OFDMA-related software based signal processing
capabilities that significantly exceed traditional communications DSP cores, yet consumes a fraction of
the power.
The CPU su syste features a high perfor a e MIP“ Mi roAptiv™ pro essor r
unning a Linux OS with a
variety of host interfaces including USB 2.0, I2C, SPI, and UART. The module supports integrated VoLTE
functionality with a variety of narrow and wide-band CODECs and full IMS signaling.
1.1.
Features
3GPP category support: LTE CAT-1 with 10/5 Mbps for DL/UL
Embedded 512Mbit LPDDR
Embedded 256Mbit SPI NOR Flash
Ultra-high performance enhanced SDR processor
Embedded network processor with Linux OS
Integrated support for VoLTE including HD voice
Integrated PMU circuitry
Integrated RTC support
I terfere e Ca ellatio INCA™ apa ility
Optimized for the M2M and IoT markets
Interfaces:
–
HS USB2.0 with integrated PHY
–
Dual UART interfaces (4 bit and 2 bit) for high-speed data transfer and diagnostic tools
support
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SPI master interface
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Mobile LPDDR and PSRAM support
–
Serial NOR flash controller
–
USIM interface
–
I2S/PCM audio interface
–
GPIOs
–
One I2C interface
