English
Language : 

AR4100 Datasheet, PDF (6/29 Pages) Freescale Semiconductor, Inc – Low power modes consuming as little as 5 μA of current
AR4100 System in Package 802.11n: NDA Availability Data Sheet
Introduction
1.2 AR4100 Features
AR4100, ultra-low power, single stream (1x1) IEEE 802.11n featuring:
 Low energy
 Low power modes consuming as little as 5 μA of current
 System reference design with standby current as low as 2.7 μA
 Fast wake up from inexpensive external NVMEM (SPI flash device)
 Modular regulatory approval available for FCC and other bodies
1.3
 Low system resource requirements:
 Small, simple host driver
 Enable low resource MCU hosts
m  Simple low cost wireless system integration:
 Simple to assemble BGA-like package
o  Simple design supporting 2- or 4- layer PCB support
.c  Near zero RBOM
 Integrated: RF front end, RF shield, 32 KHz sleep clock, and system clock
 Direct connect to a 50-Ω antenna
le  Qualcomm Atheros world class leading 802.11n WiFi:
 Best in class Rx sensitivity for superior throughput rate-over-range performance
 Integrated high-power, high efficiency linearized Power Amplifier
a  Low density parity check (LDPC) encoding for improved uplink robustness over range
c  WiFi Protected Setup (WPS) 2.0
 Standard interfaces:
s  SPI slave, SPI master
www.free System Block Diagram
MKG-16487 Ver. 5.0
6
Qualcomm Atheros, Inc.
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION