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Timeline[edit]

spun out from Electronics and Telecommunications Research Institute (ETRI)

Wireless chipsets[edit]

Chip Interface PHY
modes
MIMO
config
First seen
(FCC)
Target Market Notes ESystems PR /
PPage
NRC1291 SDIO 3.0 abgn+ac 1x1:1 Power-efficient WiFi
for mobile devices
802.11ac/BT 4.2 Combo
40nm LP‐CMOS SoC
0
Empty strings are not accepted.
devices
PPage
NRC6101 ah 1x1:1 sensor for next generation
IoT/M2M solutions
large scale sensor networks,
extended range hotspots
0
Empty strings are not accepted.
devices
PPage
NRC6171 bgn 1x1:1 sensor for next generation
IoT/M2M solutions
WFA Wi‐Fi Direct, Aware
Baseband/MAC
0
Empty strings are not accepted.
devices
PPage
NRC6181 bgn 1x1:1 sensor for next generation
IoT/M2M solutions
RF/Baseband/MAC
40nm CMOS SoC
0
Empty strings are not accepted.
devices
PPage
NRC6271 abgn+ac 1x1:1 sensor for next generation
IoT/M2M solutions
802.11a/b/g/n/ac
Baseband/MAC
0
Empty strings are not accepted.
devices
PPage
NRC6281 abgn+ac 1x1:1 sensor for next generation
IoT/M2M solutions
RF/Baseband/MAC
40nm CMOS SoC
0
Empty strings are not accepted.
devices
PPage
NRC7191 ah 1x1:1 sensor for next generation
IoT/M2M solutions
750MHz - 950MHz
RF/Baseband/CPU
40nm LP‐CMOS SoC
ARM Cortex-M0/M3
0
Empty strings are not accepted.
devices
PPage
NRC7271 ah 1x1:1 sensor for next generation
IoT/M2M solutions
750MHz - 950MHz
802.11ah draft 5.0
AP Baseband/MAC
0
Empty strings are not accepted.
devices
PPage
NRC8501 SDIO 3.0 abgn+ac 1x1:1 Power-efficient WiFi
for mobile devices
include BT 4.x modules,
RF radio integrated
0
Empty strings are not accepted.
devices
PPage
WiFi SoC for mobile handsets

The most performance and power efficient Wi-Fi 802.11a/b/g/n/ac and Bluetooth 4.2 combo chipset.
The chipset shall have an on chip SRAM big enough to store the needed firmware and as well to comply with 
several host offloading applications. Easy extension structure to Wi-Fi 802.11ax after standardizing
Key Features
Wi-Fi
Single stream spatial multiplexing up to 433Mbps data rate
Supports 20, 40, and 80MHz channel with optional SGI (256 QAM modulation)
LDPC support
Pre-calibrated and self-calibrated RF radio system is integrated to a SoC
Bluetooth
Bluetooth2.1 + EDR and Bluetooth 4.2 BLE (Bluetooth Low Energy) are supported
PCL (Packet Loss Concealment), WBS (Wide Band Speech) are supported
Benefits
No other RF transceiver is needed because high performance RF system is integrated
Low power and high performance Wi-Fi/Bluetooth designs are available for not only SoC but also reusable IP
Physical Interfaces
SDIO and SPI for host I/F
Peripheral I/F: I2C, I2S, UART, JTAG, GPIO
Application
Main target applications
Mobile phone/tablet application
Secondary target applications
Remote Controls
Home/Office automation devices
Smart grid
Industrial automation
HID appliances (Mouse, Keyboards)

Long coverage Wi-Fi SoC for Smart Grid & IoT services

An ultra-low power sensor chip provided at an exceptionally competitive price, this cost-effective and efficient solution
Large scale sensor networks, extended range hotspots, and outdoor Wi-Fi supporting 802.11ah standard
Key Features
802.11ah
Single stream up to 2.167Mbps data rate
Data symbol block-wise repeated for increasing the reliability
Supports 1 and 2MHz channel bandwidth with optional Short Guard interval
Support TWT (Target Wake Time) function for power saving
SoC
Multi cores SoC system with dual ARM processors
Low Power processor (Main CPU) for application software
Low Power processor (WLAN CPU) for WLAN software
BUS System supports 2-Layer and Full Matrix AHB
Low Power Design
Benefits
Wide range, Low power Wi-Fi solution is available for not only SoC but also reusable IP
Physical Interfaces
Peripheral I/F: I2C, HSUART, UART, SSP, SPI
Application
Main target applications
Smart Grid/Extend Wi-Fi coverage
Secondary target applications
Remote Controls
Home/Office automation devices
Industrial automation

NRC6231 - 2.4/5GHz Dual Band 40nm LP‐CMOS RF Transceiver

This dual band RF transceiver IP is a complete radio front‐end, optimized for 802.11a/b/g/n/ac 
SoC implementation, based on the industry’s proven direct conversion transceiver architecture.
NRC6231_diagram_overlay
Key Features
Dual band transceiver for 802.11ac
Compliant with 802.11a/b/g/n
Supports up to 80MHz channel BW
Integrated power amplifiers
Integrated LDOs
TX LOFT/IQ mismatch calibration
RX IQ mismatch calibration
Fast AGC using built‐in RSSI
PAPD calibration
LPF calibration
PLL calibration
Bias current calibration
Support of external FEM modules
Internal temperature sensing
Internal battery monitoring

NRC7141 - Sub 1GHz 40nm LP‐CMOS RF Transceiver

The RF transceiver IP is a complete radio front‐end optimized for sub‐GHz band, 802.11ah SoC 
implementation, based on the industry’s proven direct conversion transceiver architecture.
NRC7141_diagram_overlay
Key Features
Low power sub‐GHz band transceiver for 802.11ah
Compliant with 802.11ah draft 5.0
Support up to 16MHz channel BW
Integrated power amplifiers
Integrated LDOs
TX LOFT/IQ mismatch calibration
RX IQ mismatch calibration
Fast AGC using built‐in RSSI
LPF calibration
PLL calibration
Bias current calibration
Support of external FEM modules
Internal temperature sensing
Internal battery monitoring

NRC6111 - 2.4GHz 40nm LP‐COMS RF Transceiver

This complete radio front‐end and dual band RF transceiver IP is optimized for 802.11b/g/n SoC implementation, 
based on the industry’s proven direct conversion transceiver architecture. The RF transceiver IP has fully 
integrated power amplifiers along with the capability to support various commercial external FEM support. 
RF IO ports are single ended and fractional‐N synthesizers while the power amplifiers and LDOs are fully 
integrated for minimum BOM and PIN counts.
NRC6111_diagram_overlay
Key Features
Compliant with 802.11b/g/n
Supports up to 40MHz channel BW
Integrated power amplifiers and R/TX switch
Integrated LDOs
Wide supply voltage supportable integrated DC‐DC
TX LOFT/IQ mismatch calibration
RX IQ mismatch calibration
Fast AGC using built‐in RSSI
PAPD calibration
LPF calibration
PLL calibration
Bias current calibration
Internal temperature sensing
Internal battery monitoring

NRC8111 - 2.4GHz 40nm LP‐COMS RF Transceiver for Bluetooth

This RF transceiver IP is a complete radio front‐end optimized for Bluetooth SoC implementation 
integrating Basic Rate (BR), Enhanced Data Rate (EDR), Low Energy (LE) features fully compatible 
with the Bluetooth 4.2 specification. It has fully integrated power  amplifiers, RF switch, a 
fractional‐N synthesizer, and LDOs for minimum BOM and PIN counts. A special LPO for the high 
Sleep Clock Accuracy (SCA) is also integrated for the low power Bluetooth (BLE) applications.
NRC8111_diagram_overlay
Key Features
2.4GHz RF transceiver for Bluetooth
Compliant with BT Core 4.2 specification
Supports BR/EDR/BLE modes
Integrated RF switch
Integrated LDOs
TX LOFT/IQ mismatch calibration
RX IQ mismatch calibration
Fast AGC using built‐in RSSI
LPO calibration
LPF calibration
PLL calibration
Bias current calibration
Internal temperature sensing
Internal battery monitoring

NRC6271 - 802.11a/b/g/n/ac Baseband/MAC IP

The NRC6271 is silicon‐proven dual band 802.11a/b/g/n/ac Baseband/MAC wireless solution 
for low‐power and high‐throughput mobile and Internet of Things (IoT) applications.
NRC6271_diagram_overlay
Key Features
Compliant with 802.11a/b/g/n/ac
Low‐Power and High‐Throughput 1×1
Dual Band 802.11ac
Data rate up to 433Mbps
256‐QAM, 80MHz bandwidth for high data rate
LDPC and SGI support
Supports SU/MU Beamforming packet reception and feedback
Optional A‐MSDU, A‐MPDU, Quiet Channel, and Link Adaptation support

NRC6281 - 433Mbps 802.11ac RF/Baseband/MAC 40nm CMOS SoC

The NRC6281 is the silicon‐proven dual‐band 802.11a/b/g/n/ac RF/Baseband/MAC wireless solution 
for low power and high‐throughput mobile or Internet of Things (IoT) applications.
NRC6281_diagram_overlay
Key Features
Compliant with 802.11a/b/g/n/ac
Low‐Power and High‐Throughput 1×1
Dual Band 802.11ac
Data rate up to 433Mbps
256‐QAM, 80MHz bandwidth for high data rate
LDPC and SGI support
Supports SU/MU Beamforming packet reception and feedback
Optional A‐MSDU, A‐MPDU, Quiet Channel and Link Adaptation support
Dual band transceiver for 802.11a/b/g/n/ac
Integrated power amplifiers
Integrated LDOs
Support of external FEM modules
Built‐in calibration

NRC6181 - 802.11n RF/Baseband/MAC 40nm CMOS SoC

The NRC6181 is silicon‐proven, highly integrated 802.11n RF/Baseband/MAC solution operating in a single-stream 
mode for low‐power standalones, embedded stations, access points, and Internet of Things (IoT) applications. 
This IP supports both mandatory and optional features of the IEEE 802.11n standard and its corresponding Wi‐Fi 
Alliance certifications. It can also be used in a variety of configurations, including 802.11b only and 
802.11b/g or 802.11b/g/n combinations.
NRC6181_diagram_overlay
Key Features
Supports WFA Wi‐Fi Direct, Wi‐Fi Aware, PMF and WPS
Frequency band: 2.4GHz
Modulation modes:
‐ OFDM with BPSK, QPSK, 16‐QAM,
64‐QAM, DSSS, CCK
Supported data rates:
‐ 802.11b: 1 to 11Mbps
‐ 802.11g: 6 to 54Mbps
‐ 802.11n: 6.5 to 72.2Mbps
Power saving: Legacy, WMM‐PS
Integrated low power 32‐bit MCU
Integrated TCP/IP protocol stack
Supports STA/AP/STA+AP operation modes
Built‐in calibration
Memory:
‐ Highly compact, small size internal
RAM/ROM
‐ External Flash interfaces

NRC6171 - 802.11b/g/n Baseband/MAC IP

The NRC6171 is the IEEE 802.11n Baseband/MAC wireless solution operating in a single‐stream mode for 
low‐power standalones, embedded stations, access points, and Internet of Things (IoT) applications.
NRC6171_diagram_overlay
Key Features
Supports WFA Wi‐Fi Direct, Wi‐Fi Aware, PMF and WPS
Frequency band: 2.4GHz
Modulation modes:
‐ OFDM with BPSK, QPSK, 16‐QAM,
64‐QAM, DSSS, CCK
Supported data rates:
‐ 802.11b: 1 to 11Mbps
‐ 802.11g: 6 to 54Mbps
‐ 802.11n: 6.5 to 72.2Mbps
Power saving: Legacy, WMM‐PS
Integrated low power 32‐bit MCU
Integrated TCP/IP protocol stack
Supports STA/AP/STA+AP operation modes
Built‐in calibration
Memory:
‐ Highly compact, small size internal
RAM/ROM
‐ External Flash interfaces

NRC7191 - 802.11ah RF/Baseband/CPU 40nm LP‐CMOS SoC

The NRC7191 is a powerful SoC solution for IEEE 802.11ah. 
It has fully integrated radio transceiver and baseband processor, 
which can also be used as an application processor.
NRC7191_diagram_overlay
Key Features
Complies with 802.11ah draft 5.0
Prepared for upcoming WFA ERah certification
Modem:
‐ Supports 1/2MHz bandwidth
‐ MCS 0, 1, 2, and 10
‐ Power Saving: Target Wake Time (TWT)
‐ Security: AES‐CCMP
CPU:
‐ Dual Processor ARM Cortex - M0 / M3
Memory:
‐ 704KB System SRAM
‐ External Flash interfaces
System peripherals:
‐ 4 ch. 32‐bits timers
‐ 3 ch. 32‐bits Watchdog timers
Communication peripherals:
‐ GPIO: 4 ch., 8 bits
‐ Serial Interface: 2 SPI, 3 UART
‐ I2C: 1ch.

NRC7271 - 802.11ah AP Baseband/MAC IP

The 802.11 standard is most widely adopted for wireless connectivity technology and has evolved steadily. 
Although, most of the enhancements have been focused on a small number of high data rate devices such as laptop 
and smartphone, the new 802.11ah standard is intended for a large number of low data rate devices such as sensors 
and Internet of Things (IoT) applications.
NRC7271_diagram_overlay
Key Features
Complies with 802.11ah draft 5.0
Prepared for upcoming WFA ERah certification
Low‐Power and High‐Throughput 1×1 802.11ah‐AP
Modulation modes:
‐ OFDM with BPSK, QPSK, 16QAM, 64QAM
Supported data rates:
‐ 1MHz BW: 150Kbps to 3.3Mbps
‐ 2MHz BW: 650Kbps to 6.5Mbps
‐ 4MHz BW: 1350Kbps to 15Mbps

NRC1291 - 802.11ac/BT 4.2 Combo 40nm LP‐CMOS SoC

The NRC1291 is a PPA competitive Wi‐Fi and Bluetooth (BT) combo 
System‐on‐Chip (SoC) that is targeted for mobile solution.
NRC1291_diagram_overlay
Key Features
40nm LP‐CMOS Wi‐Fi/BT Combo SoC
Wi‐Fi and BT combo architecture:
‐ PPA competitive SoC IP (small size)
‐ 2.4/5GHz 1×1 802.11a/b/g/n/ac
Wi‐Fi
‐ BT 2.1 + EDR and BT 4.2 (BLE)
Host interface:
‐ SDIO 3.0 including SPI mode
‐ High speed UART
‐ I2S
Li‐Ion VBAT (2.7 to 5.5V)
Power management:
‐ Fully integrated power mgmt.
(supports programmable feature)
Wafer level CSP or WLBGA

NRC8171 - Bluetooth Smart Ready 4.2 Baseband IP

The NRC8171 is silicon‐proven Bluetooth Smart Ready IP solution. 
It is fully compliant with 2.1+EDR and BT Low Energy (LE) 4.2 
standard, tested, and certified as a dual mode BT controller.
NRC8171_diagram_overlay
Key Features
BR/EDR features:
‐ Master role with up to 7 slaves
‐ Up to 2 synchronous connections
‐ 3 simultaneous scatternet
‐ Legacy and secure simple pairing
‐ Connection slave broadcast
‐ Triggered clock capture
‐ Low power mode (Sniff and Hold)
‐ Legacy and secure simple pairing
‐ HSUART interface for HCI
‐ I2S interface for voice
‐ Coexistence interface
LE features:
‐ 4 Roles (Peripheral, Central, Broadcaster, Observer)
‐ Up to 8 connections
‐ LE data packet length extension, LE privacy, Ping
‐ Fast connection with low duty cycle direct advertising
‐ AES‐CCM HW accelerator

External Links[edit]

References[edit]