seekwave

EA6621 series chip

The EA6621 is a highly integrated Wi-Fi 6 & BT 5.0 Combo chip that supports a 1-stream 802.11ax solution and supports SDIO3.0, USB2.0 and HS-UART interfaces. WLAN MAC with full support for the final version of the Wi-Fi 6 Wave2 protocol, WLAN Baseband for 1T1R, and high-performance RF on a single chip. It is suitable for set-top boxes and TVS, tablets and mobile phones, IPC and other consumer electronic devices, and can be used in areas with high reliability requirements such as industrial interconnection.

The Wi-Fi function supports the following features:

Support IEEE 802.11a/b/g/n/ac/ax (support wave-2) wireless local area network communication protocol;

Support IEEE 802.11d /e/h/i/k/mc/r/v/w;

SDIO 3.0 interface system throughput 520Mbps;

System throughput 260Mbps under USB 2.0 interface;

Support Wi-Fi STA, AP, P2P, TDLS and other working modes;

Support 2G 40MHz bandwidth, 5G 80MHz bandwidth, 2G, 5G maximum support 1 stream, 1 antenna;

Maximum support 1024QAM modulation, LDPC, STBC;

Support UL/DL OFDMA, DL MU-MIMO;

Support QoS, support WFA WMM, WMM PS;

Support RSSI and CSI reporting;

Support as Beamformee, support 4*1 Tx Beamforming;

Support WPA, WPA2, WPA3 encryption and decryption, support WAPI, support WPS2.0;

Support ER, DCM, improve transceiver gain;

Supports 20in40/80/160, 80in160 HE PPDU, Partial band MU MIMO and other features to improve air port utilization.

Support BSS Color, Spatial Reuse and other features to improve the utilization of air.

Supports TWT, Intra-PPDU PS, VHT TXOP PS and other features to optimize dynamic power consumption in small-bandwidth, multi-BSS environments.

Support configurable competition parameters and policies;

Supports customizable scenario identification and dynamic configuration policies.

Support WOW;

TCP/UDP checksum offload is supported.

The BT function supports the following features:

Supports Bluetooth (BT+BLE) v2.1, v3.0, v4.2, and v5.0 features

Support HS-UART /SDIO/USB interface for BT data transmission

Supports the PCM/IIS interface for audio data transfers

The following types of PHY-BR/EDR/LE 1M/LE 2M/LE LR are supported

Support sco and esco link

Supports CVSD, MSBC, and PLC

Support SSP/Secure Connection

Supports low power mode (sniff, sniff sub-rating)

Supports BT/Wi-Fi TDD coexistence

RF:

Internal integration of 2.4G and 5G FEM

Host interface:

SDIO2.0, 3.3V (DS, HS)

SDIO3.0, 1.8V (SDR25/DDR50/SDR104)

4-wire UART with flow control (up to 4Mbps)

HOST WAKE, CP wakes up the interface of Host

CHIP WAKE, Host wakes up the interface of CP

Power:

Main power supply: Input voltage 3.3v ±10%

Universal interface power supply: Input voltage 3.3v ±10%, 1.8v ±10%

SDIO interface power supply: Input voltage 3.3v ±10%, 1.8v ±10%

Internal integration DCDC, LDO

Package:

QFNWB-5x5-48L, 0.35mm

SWT6652 series chips

The SWT6652 is a highly integrated Wi-Fi 6 & BT 5.3 Combo chip that supports a 2-stream 802.11ax multi-user MIMO solution and

supports high-performance PCIE and HS-UART interfaces. WLAN MAC with full support for the final version of the Wi-Fi 6 Wave2 protocol,

WLAN Baseband for 2T2R, and high-performance RF on a single chip. It is suitable for use in set-top boxes and TVS, tablets and mobile phones,

MINI PCIE or M.2 modules, laptops, IPC and other consumer electronic devices, and can be used in areas with high reliability requirements such as industrial interconnection.

The Wi-Fi function supports the following features:

Supports IEEE 802.11a/b/g/n/ac/ax (supports wave-2) wireless local area network communication protocol

l Support IEEE 802.11d /e/h/i/k/mc/r/v/w

lSDIO 3.0 interface The system throughput is 550Mbps

The system throughput of the lUSB 3.0 port is 900Mbps

The system throughput of an lPCIE interface is 1Gbps

l Support Wi-Fi STA, AP, P2P, TDLS and other single-mode working mode

l Supports multi-mode coexistence, such as DBDC and DBSC

Support 2G 40MHz bandwidth, 5G 80MHz bandwidth, 2G, 5G maximum support 2 antennas /2 streams

l Maximum support 1024QAM modulation, support LDPC, STBC

l Support UL/DL OFDMA and UL/DL MU-MIMO

l Support QoS, support WFA WMM, WMM PS

l Support RSSI and CSI reporting

Supports 2x2/2x1 Tx Beamforming as a Beamformer

Support as Beamformee, support 4X2 Tx Beamforming

l Support WPA, WPA2, WPA3 encryption and decryption, support WAPI, support WPS2.0

l Support ER and DCM to improve transceiver gain

l Supports 20in40/80/160, 80in160 HE PPDU, Partial band MU MIMO and other features to improve air port utilization

l Support BSS Color, Spatial Reuse and other features to improve air utilization

l Supports low power consumption in TWT and various dynamic working scenarios, optimizing dynamic power consumption in small-bandwidth and multi-BSS environments

l Support high-precision indoor positioning

l Supports configurable competition parameters and policies

l Supports customizable scenario identification and dynamic configuration policies

l Support WOW

l TCP/UDP checksum offload is supported

l Integrated LNA, PA, and T/R switch

The BT function supports the following features:

l Support Bluetooth (BT+BLE) v2.1, v3.0, v4.2, v5.3 features

l Support HS-UART /SDIO/USB/PCIE interface for BT data transmission

Supports PCM/IIS interface for audio data transmission and supports VOHCI

l Supports the following types of PHY, BR/EDR/LE 1M/LE 2M/LE LR

l Support sco and esco link

l Support CVSD/MSBC/LC3/PLC

l Support SSP/Secure Connection

l Support low power mode (sniff, sniff sub-rating)

l Support BT/WLAN FDD and TDD Coexist

l Support AOA/AOD

l Supports LE Audio

RF:

Internal integration of 2.4G and 5G FEM

l Support BT independent antenna and Wi-Fi common antenna

l Support 2.4G(Wi-Fi shared with BT) and 5G(Wi-Fi Only) dual antennas

Host interface:

lPCIe Gen2 (2.5GTPS and 5GTPS), EP

lUSB (1.1/2.0, FS/HS), Device Mode

lUSB (3.0, SS), Device Mode

lSDIO2.0, 3.3V (DS, HS)

lSDIO3.0, 1.8V (SDR25/DDR50/SDR104)

4-wire UART with flow control (up to 4Mbps)

lPCM and I2S (Master or Slave)

lGPIO and external input interrupt

PCIe Auxiliary Signals:

lPERST

lCLKREQ# (OD)

lWAKE# (OD)

lWF_RF_DISABLE#

lBT_RF_DISABLE#

lWF_LED

lBT_LED

Cellular coexistence interface:

lWCI2 (2W)

OTP:

l3Kbits

Debug interface:

lUART (2W)

lSWD (2W)

Package:

lQFNWB-7x7-68L, 0.35mm