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Cypress Semiconductor Electronic Components Datasheet

CG8674 Datasheet

Single-Chip 5G WiFi IEEE 802.11ac 22 MAC/Baseband/Radio

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ADVANCE
CYW4356/CG8674
Single-Chip 5G WiFi IEEE 802.11ac 2×2 MAC/
Baseband/Radio with Integrated Bluetooth 5.0
The Cypress CYW4356 is a complete dual-band (2.4 GHz and 5 GHz) 5G WiFi 2 × 2 MIMO MAC/PHY/Radio System-on-a-Chip. This
Wi-Fi single-chip device provides a high level of integration with dual-stream IEEE 802.11ac MAC/baseband/radio, Bluetooth 5.0.
Additionally, it supports wireless charging. In IEEE 802.11ac mode, the WLAN operation supports rates of MCS0–MCS9 (up to 256
QAM) in 20 MHz, 40 MHz, and 80 MHz channels for data rates up to 867 Mbps. In addition, all the rates specified in IEEE 802.11a/
b/g/n are supported. Included on-chip are 2.4 GHz and 5 GHz transmit power amplifiers and receive low noise amplifiers.
For the WLAN section, several alternative host interface options are included: an SDIO v3.0 interface that can operate in 4b or 1b
modes, and a PCIe v3.0 compliant interface running at Gen1 speeds. For the Bluetooth section, host interface options of a high-speed
4-wire UART and USB 2.0 full-speed (12 Mbps) are provided.
The CYW4356 uses advanced design techniques and process technology to reduce active and idle power, and includes an embedded
power management unit that simplifies the system power topology.
In addition, the CYW4356 implements highly sophisticated enhanced collaborative coexistence hardware mechanisms and algorithms
that ensure that WLAN and Bluetooth collaboration is optimized for maximum performance. Coexistence support for external radios
(such as LTE cellular and GPS) is provided via an external interface. As a result, enhanced overall quality for simultaneous voice,
video, and data transmission on a handheld system is achieved.
This data sheet provides details on the functional, operational, and electrical characteristics for the Cypress CYW4356. It is intended
for hardware design, application, and OEM engineers.
Cypress Part Numbering Scheme
Cypress is converting the acquired IoT part numbers from Broadcom to the Cypress part numbering scheme. Due to this conversion,
there is no change in form, fit, or function as a result of offering the device with Cypress part number marking. The table provides
Cypress ordering part number that matches an existing IoT part number.
Table 1. Mapping Table for Part Number between Broadcom and Cypress
Broadcom Part Number
BCM4356
BCM4330
BCM4356XKWBG
CG8674AAT (BCM4356XKUBGT)
CG8674AA (BCM4356XKUBG)
Cypress Part Number
CYW4356
CYW4330
CYW4356XKWBG
CG8674BAT (CYW4356XKUBGT)
CG8674BA (CYW4356XKUBG)
Figure 1. Functional Block Diagram
VIO VBAT
WLAN 
Host I/F
WL_REG_ON
PCIe
SDIO
External 
Coexistence I/F
COEX
Bluetooth Host I/F 
CLK_REQ
BT_REG_ON
UART
USB 2.0
I2S
PCM
BT_DEV_WAKE
BT_HOST_WAKE
5G WLAN
T/R Switch
2G WLAN
T/R Switch
CYW4356
5G WLAN
T/R Switch
2G WLAN Tx
2.G WL/BT Rx 3PST Switch
BT Tx
Ant1
Diplexer
Ant0
Diplexer
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 002-20538 Rev. *B
• San Jose, CA 95134-1709 • 408-943-2600
Revised Friday, July 27, 2018


Cypress Semiconductor Electronic Components Datasheet

CG8674 Datasheet

Single-Chip 5G WiFi IEEE 802.11ac 22 MAC/Baseband/Radio

No Preview Available !

ADVANCE
CYW4356/CG8674
Features
IEEE 802.11X Key Features
IEEE 802.11ac Draft compliant.
Dual-stream spatial multiplexing up to
867 Mbps data rate.
Supports 20, 40, and 80 MHz channels with optional SGI (256
QAM modulation).
Full IEEE 802.11a/b/g/n legacy compatibility with enhanced
performance.
TX and RX low-density parity check (LDPC) support for
improved range and power efficiency.
Supports IEEE 802.11ac/n beamforming.
On-chip power amplifiers and low-noise amplifiers for both
bands.
Supports various RF front-end architectures including:
Two antennas with one each dedicated to Bluetooth and
WLAN.
Two antennas with WLAN diversity and a shared Bluetooth
antenna.
Shared Bluetooth and WLAN receive signal path eliminates
the need for an external power splitter while maintaining
excellent sensitivity for both Bluetooth and WLAN.
Bluetooth Key Features
Qualified for Bluetooth Core Specification 5.0:
QDID: 115131
Declaration ID: D038396
Supports Basic Rate (BR), Enhanced Data Rate (EDR) and
Bluetooth Low Energy (BLE)
Bluetooth Class 1 or Class 2 transmitter operation.
Supports extended synchronous connections (eSCO), for
enhanced voice quality by allowing for retransmission of
dropped packets.
Adaptive frequency hopping (AFH) for reducing radio
frequency interference.
General Features
Supports battery range from 3.0V to 5.25V supplies with
internal switching regulator
Programmable dynamic power management
484 bytes of user-accessible OTP for storing board param-
eters
GPIOs: 11 in WLBGA, 16 in WLCSP
Package options:
192-ball WLBGA (4.87 mm × 7.67 mm, 0.4 mm pitch
395-bump WLCSP (4.87 mm × 7.67 mm, 0.2 mm pitch)
Internal fractional nPLL allows support for a wide range of
reference clock frequencies.
Supports IEEE 802.15.2 external coexistence interface to
optimize bandwidth utilization with other co-located wireless
technologies such as LTE or GPS.
Supports standard SDIO v3.0 (up to SDR104 mode at
208 MHz, 4-bit and 1-bit) host interfaces.
Backward compatible with SDIO v2.0 host interfaces.
PCIe mode complies with PCI Express base specification
revision 3.0 for ×1 lane and power management running at
Gen1 speeds.
Supports Active State Power Management (ASPM).
Integrated ARMCR4 processor with tightly coupled memory
for complete WLAN subsystem functionality, minimizing the
need to wake up the applications processor for standard
WLAN functions. This allows for further minimization of power
consumption, while maintaining the ability to field upgrade with
future features. On-chip memory includes 768 KB SRAM and
640 KB ROM.
OneDriversoftware architecture for easy migration from
existing embedded WLAN and Bluetooth devices as well as
future devices.
Supports A4WP wireless charging with the BCM59350.
Interface support, host controller interface (HCI) using a USB
or high-speed UART interface and PCM for audio data.
USB 2.0 full-speed (12 Mbps) supported for Bluetooth.
Low power consumption improves battery life of handheld
devices.
Supports multiple simultaneous Advanced Audio Distribution
Profiles (A2DP) for stereo sound.
Automatic frequency detection for standard crystal and TCXO
values.
Security:
WPA and WPA2 (Personal) support for powerful encryption
and authentication
AES and TKIP in hardware for faster data encryption and
IEEE 802.11i compatibility
Reference WLAN subsystem provides Cisco Compatible
Extensions (CCX, CCX 2.0, CCX 3.0, CCX 4.0, CCX 5.0)
Reference WLAN subsystem provides Wi-Fi Protected Set-
up (WPS)
Worldwide regulatory support: Global products supported with
worldwide homologated design.
Document Number: 002-20538 Rev. *B
Page 2 of 144


Part Number CG8674
Description Single-Chip 5G WiFi IEEE 802.11ac 22 MAC/Baseband/Radio
Maker Cypress Semiconductor
Total Page 30 Pages
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