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Cypress Semiconductor Electronic Components Datasheet

CYW4356 Datasheet

Single-Chip 5G WiFi IEEE 802.11ac 2 x 2 MAC/Baseband/Radio

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ADVANCE
CYW4356
Single-Chip 5G WiFi IEEE 802.11ac 2×2 MAC/
Baseband/Radio with Integrated Bluetooth 4.1,
FM Receiver, and Wireless Charging
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 4.1, and
FM radio receiver. 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
BCM4356XKUBG
BCM4356XKWBG
CYW4356
CYW4330
CYW4356XKUBG
CYW4356XKWBG
Cypress Part Number
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 002-15053 Rev. *D
• San Jose, CA 95134-1709 • 408-943-2600
Revised Monday, November 14, 2016


Cypress Semiconductor Electronic Components Datasheet

CYW4356 Datasheet

Single-Chip 5G WiFi IEEE 802.11ac 2 x 2 MAC/Baseband/Radio

No Preview Available !

ADVANCE
CYW4356
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 
FM Rx Host I/F
CLK_REQ
BT_REG_ON
UART
USB 2.0
I2S
PCM
BT_DEV_WAKE
BT_HOST_WAKE
FM I/F
FM Audio Out
I2S
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
FM Rx
Ant1
Diplexer
Ant0
Diplexer
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.
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.
Document Number: 002-15053 Rev. *D
Page 2 of 155


Part Number CYW4356
Description Single-Chip 5G WiFi IEEE 802.11ac 2 x 2 MAC/Baseband/Radio
Maker Cypress Semiconductor
Total Page 30 Pages
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