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PDF CYW20706 Data sheet ( Hoja de datos )
| Número de pieza | CYW20706 | |
| Descripción | Embedded Bluetooth 4.2 SoC | |
| Fabricantes | Cypress Semiconductor | |
| Logotipo |  |
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CYW20706
Embedded Bluetooth 4.2 SoC with MCU, Bluetooth
Transceiver, and Baseband Processor
The Cypress CYW20706 is a monolithic, single-chip, Bluetooth 4.2 + HS compliant SOC, comprising a baseband processor, an ARM
Cortex-M3 processor, and an integrated transceiver. It is designed for use in embedded applications, with on-chip support for an
embedded stack. Manufactured using the industry's most advanced 40 nm CMOS low-power process, the CYW20706 employs the
highest level of integration, eliminating all critical external components, and thereby minimizing the device’s footprint and costs
associated with the implementation of Bluetooth solutions.
The CYW20706 is the optimal solution for voice, data, home automation, accessories and other applications that require a Bluetooth
SIG standards-compliant interface. The CYW20706 supports a host command interface (HCI) through USB or UART and also
supports PCM audio.
The CYW20706 transceiver’s enhanced radio performance meets the most stringent industrial temperature application requirements
for compact integration into mobile handset and portable devices. The CYW20706 provides full radio compatibility, enabling it to
operate simultaneously with GPS and cellular radios.
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
BCM20706
BCM20706UA1KFFB1G
Cypress Part Number
CYW20706
CYW20706UA1KFFB1G
Features
■ Complies with Bluetooth Core Specification Version 4.2+ HS
with provisions for supporting future specifications
■ 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
Applications
■ Interface support for USB or high-speed UART interface and
PCM for audio data
■ USB2.0 full-speed (12 Mbps)
■ Supports Broadcom proprietary 2 Mbps low energy mode.
■ Ultra-low power consumption
■ Supports serial flash interfaces
■ Available in a 49-ball FcBGA package
■ Supports mobile and PC applications without external memory
■ 125-bump WLCSP available December 2014
■ Home automation gateways, audio streaming, and other home automation use cases
■ Bluetooth 4.2 embedded peripheral devices and accessories
■ Personal digital assistants
■ Automotive telematic systems
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 002-14790 Rev. *A
• San Jose, CA 95134-1709 • 408-943-2600
Revised Thursday, September 29, 2016
1 page  
CYW20706
■ High-speed UART transport support
❐ H4 five-wire UART (four signal wires, one ground wire)
❐ Maximum UART baud rates of 4 Mbps
❐ Low-power out-of-band BT_WAKE and HOST_WAKE signaling
❐ Proprietary compression scheme (allows more than two simultaneous A2DP packets and up to five devices at a time)
■ HCI USB transport support
❐ USB version 2.0 full-speed compliant interface
❐ UHE (proprietary method for emulating a human interface device (HID) at system boot up)
■ Standard Bluetooth test modes
■ Extended radio and production test mode features
■ Full support for power savings modes:
❐ Bluetooth standard sniff
❐ Deep sleep modes and regulator shutdown
■ Built-in LPO clock
■ Larger patch RAM space to support future enhancements
■ Serial flash Interface with native support for devices from several manufacturers
■ One-Time Programmable (OTP) memory
Document Number: 002-14790 Rev. *A
Page 5 of 50
5 Page 
CYW20706
3.4 Link Control Layer
The link control layer is part of the Bluetooth link control functions that are implemented in dedicated logic in the link control unit (LCU).
This layer consists of the command controller that takes commands from the software, and other controllers that are activated or
configured by the command controller, to perform the link control tasks. Each task performs a different state in the Bluetooth Link
Controller.
■ Major states:
❐ Standby
❐ Connection
■ Substates:
❐ Page
❐ Page Scan
❐ Inquiry
❐ Inquiry Scan
❐ Sniff
3.5 Test Mode Support
The CYW20706 fully supports Bluetooth Test mode as described in Specification of the Bluetooth Core v4.2, which includes the
transmitter tests, normal and delayed loopback tests, and reduced hopping sequence. In addition to the standard Bluetooth Test Mode,
the CYW20706 also supports enhanced testing features to simplify RF debugging and qualification and type-approval testing,
including:
■ Fixed frequency carrier wave (unmodulated) transmission
❐ Simplifies some type-approval measurements (Japan)
❐ Aids in transmitter performance analysis
■ Fixed frequency constant receiver mode
❐ Receiver output directed to I/O pin
❐ Allows for direct BER measurements using standard RF test equipment
❐ Facilitates spurious emissions testing for receive mode
■ Fixed frequency constant transmission
❐ 8-bit fixed pattern, PRBS-9, or PRBS-15
❐ Enables modulated signal measurements with standard RF test equipment
3.6 Power Management Unit
The Power Management Unit (PMU) provides power management features that can be invoked through power management registers
or packet handling in the baseband core. This section contains descriptions of the PMU features.
3.6.1 RF Power Management
The BBC generates power-down control signals for the transmit path, receive path, PLL, and power amplifier to the 2.4 GHz trans-
ceiver. The transceiver then processes the power-down functions, accordingly.
3.6.2 SoC Power Management
The host can place the device in a sleep state, in which all nonessential blocks are powered off and all nonessential clocks are
disabled. Power to the digital core is maintained so that the state of the registers and RAM is not lost. In addition, the CYW20706
internal LPO clock is applied to the internal sleep controller so that the chip can wake automatically at a specified time or based on
signaling from the host. The goal is to limit the current consumption to a minimum, while maintaining the ability to wake up and resume
a connection with minimal latency.
If a scan or sniff session is enabled while the device is in Sleep mode, the device automatically will wake up for the scan/sniff event,
then go back to sleep when the event is done. In this case, the device uses its internal LPO-based timers to trigger the periodic wake
up. While in Sleep mode, the transports are idle. However, the device can wake up at any time. If signaled to wake up while a scan
or sniff session is in progress, the session continues but the device will not sleep between scan/sniff events. Once Sleep mode is
enabled, the wake signaling mechanism can also be thought of as a sleep signaling mechanism, since removing the wake status will
often cause the device to sleep.
In addition to a Bluetooth device wake signaling mechanism, there is a host wake signaling mechanism. This feature provides a way
for the Bluetooth device to wake up a host that is in a reduced power state.
Document Number: 002-14790 Rev. *A
Page 11 of 50
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CYW20706.PDF ] | |
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