碧德(BDE)是美国德州仪器(TI)第三方合作伙伴
BDE-BW20C是一款双处理器低功耗物联网网关模块,集成了多种无线技术和协议,包括2.4GHz和5GHz双频Wi-Fi 802.11a/b/g/n,蓝牙5.2低能耗,BLE mesh, Thread, Zigbee, IEEE 802.15.4, ipv6智能对象(6LoWPAN), Wi-SUN,专有系统,SimpleLink TI 15.4-Stack (2.4 GHz)和Dynamic Multiprotocol Manager (DMM)驱动程序。
该模块将一个低功耗双频Wi-Fi SoC CC3235SF和一个2.4GHz低功耗多协议无线SoC CC2652P与包括双频芯片天线在内的所有外部组件结合在一起。两个soc都集成了Arm®Cortex®-M4应用MCU,能够独立运行Wi-Fi/BLE共存设计。
- Wi-Fi Dual band 2.4GHz and 5GHz, 802.11a/b/g/n
- BLE5.2, Thread, Zigbee®, IEEE 802.15.4g, IPv6-enabled smart objects (6LoWPAN), Wi-SUN®, proprietary systems, SimpleLink™ TI 15.4-Stack (2.4 GHz), Dynamic Multiprotocol Manager (DMM).
- Dimension: 29mm x 29mm x 2.4mm
- Antenna: Integrated Dual-band chip antenna or UFL connector
- FCC, IC, CE-REC compliant
- 802.11a/b/g/n: 2.4 GHz and 5 GHz
- FIPS 140-2 Level 1 validated IC inside
- Multilayered security features help developers protect identities, data, and software IP
- Low-power modes for battery-powered applications
- Coexistence with 2.4-GHz radios
- Transferrable Wi-Fi Alliance® certification
- Application microcontroller subsystem:
- Arm® Cortex®-M4 core at 80 MHz
- User-dedicated memory:
- 256KB of RAM
- 1MB of executable flash
- Rich set of peripherals and timers:
- McASP supports two I2S channels
- SD, SPI, I2C, UART
- 8-bit synchronous imager interface
- 4-channel 12-bit ADCs
- 4 general-purpose timers (GPT) with 16-bit PWM mode
- Watchdog timer
- Up to 27 GPIO pins
- Debug interfaces: JTAG, cJTAG, SWD
- Wi-Fi network processor subsystem:
- Wi-Fi® core:
- 802.11 a/b/g/n 2.4 GHz and 5 GHz
- Modes:
- Access point (AP)
- Station (STA)
- Wi-Fi Direct® (only supported on 2.4GHz)
- Security:
- WEP
- WPA™/ WPA2™ PSK
- WPA2 Enterprise
- WPA3™ Personal
- Internet and application protocols:
- HTTPs server, mDNS, DNS-SD, DHCP
- IPv4 and IPv6 TCP/IP stack
-16 BSD sockets (fully secured TLS v1.2 and SSL 3.0)
- Built-in power management subsystem:
- Configurable low-power profiles (always on, intermittently connected, tag)
- Advanced low-power modes
- Integrated DC/DC regulators
- Multilayered security features:
- Separate execution environments
- Networking security
- Device identity and key
- Hardware accelerator cryptographic engines (AES, DES, SHA/MD5, CRC)
- File system security(encryption, authentication, access control)
- Initial secure programming
- Software tamper detection
- Secure boot
- Certificate signing request (CSR)
- Unique per device key pair
- Application throughput
- UDP: 16 Mbps
- TCP: 13 Mbps
- Power-Management Subsystem:
- Integrated DC/DC converters support a wide range of supply voltage:
- Single wide-voltage supply
VBAT: 2.3 V to 3.6 V
- Advanced low-power modes:
- Shutdown: 1 μA, Hibernate: 5.5 μA
- Low-power deep sleep (LPDS):120 μA
- Idle connected (MCU in LPDS): 710 μA
- RX traffic (MCU active): 59 mA
- TX traffic (MCU active): 223 mA
- Wi-Fi TX power
- 2.4 GHz: 16 dBm at 1 DSSS
- 5 GHz: 15.1 dBm at 6 OFDM
- Wi-Fi RX sensitivity
- 2.4 GHz: –94.5 dBm at 1 DSSS
- 5 GHz: –89 dBm at 6 OFDM
- Additional integrated components
- 40.0-MHz crystal
- 32.768-kHz crystal (RTC)
- 32Mbit SPI serial flash
- RF filters, diplexer and passive components
- Module supports the TI SimpleLink Developer's Ecosystem
BLE/Zigbee/Thread core Features
- Microcontroller
- 48-MHz Arm® Cortex®-M4F
- 352KB Programmable Flash
- 256KB of ROM for protocols and library functions
- 8KB of Cache SRAM (Alternatively available as general-purpose RAM)
- 80KB of ultra-low leakage SRAM. The SRAM is protected by parity to ensure high reliability of operation.
- 2-Pin cJTAG and JTAG debugging RF performance
- Supports Over-the-Air upgrade (OTA)
- Ultra-low power sensor controller with 4KB of SRAM
- Sample, store, and process sensor data
- Operation independent from system CPU
- Fast wake-up for low-power operation
- BQB, FCC, CE, RoHS compliant
- TI-RTOS, drivers, Bootloader, Bluetooth® 5 Low Energy Controller, and IEEE 802.15.4 MAC in ROM for optimized application size
- Peripherals
- Digital peripherals can be routed to any GPIO
- 4× 32-bit or 8× 16-bit general-purpose timers
- 12-Bit ADC, 200k Samples/s, 8 channels
- 2× comparators with internal reference DAC
- (1× continuous time, 1× ultra-low power)
- Programmable current source
- 2× UART
- 2× SSI (SPI, MICROWIRE, TI)
- I2C
- I2S
- Real-Time Clock (RTC)
- AES 128- and 256-bit Crypto Accelerator
- ECC and RSA Public Key Hardware Accelerator
- SHA2 Accelerator (Full suite up to SHA-512)
- True Random Number Generator (TRNG)
- Capacitive sensing, up to 8 channels
- Integrated temperature and battery monitor
- External system
- On-chip Buck DC/DC converter
- Low power
- Wide supply voltage range: 1.8 V to 3.8 V
- Active-Mode RX: 6.9 mA
- Active-Mode TX 0 dBm: 7.3 mA
- Active-Mode TX 5 dBm: 9.6 mA
- Active-Mode TX at +10 dBm: 22 mA
- Active-Mode TX at +20 dBm: 85 mA
- Active-Mode MCU 48 MHz (CoreMark):
- 3.4 mA (71 μA/MHz)
- Sensor Controller, Low Power-Mode, 2 MHz, running infinite loop: 30.1 μA
- Sensor Controller, Active-Mode, 24 MHz, running infinite loop: 808 μA
- Standby: 0.94 μA (RTC on, 80KB RAM and CPU retention)
- Shutdown: 150 nA (wakeup on external events)
- Radio section
- 2.4 GHz RF transceiver compatible with Bluetooth 5 Low Energy and IEEE 802.15.4 PHY and MAC
- Excellent receiver sensitivity:
- 100 dBm for 802.15.4 (2.4 GHz),
- –105 dBm for Bluetooth 125-kbps (LE Coded PHY)
- Output power up to +20 dBm with temperature compensation
-Suitable for systems targeting compliance with worldwide radio frequency regulations
- Wireless protocols
- Thread, Zigbee®, Bluetooth® 5 Low Energy, IEEE 802.15.4g, IPv6-enabled smart objects (6LoWPAN), Wi-SUN®, proprietary systems, SimpleLink™ TI 15.4-Stack (2.4 GHz), and Dynamic Multiprotocol Manager (DMM) driver.