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BK7238 Single chip Wi Fi 802.11n and Low Energy Bluetooth (BLE) 5.2 combination solution
Classification:
Product
IC/Optical Lotus
WIFI IC
- Product Description
-
- Commodity name: BK7238 Single chip Wi Fi 802.11n and Low Energy Bluetooth (BLE) 5.2 combination solution
Overview
BK7238 is a highly integrated single-chip Wi Fi 802.11n and Low Energy Bluetooth (BLE) 5.2 combination solution designed specifically for low-power and small space applications.
BK7238 integrates a powerful 32-bit MCU and a complete set of peripherals and interfaces, making it an ideal choice for advanced Internet of Things (IoT) applications.
BK7238 adopts advanced design and process technology, providing high integration and lowest power consumption in a very small package, suitable for smart lighting, smart home, indoor positioning, and other complex IoT applications.
characteristic
Wi-Fi
Compliant with IEEE 802.11 b/g/n 1x1 standard
• Supports 20 MHz channels
• Supports set-top boxes
• Working modes STA and SoftAP
AP and STA coexist
The output power of the optical transmitter can reach up to+19 dBm
Receiver sensitivity -99 dBm
Bluetooth Low Energy
Bluetooth Low Power 5.2
• Supports low-power Bluetooth (LE), 1 Mbps, 2 Mbps, and long-distance (125 kbps and 500 kbps)
• Advertising Expansion
Bluetooth Direction Finding: Angle of Arrival (AoA) and Angle of Departure (AoD)
• Supports antenna arrays with up to 16 antennas for precise positioning
Kernel and Memory
32-bit MCU with a frequency of up to 160 MHz
• 2 MB SiP flash
• 288 KB RAM
• 4-byte eFuse
UART/JTAG for downloading and debugging
Clock management
External oscillator: 26 MHz crystal oscillator (X26M)
Internal oscillator: 26~160 MHz digital controlled oscillator (DCO)
32 kHz Ring Oscillator (ROSC)
480 MHz Dual Phase Locked Loop
energy management
2.7 to 3.6 V VBAT power supply
• on-chip power on reset (POR) and power off detector (BOD)
Embedded LDO voltage regulator
Low power consumption:
-Active mode RX: 40 mA
-Low voltage sleep mode: 90 μ A
-Deep sleep mode: 10 μ A
-Off mode: 0.5 μ A
peripheral
QFN32 packages 19 GPIO, QFN20 packages 9 GPIO
• 1 SPI
2 UARTs: 1 supports flash download
• 1 I2C
One general-purpose DMA controller (GDMA) with 6 channels
6 32-bit PWM
10 bit SARADC, up to 6 channels
6 universal 32-bit timers
• 1 watchdog timer
1 real-time counter (RTC)
• 1 temperature sensor
1 true random number generator (TRNG)
encapsulation
QFN32 package, 4 x 4 millimeters
QFN20 package, 3 x 3 millimeters
• Operating temperature range: -40 to+105 ° C
8613632534755
Address: 12F, Building C, Tongjian Building, Nanyuan Street, Futian District, Shenzhen
