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CST92F30 is a highly integrated low-power Bluetooth SOC chip based on the low-power Bluetooth 5.0 protocol stack. The chip has a built-in 32-bit Cortex-M0 CPU, 512 KB flash, and 138 KB SRAM. It has internationally leading low power consumption, communication distance, and anti-interference performance, while ensuring lower costs.

Processor

ARM Cortex-M0 32-bit processor

Memory

512KB Flash
138KB SRAM

2.4G Transceiver

BLE 5.0 support
Single-ended RFIO
Supports four transmission rates
-2 Mbps
-1 Mbps
-500 Kbps
-125 Kbps
Transmit power -20~10 dBm adjustable, 3 dBm step

Receiving Sensitivity

—-94dBm@BLE 2Mbps
—-97dBm@BLE 1Mbps
—-98dBm@BLE 500Kbps
—-103dBm@BLE 125Kbps

Power Consumption

Transmit mode 8 mA@0 dBm Tx power
Receiving mode 8 mA
Sleep mode 2 uA
OFF mode 0.7 uA

Oscillator

Supports 16M XTAL

Peripheral Features

34 or 20 GPIOs
-Digital peripherals can be mapped to any IO port
-All GPIOs support wake-up input
-With 18 external interrupt inputs

6-channel PWM
Quadrature decoder
1-channel PDM interface
2-channel I2C interface
1 channel UART interface
2-channel SPI interface
Supports 16*18 keyboard scan
12-bit ADC, supports 6-channel external input
8 x 24-bit Timer
WDT
RTC
Random number generator RNG
JTAG debugging

CMOS technology

Voltage working range: VIN 1.8 V~3.6 V
Embedded 1.35 V BUCK DCDC converter

Package

QFN32（4*4mm）
QFN48（5*5mm）

Stow

Technical Documentation

Product manual(2)

Design and development

Tools/Software

CSWrite V3.2.4

CSWriterUx V3.2.4 is the latest burning tool software of Core Sea Technology. Support core sea 8bit MCU, 32bit MCU.

Manual download Software Download

CSU-IDE

Core sea 8-bit MCU/SOC integrated development environment 1. Integrated C compiler, assembler, linker, debugger 2. Support standard C language and assembly language development 3 Example code of integrated chips

Manual download Design document download Software Download

Sample Application

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