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A3512
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General Description
A3512 is a high performance and low cost 2.4GHz FSK/GFSK system-on-chip (SoC) wireless transceiver. With on chip fraction-N synthesizer, it can support the application of data rate from 5Kbps to 2Mbps and frequency hopping system and it is designed for Bluetooth Low Energy (Bluetooth 5.0 Single mode).
This device integrates high speed pipeline 8051 MCU, 64K Bytes In-system programmable flash memory, 8KB SRAM, various powerful functions and excellent performance of a leading 2.4GHz FSK/GFSK RF transceiver. A3512 has various operating modes, making it highly suited for systems where ultra-low power consumption is required.
It also integrates a low noise 24bit ADC with 16bit ENOB and LCD driver with 4x15 segments.
RF
 Frequency band: 2400 – 2483.5MHz.
 Support FSK and GFSK modulation
 High sensitivity:
 -97dBm at 500Kbps data rate
 -94dBm at 1Mbps data rate
 -91dBm at 2Mbps data rate
 Programmable data rate 5K ~ 2Mbps.
 In-System programming/ In-Application programming
 Fast settling time synthesizer for frequency hopping system.
 Support low cost crystal 16 MHz.
 Easy to use.
 Change frequency channel by ONE register setting.
 8-bits Digital RSSI for clear channel indication.
 Auto RSSI measurement.
 Auto WOR (wake up when receive RX packet).
 Auto WOT (wake up to transmit TX packet).
 Auto Calibrations.
 Auto IF function.
 Auto Frequency Compensation.
 Auto CRC Check.
 Separated 256 bytes RX and TX FIFO.
Low Power
 RX current consumption with MCU in operation mode: 14mA
 TX current consumption with MCU in operation mode (19mA @ 5dBm output power)
 PM3 sleep mode (without timer) current (1.2 uA)
 PM3 sleep mode(with timer) current (1.5 uA)
Microcontroller
 High performance pipeline complicated 8051
 64KB Flash memory with copy protection, 8KB SRAM
 Flash endurance:10,000 cycles (typical)
Peripherals
 22 GPIO
 Built-in 4 channels 12-bits ADC for general purpose analog input (0V ~ 2.4 V)
 Built-in Low Battery Detector
 Built-in thermal sensor for monitoring relative temperature
 Operation clock: 1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 of crystal oscillator
 UART, I2C, SPI serial communication
 Three16/8-bit counter/timers
 2 channels PWM
 Watchdog timer
 Sleep timer
 In-Circuit Debugger
 24bit ADC with 16bit ENOB
 Support Com x Segment: 4x15
Layout
 Package size (QFN6X6 48pins)
 2400 ~ 2483.5 MHz ISM frequency hopping system
 Smart remote controller
 Home and building automation
 Wireless keyboard and mouse
 Wireless toy and gaming
 Helicopter and airplane radio controller
 Bluetooth smart device
 Electronic scales
Datasheet
Application Note
Reference circuit design (Module)
Reference/LIB code
Evaluation kit (EK)
Development Board (DVP)
ICE tool
Flash/OTP programming tool
Production test tool
*Please contact the agents or sales for more details