Sub-1GHz OOK/GFSK Transceiver Flash MCUs

24/11/2023

The BC66F3653 and BC66F3663 provide enhanced anti-interference ability and improved transmission range. Both devices support the OOK mode and operate in the license-free ISM bands (315/433/470/868/915MHz), making them suitable for smart homes, security and protection, automation, data sampling, environmental monitoring and many other wireless bidirectional transmission products.

They have a Flash Program Memory capacity of 8K/16K×16, a Data Memory capacity of 512/1024×8 and a Data EEPROM capacity of 128/1024×8. These two devices include multi-function timer modules, a high accuracy HIRC/LIRC, a 12-bit A/D converter with a ±1% internal reference voltage, a comparator, UART/SPI/I²C communication interfaces and an IAP online upgrade functions.

Main Features

CPU Features BC66F3653/BC66F3663

Operating voltage
- fSYS =8MHz: 1.8V~3.6V
- fSYS =12MHz: 2.7V~3.6V
- fSYS =16MHz: 3.3V~3.6V
Up to 0.25μs instruction cycle with 16MHz system clock at VDD =3.3V
Power down and wake-up functions to reduce power consumption
Multi-mode operation: FAST, SLOW, IDLE and SLEEP
Fully integrated internal 8MHz,12MHz and 16MHz oscillators require no external components

Peripheral Features BC66F3653

Flash Program Memory: 8K×16
RAM Data Memory: 512×8
True EEPROM Memory: 128×8
Watchdog Timer function
In Application Programming – IAP

Peripheral Features BC66F3663

Frequency band: 315/433/470/868/915MHz
OOK/GFSK modulation
Supports 3-wire or 4-wire SPI interface
Programmable data rate:
OOK: 0.5kbps~20kbps
GFSK: 2kbps~250kbps
Programmable TX output power: up to 20dBm

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Technologies

Microcontroller, microprocessors & memory ICs

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Holtek Semiconductor is a leading professional IC design house in Taiwan having its major business activities focused in the area of microcontroller and peripheral component design.

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