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The R5F109LECJFB microcontroller adopts a 64-pin LFQFP, featuring 64KB of flash memory and 4KB of SRAM. It is mainly applied in low-power scenarios such as Keyless sensor remote control door locks, electric window control, and electric rearview mirrors.

The R5F109LECJFB mainly features the following characteristics

CPU: RL78 core, up to 32MHz

Voltage: 1.8V to 5.5V

Encapsulation: 64-pin LFQFP

Memory: SRAM up to 4KB, program flash memory up to 64KB

Timer: 8 channels of 16-bit timers, 1 channel of watchdog timer, 1 channel of interval timer, 1 channel of wake-up timer

PWM: PWM output x 4

Analog function: 8-channel 10-bit A/D converter

On-chip oscillator (MHz) : 32M, 24M, 16M, 12M, 8M, 4M, 1M low-speed oscillator 15kHz

Others: RTC, power-on reset, low voltage detection

Typical applications

The R5F109LECJFB microcontroller is mainly applied in automotive electronic control systems, including low-power scenarios such as remote door locks, electric Windows, and rearview mirror control, while also meeting the demands of the industrial automation field. ‌

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

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