describe

MS51FB9AE Enhanced 8-bit 8051 core microcontroller with flash (1 T operating mode), operating frequency up to 24 MHz, support voltage operating range 2.4 V to 5.5 V, industrial grade operating temperature: - 40 ℃ to 105 ℃, And contains 16 K bytes of Flash and an additional 1 K bytes of on-chip auxiliary RAM (XRAM), with a wealth of peripherals, such as 18 general-purpose I/O, timers, watchdog timers, 2 sets of UART, 1 set of SPI, 1 set of I2C, 6*16-bit PWM and 8 12-bit ADCs, etc. Available in TSSOP20 package.

characteristic

? Core (Core) -1T 8051 microprocessor - operating frequency up to 24 MHz ? Operating conditions - wide voltage operating range 2.4 V to 5.5 V - wide operating frequency up to 24 MHz - industrial grade operating temperature - 40 ℃ to + 105 ℃ ? Memory (Memory) -16 KB application program - 1 KB SRAM embedded - Support online circuit update ICP (In-Circuit Programming) - Support online system update ISP (In-System Programming) ? Analog-to-digital converter (ADC) - Provides 8 channels - 12-bit resolution - up to 500 KSPS (sampling rate per second) ? Pulse Width Modulator ( PWM ) - Built-in 1 16-bit PWM generator, can output 6*16-bit PWM - Capture ADC Features - Configurable dead time? Power supply monitoring - Brown-out detection (BOD) for detecting system supply low voltage, 7-level voltage selection, configurable interrupt or reset response - Power-on reset (POR) - Low-voltage reset ( LVR ) ?Communication interface (Connectivity) -1 set of SPI -1 set of I2C (up to 400 kbps ) -2 sets of UART ?Clock control (Clock control) -24 MHz high-speed internal oscillator, ± 1 %_ Accuracy class, full operating range ± 2 %_accuracy class - 16 MHz high speed internal oscillator, ± 1 % at 5.0 V supply_accuracy class, full operating range ± 2 %_accuracy class - 10 kHz low speed internal oscillator , Factory Accuracy ± 2 %_Class - Support External Clock Input? Package - TSSOP20

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