The MS51FB9AE is an enhanced 8-bit, 8051-core microcontroller with flash (1 T operation) operating up to 24 MHz and supporting voltage operating range24 V to 55 V, industrial-grade operating temperature: -40 to 105, and includes 16 K-bit Flash and an additional 1-K-bit on-chip auxiliary RAM (XRAM), with a rich set of peripherals such as 18 general-purpose IOs, timers, watchdog timers, 2 UARTs, 1 SPI, 1 IC, 6*16-bit PWM, and 8 12-bit ADCs. Available in TSSOP20 package.
Home automation, industrial control, IoT devices, battery management, wireless charging, etc.
Core
1T 8051 microprocessor.
Operating frequency up to 24 MHz
Working conditions. Wide voltage operating range 24 V to 55 v
Wide operating frequency up to 24 MHz
Industrial operating temperature - 40 to + 105
Memory
16 KB app.
Embedded 1 KB SRAM
Support In-Circuit Programming (ICP).
Support online system update ISP (In-System Programming).
Analog-to-digital converters (ADCs).
Available in 8 channels.
12-bit resolution.
Up to 500 ksps (sampling rate per second).
Pulse-width modulator (PWM).
Built-in 1 x 16-bit PWM generator, which can output 6*16-bit PWM
Capture ADC functionality.
Configurable dead time.
Power monitoring. Undervoltage Detection (BOD) is used to detect low voltage in the system's supply, with 7 levels of voltage selectable and configurable interrupt or rescheduled response.
Power-on reset (POR).
Low Voltage Redetermination (LVR).
Connectivity
1 set of SPIs
1 group of IC (up to 400 kbps).
2 sets of UARTs
Clock control
24 MHz high-speed internal oscillator, power supply 51 % accuracy class at 0 V and 2 % accuracy class over the full operating range.
16 MHz high-speed internal oscillator, power supply 51 % accuracy class at 0 V and 2 % accuracy class over the full operating range.
10 kHz low-speed internal oscillator with factory accuracy 2 % rating.
External clock input is supported.
Encapsulation. tssop20
Brand: Nuvoton
Product Family: Embedded - Microcontrollers.
Packing: Pipe fittings.
Series: Numicro MS51
Part Status: Active.
Core processor: 8051
Core specifications: 8-bit.
Speed: 24MHz
Connectivity: I2C, SPI, UART USART
Peripherals: Undervoltage Detection Reset, LVR, POR, PWM, WDT
i o number: 18
Program memory capacity: 16KB (16K x 8).
Program memory type: Flash.
EEPROM capacity: -
RAM size: 1K x 8
Voltage-Supply (VCC VDD): 24v ~ 5.5v
Data converter: AD 8x12B SAR
Oscillator Type: Internal.
Operating temperature: -40°C 105°C(ta).
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