Description

MS51FB9AE Nuvoton Microcontroller NuMicro® MS51FB9AE is embedded with based on 1T 8051-based CMOS microcontroller, runs up to 24 MHz, features 16 K bytes flash, 1 K bytes SRAM, and 4 K bytes loader ROM for the ISP, also equipped with rich peripherals: 2 sets of UART; 1 set of I²C, and 1 set of SPI, 18 GPIO, 8 channels of 12-bit ADC, Watchdog Timer, Window Watchdog Timer and 6*16-bit PWM channel, package is available in TSSOP20. Target Application: LED lighting Home appliances Industrial control Motor control Battery management system Power supplies Key Features: • Operating Characteristics - Voltage range: 2.4V to 5.5V - Temperature range: - 40 ℃ to + 105 ℃ - EFT 4 kV • Core - 1T 8051-based CMOS microcontroller running up to 24 MHz • Memories - 16 K bytes Flash - Configurable 4 K / 3 K / 2 K / 1 K Bytes of LDROM, which provides flexibility to user developed Boot Code - 1 K bytes SRAM - 256 Bytes on-chip RAM - Flash Memory accumulated with pages of 128 Bytes each - Built-in In-Application-Programmable ( IAP ) • Clocks - External clock input ( 32 K body only ) - 16 MHz high-speed internal oscillator trimmed to ± 1 % when VDD 5.0 V, ± 2 % in all conditions. - 24 MHz high-speed internal oscillator trimmed to ± 1 % when VDD 5.0 V, ± 2 % in all conditions - 10 kHz low-speed internal oscillator - On-the-fly clock source switch via software • Power management - Brown-out detection ( BOD ) with low power mode available, 4-level selection, interrupt or reset options - Power-on reset ( POR ) • Peripherals - Two 16-bit Timers / Counters 0 and 1 compatible with standard 8051 - One 16-bit Timer 2 with three-channel input capture module and 9 input pin can be selected - One 16-bit auto-reload Timer 3, which can be the baud rate clock source of UARTs - One 16-bit PWM counter interrupt for timer - 6*16-bit pulse width modulator ( PWM ) output, with different modes and Fault Brake function for motor control - One programmable Watchdog Timer ( WDT ) - One dedicated Self Wake-up Timer ( WKT ) - 2 full-duplex UART ports with frame error detection and automatic address recognition - 1 SPI port with master and slave modes, up to 12 Mbps when system clock is 24 MHz - 1 I²C bus with master and slave modes, up to 400 kbps data rate - 8 channels of 12-bit ADC, up to 500 ksps converting rate - 18 general purpose I / O pins and 1 input-only pin - Programmable pull-ups pull-lows • Development Tools - Nuvoton Nu-Link with KEILTM and IAR development environment - Nuvoton Nu-Link In-Circuit-Programmer - Nuvoton In-System-Programming ( ISP ) • 96-bit Unique ID ( UID ) • 128-bit Unique Customer ID ( UCID ) • 2-Byte ( 16-bit ) PDID