Time to upgrade from N76E003 to MS51

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