The NuMicro™ NUC100 Series is 32-bit microcontrollers with embedded ARM® Cortex™-M0 core for industrial control and applications which need rich communication interfaces. The Cortex™-M0 is the newest ARM® embedded processor with 32-bit performance and at a cost equivalent to traditional 8-bit microcontroller. NuMicro™ NUC100 Series includes NUC100, NUC120, NUC130 and NUC140 product line.
The NuMicro™ NUC100 Advanced Line embeds Cortex™-M0 core running up to 50 MHz with 32K/64K/128K-byte embedded flash, 4K/8K/16K-byte embedded SRAM, and 4K-byte loader ROM for the ISP. It also equips with plenty of peripheral devices, such as Timers, Watchdog Timer, RTC, PDMA, UART, SPI, I2C, I2S, PWM Timer, GPIO, PS/2, 12-bit ADC, Analog Comparator, Low Voltage Reset Controller and Brown-Out Detector.

Features:

• Core
  
  • ARM® Cortex™-M0 core runs up to 50 MHz
    
  • One 24-bit system timer – Supports low power sleep mode
  • Single-cycle 32-bit hardware multiplier
  • NVIC for the 32 interrupt inputs, each with 4-levels of priority
  • Serial Wire Debug supports with 2 watchpoints/4 breakpoints
• Build-in LDO for wide operating voltage ranges from 2.5 V to 5.5 V
  
• Flash Memory
  
  • 32K/64K/128K bytes Flash for program code (128KB only support in NuMicro™ NUC100/NUC120 Medium Density)
    
  • 4KB flash for ISP loader
    
  • Support In-system program (ISP) application code update
    
  • 512 byte page erase for flash
    
  • Configurable data flash address and size for 128KB system, fixed 4KB data flash for the 32KB and 64KB system
  • Support 2 wire ICP update through SWD/ICE interface
  • Support fast parallel programming mode by external programmer
    
• SRAM Memory
  
  • 4K/8K/16K bytes embedded SRAM (16KB only support in NuMicro™ NUC100/NUC120 Medium Density)
    
  • Support PDMA mode
    
• PDMA (Peripheral DMA)
  
  • Support 9 channels PDMA for automatic data transfer between SRAM and peripherals (Only support 1 channel in NuMicro™ NUC100/NUC120 Low Density)
• Clock Control
  • Flexible selection for different applications
    
  • Built-in 22.1184 MHz high speed OSC for system operation
    
    • Trimmed to 1 % at +25 and V℃DD = 5 V
      
    • Trimmed to 3 % at -40 ~ +85 and V℃℃DD = 2.5 V ~ 5.5 V
      
  • Built-in 10 kHz low speed OSC for Watchdog Timer and Wake-up operation
    
  • Support one PLL, up to 50 MHz, for high performance system operation
    
  • External 4~24 MHz high speed crystal input for precise timing operation
    
  • External 32.768 kHz low speed crystal input for RTC function and low power system operation
    
• GPIO
  
  • Four I/O modes:
    
    • Quasi bi-direction
      
    • Push-Pull output
      
    • Open-Drain output
      
    •  Input only with high impendence
      
  • TTL/Schmitt trigger input selectable
    
  • High driver and high sink IO mode support
• Timer 
  • Support 4 sets of 32-bit timers with 24-bit up-timer and one 8-bit pre-scale counter
    
  • Independent clock source for each timer
    
  • Provides one-shot, periodic, toggle and continuous counting operation modes (NuMicro™ NUC100/NUC120 Medium Density only support one-shot and periodic mode)
    
  • Support event counting function (NuMicro™ NUC100/NUC120 Low Density only) 
• Watchdog Timer
  • Multiple clock sources
    
  • 8 selectable time out period from 1.6ms ~ 26.0sec (depends on clock source) – WDT can wake-up from power down or idle mode
    
  • Interrupt or reset selectable on watchdog time-out
    
• RTC
  
  • Support software compensation by setting frequency compensate register (FCR)
    
  • Support RTC counter (second, minute, hour) and calendar counter (day, month, year) – Support Alarm registers (second, minute, hour, day, month, year)
    
  • Selectable 12-hour or 24-hour mode – Automatic leap year recognition
    
  • Support periodic time tick interrupt with 8 period options 1/128, 1/64, 1/32, 1/16, 1/8, 1/4, 1/2 and 1 second
    
  • Support wake-up function
    
• PWM/Capture
  
  • Built-in up to four 16-bit PWM generators provide eight PWM outputs or four complementary paired PWM outputs
    
  • Each PWM generator equipped with one clock source selector, one clock divider, one 8-bit prescaler and one Dead-Zone generator for complementary paired PWM
    
  • Up to eight 16-bit digital Capture timers (shared with PWM timers) provide eight rising/falling capture inputs
    
  • Support Capture interrupt
    
• UART
  
  • Up to three UART controllers (NuMicro™ NUC100/NUC120 Low Density only support 2 UART controllers)
    
  • UART ports with flow control (TXD, RXD, CTS and RTS) – UART0 with 63-byte FIFO is for high speed
    
  • UART1/2(optional) with 15-byte FIFO for standard device – Support IrDA (SIR) function
    
  • Support RS-485 9-bit mode and direction control. (NuMicro™ NUC100/NUC120 Low Density Only)
    
  • Programmable baud-rate generator up to 1/16 system clock
    
  • Support PDMA mode
    
• SPI
  
  • Up to four sets of SPI controller (NuMicro™ NUC100/NUC120 Low Density only support 2 SPI controllers)
    
  • Master up to 16 MHz, and Slave up to 10 MHz (chip working @ 5V)
    
  • Support SPI master/slave mode
    
  • Full duplex synchronous serial data transfer
    
  • Variable length of transfer data from 1 to 32 bits
    
  • MSB or LSB first data transfer
    
  • 2 slave/device select lines when it is as the master, and 1 slave/device select line when it is as the slave
    
  • Support byte suspend mode in 32-bit transmission
    
  • Support PDMA mode 
  • Rx and Tx on both rising or falling edge of serial clock independently
• I2C
  
  • Up to two sets of I2C device – Master/Slave mode
    
  • Bidirectional data transfer between masters and slaves
    
  • Multi-master bus (no central master)
    
  • Arbitration between simultaneously transmitting masters without corruption of serial data on the bus
    
  • Serial clock synchronization allows devices with different bit rates to communicate via one serial bus
    
  • Serial clock synchronization can be used as a handshake mechanism to suspend and resume serial transfer
    
  • Programmable clocks allow versatile rate control
    
  • Support multiple address recognition (four slave address with mask option)
• I2S
  
  • Interface with external audio CODEC
    
  • Operate as either master or slave mode
  • Capable of handling 8-, 16-, 24- and 32-bit word sizes
  • Mono and stereo audio data supported
    
  • I2S and MSB justified data format supported
    
  • Two 8 word FIFO data buffers are provided, one for transmit and one for receive
  • Generates interrupt requests when buffer levels cross a programmable boundary
    
  • Support two DMA requests, one for transmit and one for receive • PS/2 Device Controller
    
  • Host communication inhibit and request to send detection
  • Reception frame error detection
    
  • Programmable 1 to 16 bytes transmit buffer to reduce CPU intervention
  • Double buffer for data reception
    
  • S/W override bus
• EBI (External bus interface) support (NuMicro™ NUC100/NUC120 Low Density 64-pin Package Only)
  
  • Accessible space: 64KB in 8-bit mode or 128KB in 16-bit mode
  • Support 8-/16-bit data width
    
  • upport byte write in 16-bit data width mode
    
• ADC
  
  • 12-bit SAR ADC with 600K SPS
  • Up to 8-ch single-end input or 4-ch differential input
  • Single scan/single cycle scan/continuous scan
    
  • Each channel with individual result register
    
  • Scan on enabled channels
    
  • Threshold voltage detection
    
  • Conversion start by software programming or external input
    
  • Support PDMA mode
    
• Analog Comparator
  
  • Up to two analog comparators
    
  • External input or internal bandgap voltage selectable at negative node
    
  • Interrupt when compare result change
    
  • Power down wake-up
• One built-in temperature sensor with 1℃ resolution
• Brown-Out detector
  
  • With 4 levels: 4.5 V/3.8 V/2.7 V/2.2 V
    
  • Support Brown-Out Interrupt and Reset option
• Low Voltage Reset
  
  • Threshold voltage levels: 2.0 V
• Operating Temperature: -40℃~85℃ • Packages:
  
  • All Green package (RoHS) – LQFP 100-pin

Data Sheet

NuMicro NUC100

NuMicro NUC100

Brief

NuMicro NUC100