M054-LE datasheet(9/86 Pages) NUVOTON

9 / 86 page

M051 DN/DE

Oct. 05, 2015

Page 9 of 86

Rev 1.03



Multiple clock sources



Supports wake-up from Power-down or Sleep mode



Interrupt or reset selectable on watchdog time-out



Time-out reset delay period time can be selected



WWDT (Window Watchdog Timer)



6-bit down counter with 11-bit pre-scale for wide range window selected



PWM



Up to four built-in 16-bit PWM generators, providing eight PWM outputs or four

complementary paired PWM outputs



Individual clock source, clock divider, 8-bit pre-scalar and dead-zone generator for

each PWM generator



PWM interrupt synchronized to PWM period



16-bit digital Capture timers with rising/falling capture inputs



Supports capture interrupt



Internal 10 kHz to PWM clock source



Polar inverse function



Center-aligned type function



Timer duty interrupt enable function



Two kinds of PWM interrupt period/duty type selection



Period/duty trigger ADC function



PWM Timer synchronous start function



UART



Up to two sets of UART devices



Programmable baud-rate generator



Buffered receiver and transmitter, each with 15 bytes FIFO



Optional flow control function (CTS and RTS)



Supports IrDA(SIR) function



Supports RS485 function



Supports LIN function



SPI



Up to two sets of SPI devices



Supports Master/Slave mode

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Full-duplex synchronous serial data transfer



Provides 3 wire function



Variable length of transfer data from 1 to 32 bits

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MSB or LSB first data transfer



Rx latching data can be either at rising edge or at falling edge of serial clock



Tx sending data can be either at rising edge or at falling edge of serial clock



Supports Byte Suspend mode in 32-bit transmission



PLL clock source



4-level depth FIFO buffer for better performance and flexibility in SPI Burst Transfer

mode

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