PDF N575C145 Data sheet ( Hoja de datos )

Número de pieza	N575C145
Descripción	32-bit Microcontrolle
Fabricantes	nuvoton
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No Preview Available ! N575C145 Data Sheet NuVoice® N575C145 Datasheet Release Date: Sept, 2015 - 1 - Version A1.0 1 page N575C145 Data Sheet – Programmable gain amplifier with 32 steps from -12 to 35.25 dB in 0.75 dB steps. – Boost gain stage of 26 dB, giving maximum total gain of 61 dB. – Input selectable from dedicated MIC inputs or analog enabled GPIO. – Programmable Bi-quad filter to support multiple sample rates from 8 ~ 32 KHz. – DMA support for minimal CPU intervention.  Differential Audio PWM Output (DPWM) – Direct connection of speaker – 1W drive capability into 8Ω load – Configurable up-sampling to support sample rates from 8 ~ 32 KHz – DMA support for minimal CPU intervention.  Timers – Two timers with 8-bit pre-scalar and 24-bit resolution. – Counter auto reload.  Watch Dog Timer – Multiple clock sources – 8 selectable time out period from micro seconds to seconds (depending on clock source) – WDT can wake up power down/sleep. – Interrupt or reset selectable on watchdog time-out.  RTC – Real Time Clock counter (second, minute, hour) and calendar counter (day, month, year) – Alarm registers (second, minute, hour, day, month, year) – Selectable 12-hour or 24-hour mode – Automatic leap year recognition – Time tick and alarm interrupts. – Device wake up function. – Supports software compensation of crystal frequency by compensation register (FCR)  PWM/Capture – Built-in up to two 16-bit PWM generators provide two PWM outputs or one complementary paired PWM outputs. – The PWM generator equipped with a clock source selector, a clock divider, an 8-bit pre-scalar and Dead-Zone generator for complementary paired PWM. – PWM interrupt synchronous to PWM period. – 16-bit digital Capture timers (shared with PWM timers) provide rising/falling capture inputs. – Support Capture interrupt  UART – UART ports with flow control (TX, RX, CTS and RTS) – 8-Byte FIFO. – Support IrDA (SIR) and LIN function – Programmable baud-rate generator up to 1/16 of system clock.  SPI – Master up to 20 Mbps / Slave up to 10 Mbps. – Support MICROWIRE/SPI master/slave mode (SSP) – 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 used in master mode. – Hardware CRC calculation module available for CRC calculation of data stream. – DMA support for burst transfers.  I2C Release Date: Sept, 2015 - 5 - Version A1.0 5 Page N575C145 Data Sheet Pad No. Chip Pad Name Type Alt CFG Description 51 MIC- AI Negative microphone input. 52 MICBIAS AO Microphone bias output. 53 VCCA AP Analog power supply. PA.11 I/O 0 General purpose input/output; Port A, bit 11 I2C_SCL I/O 1 Serial Clock, I2C interface 54 I2S_SDO O 2 Serial Data Out I2S interface UART_CTSN I 3 UART Clear to Send Input. PA.10 I/O 0 General purpose input/output; Port A, bit 10 I2C_SDA I/O 1 Serial Data, I2C interface 55 I2S_SDI I 2 Serial Data In I2S interface UART_RTSN O 3 UART Request to Send Output. Note:  Type I=Digital Input, O=Digital Output; AI=Analog Input; P=Power; AP=Analog Power  There are some aliases of GPIO, for example, PA.5 could be PA5, GPA5 or GPIOA5. - 11 - Release Date: Sept, 2015 Version A1.0 11 Page

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