N575F145 Datasheet PDF - nuvoton

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N575F145
nuvoton

Part Number N575F145
Description 32-bit Microcontrolle
Page 21 Pages


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N575F145 Data Sheet
NuVoice®
N575F145
Data Sheet
Release Date: Sep. 2015
- 1 - Version A1.1



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N575F145 Data Sheet
Table of Contents
1 GENERAL DESCRIPTION .....................................................3
2 FEATURES ........................................................................4
3 PAD DESCRIPTION .............................................................7
4 BLOCK DIAGRAM ............................................................. 11
5 APPLICATION DIAGRAM ................................................... 12
6 ELECTRICAL CHARACTERISTICS ....................................... 13
6.1 Absolute Maximum Ratings .............................................. 13
6.2 DC Electrical Characteristics........................................... 14
6.3 AC Electrical Characteristics ........................................... 18
6.3.1 External 32 KHz XTAL Oscillator ............................. 18
6.3.2 Internal 49.152 MHz Oscillator ................................ 18
6.3.3 Internal 16 KHz Oscillator ...................................... 18
6.3.4 Reset Characteristics ............................................ 18
7 ORDERING INFORMATION ................................................. 20
8 REVISION HISTORY .......................................................... 20
Release Date: Sep. 2015
- 2 - Version A1.1



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N575F145 Data Sheet
1 GENERAL DESCRIPTION
The N575F145 is a system-on-chip product optimized for low power, audio record and playback with
an embedded ARM® Cortex™-M0 32-bit microcontroller core.
The N575F145 embeds a Cortex™-M0 core running up to 49 MHz with 145 KBytes of non-volatile
flash memory and 12 KBytes of embedded SRAM. It also comes equipped with a variety of peripheral
devices, such as Timers, Watchdog Timer (WDT), Real-time Clock (RTC), Peripheral Direct Memory
Access (PDMA), a variety of serial interfaces (UART, SPI/SSP, I2C, I2S), PWM modulators, GPIO,
Analog Comparator, Low Voltage Detector and Brown-out detector.
The N575F145 comes equipped with a rich set of power saving modes including a Deep Power Down
(DPD) mode drawing less than 1A. A micro-power 16 KHz oscillator can periodically wake up the
device from deep power down to check for other events. A Standby Power Down (SPD) mode can
maintain a real time clock function at less than 10A.
For audio functionality the N575F145 includes a Sigma-Delta ADC with 92 dB SNR performance
coupled with a Programmable Gain Amplifier (PGA) capable of a maximum gain of 61 dB to enable
direct connection of a microphone. Audio output is provided by a Differential Class D amplifier
(DPWM) that can deliver 1W1 of power to an 8speaker.
The N575F145 provides eight analog enabled general purpose IO pins (GPIO). These pins can be
configured to connect to an analog comparator, can be configured as analog current sources or can
be routed to the SDADC for analog conversion. They can also be used as a relaxation oscillator to
perform capacitive touch sensing.
1 We suggest implementing thermal protection by utilizing the Temperature Alarm; for details please
refer to Temperature Alarm in Design Guide.
Release Date: Sep. 2015
- 3 - Version A1.1



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N575F145 Data Sheet
2 FEATURES
Core
ARM® Cortex™-M0 core runs up to 49 MHz.
One 24-bit System tick timer for operating system support.
Supports a variety of low power sleep and power down modes.
Single-cycle 32-bit hardware multiplier.
NVIC (Nested Vector Interrupt Controller) for 32 interrupt inputs, each with 4-levels of priority.
Serial Wire Debug (SWD) support with 2 watchpoints/4 breakpoints.
Power Management
Wide operating voltage range from 2.4V to 5.5V.
Power management Unit (PMU) providing four levels of power control.
Deep Power Down (DPD) mode with sub micro-amp leakage (<1µA).
Wakeup from Deep Power Down via dedicated WAKEUP pin or timed operation from internal
low power 16 KHz oscillator.
Standby mode with limited RAM retention and RTC operation (<10µA).
Wakeup from Standby can be from any GPIO interrupt, RTC or BOD.
Sleep mode with minimal dynamic power consumption.
3V LDO for operation of external 3V devices such as serial flash.
Flash EPROM Memory
145 KBytes Flash EPROM for program code and data storage.
4 KBytes of flash can be configured as boot sector for ISP loader.
Support In-system program (ISP) and In-circuit program (ICP) application code update
1 KBytes page erase for flash
Configurable boundary to delineate code and data flash.
Support 2 wire In-circuit Programming (ICP) update from SWD ICE interface
SRAM Memory
12 KBytes embedded SRAM.
Clock Control
One high speed and two low speed oscillators providing flexible selection for different
applications. No external components necessary.
Built-in trimmable oscillator with range of 16 ~ 49 MHz. Factory trimmed within 1% to settings
of 49.152 MHz and 32.768 MHz. User trimmable with in-built frequency measurement block
(OSCFM) using reference clock of 32 KHz crystal or external reference source.
Ultra-low power (<1uA) 16 KHz oscillator for watchdog and wakeup from power-down or sleep
operation.
External 32 KHz 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.
I/O pin can be configured as interrupt source with edge/level setting.
Switchable pull-up.
Audio Analog to Digital converter
Sigma Delta ADC with configurable decimation filter and 16 bit output.
Release Date: Sep. 2015
- 4 - Version A1.1



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