N32001U7DN datasheet(10/34 Pages) NUVOTON

10 / 34 page

N3291xUxDN Data Sheet

- 10 -

Nuvoton Technology Corp.

Release Date: Jun. 2013

http://www.nuvoton.com/

Revision A3



General-purpose ADC



Multi-channel, 10-bit ADC supported



2 channels dedicated for 4-wire resistive touch sensor inputs.



3 channels reserved for various purposes, like LVD (Low Voltage Detection), keypad

input, and light sensor.



Input voltage range from 0V ~ 3.3V supported.



Maximum 25MHz input clock supported.



Maximum 150K/s conversion rate supported.



LVR (Low Voltage Reset) supported.



Microphone ADC



Built-in Programmable Gain Control (PGC) circuit



Built-in Bias circuit



10-bit ADC supported



Keypad Interface (KPI)



Matrix Key Pad Interface Supported.



Maximum 8x8 and minimum 3x3 keypad matrix supported.



Configurable key de-bounce supported.



Low power wakeup mode supported.



Configurable three-key reset supported.



AES (Advance Encryption Standard) Engine



Support both encryption and decryption.



Support only CBC (Cipher Block Chaining) mode.



All three kinds of key length: 128, 192, 256 bits are supported.



Built-in DMA supported.



Power Management



Advanced power management including Power Down, Deep Standby, CPU Standby, and

Normal Operating modes.



Normal Operating Mode



Core power is 1.2V and chip is in normal operation.



CPU Standby Mode



Core power is 1.2V and only ARM CPU clock is turned OFF.



Deep Standby Mode



Core power is 1.2V and all IP clocks are turned OFF.



Power Down Mode



Only the RTC power is ON. Other 3.3V and 1.2V power are OFF.



Software Support



Development Tools



Bootloader / Diagnostic Program / NAND Writer Program: ADS 1.2 or RVDS 2.x or 3.x



Linux Kernel (2.6.17.14) / System Manager: GCC 4.2



TurboWriter / Sync Tool: Microsoft VC 6.0



NAND Flash File System



FAT12, FAT16 and FAT32 with long filename are supported.



Hidden disk is supported.



RAM disk is supported.

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