N32905U1DN
| Part Number | N32905U1DN |
|---|---|
| Manufacturer | Nuvoton Technology Corporation |
| Category | Integrated Circuits (ICs) > Embedded – Microprocessors |
| Description | 32‑Bit ARM926EJ‑S Application Processor, Stacked 32MB DDR2 SDRAM, H.264/MPEG‑4 Decoder, JPEG En/Decoder, CMOS Sensor IF, LQFP‑128 Package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
N32905U1DN is Nuvoton N329‑series integrated application processor based on ARM926EJ‑S 32‑bit RISC core running at 200MHz. This SiP chip integrates 32MB DDR2 SDRAM inside LQFP‑128 package. It supports H.264/MPEG‑4 decoding, JPEG encode/decode, XGA LCD, TV‑out, CMOS sensor and USB2.0 HS. Suitable for video door phone, IP camera and smart‑home multimedia devices.
Core Advantages
SiP Stacked‑Memory Design
32MB DDR2 built‑in package, simplifies PCB layout, lowers EMI and BOM cost.
Multimedia Hardware Accelerator
H.264/MPEG‑4 hardware decoding, JPEG encode & decode, offloads CPU for video processing.
Rich Multimedia Interfaces
Support CMOS camera, XGA LCD, TV‑out, audio SPU and multi‑channel ADC for visual HMI projects.
Complete Peripherals
USB2.0 HS, NAND Flash controller, PWM, UART, I2C, SPI for flexible system expansion.
Key Specifications
| Brand | Nuvoton Technology |
|---|---|
| RoHS Status | RoHS Compliant / Lead‑Free |
| EDA / CAD | PCB Footprint & 3D Model Available upon Request |
| Warranty | 1‑Year Standard Quality Warranty |
| Package / Case | LQFP‑128 (14mm x 14mm, 0.4mm Pitch) |
| Mounting Type | Surface Mount Device (SMD/SMT) |
| Surface Marking / Silkscreen | N32905U1DN Marking |
| Core Architecture | ARM926EJ‑S 32‑Bit RISC Core |
| Maximum CPU Frequency | 200 MHz |
| In‑Package Memory (SiP) | 32 MB (256 Mb) Stacked DDR2 SDRAM |
| Hardware Video Processing | H.264, MPEG‑4 Hardware Decoder; JPEG Hardware Encoder / Decoder |
| Core Supply Voltage | 1.8 V Core Voltage Supply |
| I/O Supply Voltage | 3.0V‑3.6V I/O Voltage (Typical 3.3V) |
| Operating Temperature | -20°C to +85°C (Commercial Grade, No industrial‑grade version) |
| Display Resolution Max | XGA 1024 × 768 |
| Peripherals & Interfaces | CMOS Camera IF, LCD Controller, 2D Graphic Engine, TV‑Out, Audio SPU, USB 2.0 HS Host/Device, SD/SDHC/MMC, NAND Flash Controller, 4‑Ch PWM, UART, I2C, SPI, 10‑bit ADC |
Typical Applications
- Video Doorphones and Video Intercom Systems
- IP Security Cameras and Baby Monitor Devices
- Smart Home Appliances with Graphical Touch Screens
- Educational Toys, Electronic Storytelling Devices, and Learning Machines
- Portable Multimedia HMI Equipment
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1‑2 business days |
| Delivery Time | 3‑7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What is the key benefit of N32905U1DN SiP design?
A: Built‑in 32MB DDR2 SDRAM inside LQFP‑128 package, eliminates external DDR circuit, simplifies PCB, reduces EMI risk and BOM cost.
Q2: What video codec does N32905U1DN support?
A: H.264 / MPEG‑4 only hardware decoding; JPEG supports encode & decode. No hardware H.264 encoding function.
Q3: What are core and I/O voltage requirements?
A: Core: 1.8V; I/O: 3.0V‑3.6V, typical 3.3V.
Q4: Does N32905U1DN have industrial temperature version?
A: No industrial‑grade variant. Only commercial grade: ‑20℃ ~ +85℃. Third‑party ‑40℃ data is incorrect for this part.
Q5: What compatible alternative models are available?
A: N32903U1DN is pin‑to‑pin compatible with smaller SiP memory. Not drop‑in replacement; firmware must be adjusted before substitution.
Q6: Meaning of suffix U1DN in N32905U1DN?
A: U1 = SiP stacked memory version; DN = LQFP‑128 package. Different suffix stands for different memory / package, cannot swap blindly.
Q7: Is N32905U1DN suitable for video door phone?
A: Yes. Optimized for video intercom, equipped with CMOS sensor input, LCD and TV‑out interface.
Q8: How to get datasheet, pinout and bulk quotation?
A: Submit inquiry form for datasheet, footprint drawing, stock check and volume price.

