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ISP1122NB from PH

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ISP1122NB

Manufacturer: PH

Universal Serial Bus stand-alone hub

Partnumber Manufacturer Quantity Availability
ISP1122NB PH 46 In Stock

Description and Introduction

Universal Serial Bus stand-alone hub The ISP1122NB is a USB peripheral controller manufactured by Philips Semiconductors (now NXP Semiconductors). Below are the factual specifications, descriptions, and features of the ISP1122NB:

### **Specifications:**  
- **Manufacturer:** Philips Semiconductors (NXP)  
- **Interface:** USB 1.1 Full-Speed (12 Mbps) compliant  
- **Operating Voltage:** 3.3V (±10%)  
- **Package:** 32-pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Integrated USB Transceiver:** Yes  
- **DMA Support:** Yes (for high-speed data transfer)  
- **GPIO Pins:** 8 general-purpose I/O pins  
- **Clock Input:** 6 MHz crystal or external clock  

### **Description:**  
The ISP1122NB is a USB peripheral controller designed for embedded systems requiring USB connectivity. It integrates a USB transceiver, SIE (Serial Interface Engine), and an 8-bit parallel interface for easy integration with microcontrollers or other host processors. It supports Full-Speed USB (12 Mbps) and includes DMA for efficient data transfer.  

### **Features:**  
- **USB 1.1 Full-Speed Compliance**  
- **Integrated USB Transceiver** (eliminates the need for external components)  
- **8-Bit Parallel Host Interface**  
- **DMA Support** for high-throughput applications  
- **8 General-Purpose I/O (GPIO) Pins**  
- **Low Power Consumption**  
- **On-Chip Voltage Regulator** (for 3.3V operation)  
- **Suspend/Resume Support** for power management  
- **SoftConnect™ Technology** (controlled USB connection)  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Universal Serial Bus stand-alone hub
Partnumber Manufacturer Quantity Availability
ISP1122NB PHI 118 In Stock

Description and Introduction

Universal Serial Bus stand-alone hub The part ISP1122NB is manufactured by Philips Semiconductors (PHI).  

**Specifications:**  
- **Type:** USB Interface IC  
- **Function:** USB peripheral controller  
- **Interface:** USB 1.1 compliant  
- **Package:** PLCC44 (Plastic Leaded Chip Carrier, 44 pins)  
- **Operating Voltage:** 3.3V  
- **Data Transfer Rate:** Full-speed (12 Mbps)  

**Descriptions and Features:**  
- Designed for USB peripheral applications  
- Supports control, bulk, interrupt, and isochronous USB transfers  
- Integrated USB transceiver (PHY)  
- On-chip FIFO buffers for data handling  
- Programmable clock output  
- Compliant with USB 1.1 specifications  
- Suitable for embedded USB solutions  

This information is based on available documentation for the ISP1122NB from Philips Semiconductors.

Application Scenarios & Design Considerations

Universal Serial Bus stand-alone hub

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