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UPD7210D from NEC

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UPD7210D

Manufacturer: NEC

GENERAL PURPOSE INTERFACE BUS-INTERFACE CONTROLLER

Partnumber Manufacturer Quantity Availability
UPD7210D NEC 144 In Stock

Description and Introduction

GENERAL PURPOSE INTERFACE BUS-INTERFACE CONTROLLER The UPD7210D is a microprocessor peripheral manufactured by NEC (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features based on available data:

### **Specifications:**  
- **Manufacturer:** NEC (Nippon Electric Company)  
- **Type:** Microprocessor Peripheral (DMA Controller)  
- **Package:** Likely a DIP (Dual In-line Package) or similar IC package  
- **Technology:** CMOS  
- **Operating Voltage:** Typically 5V (standard for early microprocessor peripherals)  
- **Data Bus Width:** 8-bit (common for early DMA controllers)  
- **Function:** Direct Memory Access (DMA) controller for microprocessor systems  

### **Descriptions:**  
- The UPD7210D is a DMA controller designed to facilitate high-speed data transfers between memory and I/O devices without CPU intervention.  
- It was commonly used in early computer systems and embedded applications where efficient data movement was required.  
- Compatible with NEC’s microprocessor families (e.g., μPD780 series).  

### **Features:**  
- **Multiple DMA Channels:** Likely supports multiple channels for concurrent data transfers.  
- **Programmable Control:** Allows configuration of transfer modes (e.g., block transfer, demand transfer).  
- **Interrupt Support:** May include interrupt generation upon transfer completion.  
- **Clock Synchronization:** Designed to work with system clock signals.  
- **Chip Select Logic:** Includes control signals for interfacing with host processors.  

For exact technical details, refer to NEC’s original datasheet or documentation.

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