CMOS High Performance Programmable DMA Controller The **IP82C37A** is a high-performance programmable DMA controller manufactured by **Intersil**. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Intersil
- **Type:** Programmable DMA Controller
- **Architecture:** CMOS
- **Operating Voltage:** 5V
- **Number of Channels:** 4 independent DMA channels
- **Data Bus Width:** 8-bit
- **Address Bus Width:** 16-bit (supports 64KB address space)
- **Clock Frequency:** Up to 5 MHz
- **Package Type:** 40-pin DIP (Dual In-line Package)
- **Operating Temperature Range:** 0°C to 70°C (Commercial)
### **Descriptions:**
- The **IP82C37A** is a direct memory access (DMA) controller designed to improve system performance by allowing peripherals to transfer data directly to/from memory without CPU intervention.
- It is compatible with the Intel 8237A and provides enhanced features in CMOS technology for lower power consumption.
- Supports **memory-to-memory transfers**, **auto-initialization**, and **priority-based channel arbitration**.
### **Features:**
- **Four Independent DMA Channels** – Each channel can be independently programmed for data transfer.
- **Memory-to-Memory Transfer** – Enables high-speed block moves between memory locations.
- **Auto-Initialization** – Allows channels to reload their initial parameters automatically after a transfer completes.
- **Programmable Priority** – Supports fixed or rotating priority modes.
- **Cascading Support** – Multiple 82C37A devices can be cascaded for additional channels.
- **Low Power Consumption** – CMOS technology ensures efficient power usage.
- **Wide Compatibility** – Fully compatible with industry-standard DMA controllers.
This information is strictly based on the manufacturer's specifications and datasheet. No additional guidance or suggestions are included.
