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Product Detailed Parameters
- Description：ASYNCH COMMS INTERFACE ADAPTER
- Series：*
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Features：-
- Number of Channels：-
- FIFO's：-
- Protocol：-
- Data Rate (Max)：-
- Voltage - Supply：-
- With Auto Flow Control：-
- With IrDA Encoder/Decoder：-
- With False Start Bit Detection：-
- With Modem Control：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The HD63450RCP10 is a Direct Memory Access (DMA) controller manufactured by Renesas Electronics Corporation, formerly Hitachi. It operates with a maximum clock frequency of 10 MHz and utilizes CMOS technology. The device supports four DMA channels and features a 24-bit address bus width alongside a 16-bit external data bus width. It is housed in a Plastic Dual In-line Package (PDIP) with 64 pins. The component is compatible with the 68000 bus architecture and functions at a standard 5 V power supply.
Feature Summary
- Supports cycle steal with or without hold, burst, and auto request transfer modes
- Provides fixed and rotational priority interrupt modes
- Compatible with 68000 bus architecture
Applications
- Data transfer operations in systems utilizing 68000 bus compatibility
- Peripheral-to-memory or memory-to-peripheral transfers requiring dedicated DMA handling
- Embedded control applications needing high-speed data movement without CPU intervention
Procurement Notes
Verify the specific suffix RCP10 against official Renesas documentation to confirm pinout and electrical characteristics. Ensure compliance with RoHS directives as the base model may have non-compliant variants. Confirm package integrity for the 64-pin DIP form factor before integration into PCB designs.
Selection Notes
Select this component when a dedicated DMA controller for 68000-compatible systems is required. Consider the 10 MHz speed limit and 4-channel capacity relative to system bandwidth needs. Evaluate the PDIP64 package constraints against available board space and thermal requirements compared to surface-mount alternatives.
Part Context
This part belongs to the HD63450 series of DMA controllers originally developed by Hitachi and now managed by Renesas Electronics. The series is designed to offload data transfer tasks from the central processor in microcomputer systems based on the Motorola 68000 family architecture.
Replacement Considerations
Check for updated Renesas designations within the HD63450 family. Verify functional equivalence regarding the 68000 bus interface and channel count if substituting with other 64-pin DMA controllers.
