Mailbox Client IPs User Guide

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ID 683290
Date 4/07/2025
Public
Document Table of Contents
Document Table of Contents x
1. Mailbox Client IPs User Guide 2. Appendix: CONFIG_STATUS and RSU_STATUS Error Code Descriptions
1. Mailbox Client IPs User Guide x
1.1. Release Information 1.2. Device Family Support 1.3. Parameters 1.4. Mailbox Client IP Core Interface Signals 1.5. Mailbox Client IP Avalon® Memory-Mapped Interface 1.6. Commands and Responses 1.7. Specifying the Command and Response FIFO Depths 1.8. Enabling Cryptographic Services 1.9. Using the Mailbox Client IP 1.10. Accessing Quad SPI Flash Mailbox Client IP Core Use Case Examples 1.11. Nios® II and Nios® V Processors HAL Driver 1.12. Mailbox Client IP User Guide Archives 1.13. Document Revision History for the Mailbox Client IP User Guide
1.4. Mailbox Client IP Core Interface Signals x
1.4.1. Clock and Reset Interfaces 1.4.2. Avalon® Memory-Mapped Interface 1.4.3. AXI Manager Interface
1.5. Mailbox Client IP Avalon® Memory-Mapped Interface x
1.5.1. Interrupt Enable Register 1.5.2. Interrupt Status Register 1.5.3. Timer Registers
1.6. Commands and Responses x
1.6.1. Operation Commands 1.6.2. Error Code Responses 1.6.3. Error Code Recovery
1.11. Nios® II and Nios® V Processors HAL Driver x
1.11.1. Mailbox Client HAL API 1.11.2. LibRSU HAL API
1.11.1. Mailbox Client HAL API x
1.11.1.1. Mailbox Client Driver API
1.11.2. LibRSU HAL API x
1.11.2.1. Configuration Parameter 1.11.2.2. Error Codes 1.11.2.3. Using LibRSU HAL API without Valid SPT or CPB 1.11.2.4. Data Type 1.11.2.5. Functions 1.11.2.6. RSU Client API
1. Mailbox Client IPs User Guide
2. Appendix: CONFIG_STATUS and RSU_STATUS Error Code Descriptions

1.4.2. Avalon® Memory-Mapped Interface

The Avalon® memory-mapped interface is standard memory-mapped interface. For detailed definitions of these signals, refer to the Avalon® Memory-Mapped Interface chapter in the Avalon® Interface Specifications.

Table 5.   Avalon® Memory-Mapped Interface
Signal Role Width Direction Description
avmm_address 4 Input Avalon® memory-mapped interface address.
avmm_write 1 Input Avalon® memory-mapped interface write request.
avmm_read 1 Input Avalon® memory-mapped interface read request.
avmm_writedata 32 Input Avalon® memory-mapped interface write data bus.
avmm_readdata 32 Output Avalon® memory-mapped interface read data bus.
avmm_readdatavalid 1 Output Avalon® memory-mapped interface read data valid.
avmm_waitrequest 1 Output Avalon® memory-mapped interface wait request.
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