The APB Channel provides the necessary infrastructure to connect as many as 16 AHB Slaves (numbered 0-15) to an APB Bus Master. The APB Channel performs a combinational decode on the incoming APB address to produce the block selects for the various APB Slaves.
Typically, the APB Channel is connected as in the following description. Each of the APB Channel’s 16 Mirrored Slave Ports is connected to an APB Slave module (e.g. Timer, UART, GPIO). On the Master side, the APB Channel’s Mirrored Master Port typically is connected to an AHB to APB Bridge module.
APB Channel with Decoder and Data Mux
Overview
Key Features
- AMBA® APB 2.0 and 3.0 Compatible
- Bus Infrastructure for up to 16 APB Slaves
- Includes address decode
- Includes read data muxing
Block Diagram

Deliverables
- Verilog Source
- Complete Test Environment
- AHB Bus Functional Model
- C Sample Code
Technical Specifications
Maturity
Silicon Proven
Availability
Now
Related IPs
- AHB Channel with Decoder and Data Mux IP Core
- SD Card Controller - Verifies SD card interface functionality, ensuring reliable data transfer and compliance with specifications
- UART with FIFOs and Synchronous CPU Interface
- UART with FIFOs, IrDA and Synchronous CPU Interface
- ColdFire V1 core with EMAC, Divider and Cryptograhic unit
- ColdFire V2 Core with single Fast Ethernet and AMBA peripherals connected in a subsytem