Allwinner A20 Processor User Manual
Comprehensive user manual for the Allwinner A20 processor, detailing system architecture, peripheral registers, memory mapping, and hardware controller configurations.
Overview
This 835-page technical user manual provides an exhaustive overview of the Allwinner A20 dual-core processor architecture. It covers essential system components including the CPU configuration, Memory Mapping, and the Clock Control Unit (CCU). The document provides detailed register lists and functional descriptions for integrated peripherals such as the DMA controller, PWM, high-speed timers, Audio Codec, and Touch Panel (TP) controller. Additionally, it outlines the security system, JTAG configuration, and port controller specifications required for low-level firmware and hardware development.
Use Cases
- Firmware and driver development for Allwinner A20 based devices
- Hardware integration and system-on-chip peripheral configuration
- Embedded system design using dual-core ARM Cortex-A7 processors
- Debugging and troubleshooting hardware-level register settings
- Bootloader development and system memory management