This document is the EP9315 EDB9315A Engineering Development Board Technical Reference Manual released by Cirrus Logic in 2005. The development board is an enhanced universal platform SoC processor with high performance and multifunctionality.
This manual describes the features and basic operation of the EDB9315A Engineering Development Board, an evaluation platform for the EP9315 System‑on‑Chip. It lists the kit contents, board layout, and the available peripherals such as USB, Ethernet, VGA, IDE, and audio interfaces.
The document also covers getting started procedures, cable connections, power‑up steps, and software tools for downloading and programming the board, including Linux image flashing from a Windows PC and HyperTerminal configuration.
| Processor | EP9315 running at 200 MHz |
|---|---|
| SDRAM | 64 MByte |
| Flash Memory | 16 MByte NOR |
| USB Host Ports | Two USB 2.0 full‑speed host ports |
| USB Device Interface | USB 2.0 high‑speed device |
| Audio | Audio Out and Audio In connectors |
| UARTs | Three UARTs |
| Ethernet | 10/100 Mbps Ethernet interface |
| Consumer IR | Consumer IR (CIR) interface |
| LCD Interface | LCD interface with touch‑screen support |
| Power Supply | +5 V, 4 A, 110 V/220 V AC |
The IDE cable has a red wire indicating pin 1, and the IDE connector (JP5) pin 1 is located toward the power switch S2; silkscreen markings also show the corner pins.
Configure the PC serial port for 38400 baud, 8 data bits, no parity, 1 stop bit, no flow control for WinCE, or 57600 baud for Linux.