Eurotech Appliances PXA270 Detailed hardware description, ZEUS block diagram

ZEUS Technical Manual Detailed hardware description

Detailed hardware description

This section provides a detailed description of the functions provided by the ZEUS. This information may be required during development after you have started adding extra peripherals, or are starting to use some of the embedded features.

ZEUS block diagram

The following diagram illustrates the functional organization of the ZEUS EPIC single board computer:

ZEUS

PXA270

			Clock			Clocks
		Generation
			COM 1
DB9						RS232
					Transceiver
			COM 2
DB9						RS232
					Transceiver
			I2C
			COM 3		RS232/422/
					485
COMS					Transceiver
Header			COM 4
					RS422/485
					Transceiver
	2x			Transformer
RJ45
				Transformer
	PC/					Buffers
104

CF

SocketBuffers

64/128 MB

SDRAM

32/64 MB FLASH

256KB SRAM

QUAD	BUS
	CONTROLLER
Serial
UART
EEPROM	MEMORY
Ethernet
Controller
Ethernet
Controller
Serial
EEPROM
CPLD	I2C
PM I2C

PERIPHERALS / GPIO

				Power
					Amp
											Audio
	AC’97										Header
					AC'97
				Codec
											TSC
											Header
						LVDS					LVDS
LCD				Transmitter							Header
											LCD
			USB 1.1 Host								Header
	2xUSB
				USB 1.1 Host
											Conn.
							USB 1.1 Client
											USB
											Header
	STUART										GPS
					Header			Socket			Module
										PSU
	FFUART										GSM/
											3G
											Module
										Daughter Board
BTUART					Header			Socket		ZigBee Module
		Quick Capture Camera
											Header
					I2C
	I/O								I/O		GPIO
	Expander							Expander			Header
	Temp							Config
	Sensor							PROM

Power	DC/ 5V	Power
Conn.		PSUs
10-30V	DC
Power
Header
5V
	Battery
Reset		Reset Reset
Button		IC

		RTC
	JTAG
			JTAG
			Header
SPI1	CAN	CAN
		Transc	Header
	controller
		eiver
	GPIO
				User
	MMC/SD/SDIO		LEDs
			SDIO
			Socket

© 2007 Eurotech Ltd Issue D 18