SystemBase Eddy-CPU, User Manual

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Eddy-CPU User Guide
15
Chapter 3. Hardware Description
This chapter provides Eddy-CPU’s hardware information including block diagram, layout, pin
specifications, dimensions and other hardware-related issues.
1. Overview
Ethernet LAN port is provided as a pin-header. Transformers and RJ-45 connector must be implemented
exteriorly by the user. (or RJ connectors with internal transformer -- LAN-Mate or MACJack -- may be
use for implementations.)
8 bit address/8 bit data bus provides flexible connections to outer devices such as UART
8 bit address/8 bit data bus interface to support flexible connections to peripheral devices such as UART.
Maximum of 16 user programmable IOs are available.
This chapter provides Eddy’s hardware information, including block diagram, layout, pin specifications,
dimensions and other hardware-related issues.
Chip Selects
Chip select signal Typical Slave Device Address Range Size
CS0# Flash ROM
0x00400000-
0x007FFFFF
4MB
IO_CS# Application dependent
0x002C0000-
0x002CFFFF
64KB
Eddy-CPU Operating Conditions
Parameter Symbol Min Typ Max Units
Supply Voltage Vcc 3.0 3.3 3.6 VDC
Supply Current Icc 400 mA
Operating ambient temperature T
A
0 70
℃