USB Evaluation Board
Summary
The USB Evaluation Board is a circuit board for
evaluating USB products from Firmware Factory. In any
given evaluation, only a small proportion of the
components will be fitted. For this reason it is supplied
unpopulated and uses through-hole components for
easy manual construction.
Features
The board provides for:
20-pin, 28-pin and 40-pin DIL devices
Type B socket, suitable for standard USB cables
Type A plug, suitable for USB extension cables
12MHz and 32kHz crystal oscillators
RS232 line driver, 9-pin sockets in DTE and DCE
configurations
RS485 line driver
Coin cell battery
SPI serial memory
28-pin DIL host processor
3 active low LEDs
3 active high LEDs
3 jumpers
Photodiode
Thermistor
Li-Ion charge controller
Prototyping area
Firmware Factory Ltd
2 Marshall St, 3
rd
Floor
London W1F 9BB, UK
sales@firmwarefactory.com
support@firmwarefactory.com
Compatible USB Products
The evaluation board is compatible with the following
USB products from Firmware Factory:
USB-232 asynchronous serial interface
TEAleaf-USB security and authentication dongle
expandIO-USB I/O expander
USB-SPI synchronous serial interface
USB-I2C synchronous serial interface
USB-TakeOff managed power take-off, wakeup
and charge controller
USB-DAQ data logger
USB-FileSys configuration and diagnostic module
To use the evaluation board with each of these products,
please refer to each product’s individual data sheet.
p1
3-Sep-08
USB Evaluation Board
HW157-3
www.firmwarefactory.com