Atmel AT73C246-EK1, Руководство пользователя

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AT73C246-EK1 Evaluation Kit User Guide 4-1
11047A–PMAAC–08-Apr-10
Section 4
USB-to-Serial Card
The USB-to-Serial Card provides computer terminals to communicate with all PMAAC product line.
It gives designers all necessary for a quick setup of an evaluation card and it supports different product’s
software.
To increase its capabilities for demonstration, this standalone board has 3 serial interfaces (I²S, TWI and
SPI).
4.1 USB-to-Serial Card Features
The USB-to-Serial Card provides the following features:
„
On-board resources:
– Standard USB interface,
– 20 leads GPIO connector,
– 12.288MHz Clock output for digital core,
„
Serial interfaces:
– Bidirectional buffered USB to SPI
– Bidirectional buffered USB to TWI
– Bidirectional buffered USB to I²S
„
On-board indication leds:
– Power “ON”
– Data transmitting
4.2 Electrostatic Warning
The USB-to-Serial Card evaluation board is shipped in protective plastic packaging. The board must not
be subjected to high electrostatic potentials. Avoid touching the components pins or any metallic
element.
4.3 Requirements
In order to set up the USB-to-Serial Card the following items are needed:
1. The USB-to-Serial Card itself.
2. PC station with a standard USB connector.
3. The 20-leads flat cable.