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XC-1A Hardware Manual (1.2)
1 Introduction
The XC-1A is a card-sized development board based on the XMOS XS1-G4 event-driven
processor device. It comprises a single XS1-G4, 16 user-configurable LEDs, four push-
buttons, a speaker, JTAG and serial interfaces, four expansion areas suitable for IDC
headers and a through-hole prototyping area for connecting external components.
The diagram below shows the layout of the main components on the card:
B
B
F
B
B
B
A XS1-G4 Device
B Twelve Red/Green User LEDs
C Four Green User LEDs
D Four Push-Button Switches
E Four I/O Expansion Areas
F Prototyping Area
G Speaker
The XC-1A Development Kit also includes a USB cable for powering and booting
the device from a PC. The card is fitted with four plastic feet, which are useful for
building bigger prototyping systems.
The following sections in this document provide a detailed description of these
components.
E
E
C
B
B
D
C
D
B
G
A
B
B
D
C
B
D
B
C C
E
E
www.xmos.com
K
H Mini USB-B Connector
I 20MHz Crystal Oscillator
J USB 2.0 to JTAG
K SPI FLASH
L External 5V Connector
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L
I
H
J
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