
CY3240-I2USB I2C-USB Bridge Guide, Doc. # 001-66660 Rev.** 23
4. Hardware
4.1 System Block Diagram
The CY3240-I2USB kit has two boards:
■ I2C-USB Bridge board
■ Demo target board
I2C-USB Bridge board consists of:
■ PSoC CY8C24894 chip
■ USB Mini B connector
■ ISSP programming header.
■ GPIO pins
■ I2C slave interface connector
Figure 4-1. I2C-USB Bridge Board
Demo target board consists of:
■ CY8C21123 chip
■ LED
■ Photodiode
■ ISSP programming header/data connector
PSoC
CY8C24894
ISSP
Programming
Header
I2C Slave
Connector
GPIO Pins
USB Mini B Connector
(Communication and
Power Supply of
3.3V/5V)
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