PiXtend V2 -L- Hardware Manual
6.2.3.2 I²C on 5V level
PiXtend uses only the address 0x68 (hex) on the I²C bus of the Raspberry Pi through the
integrated real time clock (RTC).
Further 127 devices* can therefore be connected to the bus system. The bus has a 5 V
voltage level on PiXtend (pin header, see Figure 47).
Applications
–
EEPROM, flash (memory)
–
Sensors (ultrasound, temperature, air pressure, CO
2
etc.)
–
Data connection to integrated circuits such as microcontrollers, FPGAs, ASICs, port
expanders, LED drivers, PWM chips, etc.
–
Touch screen controller
–
Analog / digital or digital-to-analog converters
* with 7-bit addressing, with 10-bit addressing, in principle 1136 devices are possible.
www.pixtend.com
Copyright by Qube Solutions GmbH
74 / 146
Figure 47: Pin header - I²C on 5 V level
