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ATTINY85V-10PU
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id=8-PDIP
id=3D
id=default
id=FOOTPRINT_V5
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- The ATtiny85 will communicate with the RDA5807M using I²C.
- A basic connection for power and ground, as well as I²C communication lines, is required.
- The operating voltage for both devices is compatible (usually 3.3V or 5V, but I'll assume 5V for the ATtiny85V-10PU).
- You have configured the ATtiny85 to use its USI as an I²C master.
Connection Steps-
Power Connections:
- Connect
- Connect
-
I²C Communication Lines:
- The ATtiny85 doesn't have dedicated I²C pins but uses its General Purpose I/O pins with Universal Serial Interface (USI) for I²C communication. Pins
- Connect
- Connect
Additional NotesVCC(P:8) of the ATtiny85 to the VCC (usually pin 1) of the RDA5807M. This is the positive supply voltage.GND(P:4) of the ATtiny85 to the GND (usually pin 8 or as per RDA5807M pinout) of the RDA5807M. This is the ground connection.PB0(P:5) andPB2(P:7) can serve as SDA (Data Line) and SCL (Clock Line) respectively, after proper configuration in software.PB0(P:5) of the ATtiny85 to the SDA pin of the RDA5807M. This is the I²C Data line.PB2(P:7) of the ATtiny85 to the SCL pin of the RDA5807M. This is the I²C Clock line.- Ensure that both the ATtiny85 and the RDA5807M are configured to operate at the same logic level (e.g., 5V or 3.3V) for compatibility.
- You might need pull-up resistors on both the SDA and SCL lines, typically in the range of 4.7kΩ to 10kΩ, connected to VCC. This is a common requirement for I²C communication.
- Remember to program the ATtiny85 with the appropriate firmware to initialize I²C communication and control the RDA5807M.
Example Connection ListP:8to RDA5807M VCC.P:4to RDA5807M GND.P:5to RDA5807M SDA (with a 4.7kΩ to 10kΩ pull-up resistor to VCC recommended).P:7to RDA5807M SCL (with a 4.7kΩ to 10kΩ pull-up resistor to VCC recommended).