Details

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BUY ST16C554DIJ68-F https://www.utsource.net/itm/p/12508221.html

Parameter	Description	Value
Part Number	ST16C554DIJ68-F
Type	UART (Universal Asynchronous Receiver-Transmitter)
Channels	4 channels
Data Rate	Maximum baud rate	1.5 Mbps
Supply Voltage	Operating voltage range	4.5V to 5.5V
Operating Temperature	Range	-40°C to +85°C
Package Type	QFN (Quad Flat No-leads)	32-pin
Interface	UART
Input/Output Current	I/O current per pin	±10 mA
Standby Current	Power-down mode current consumption	1 μA
Power Consumption	Active mode power consumption	200 mW
Operating Frequency	Clock frequency	1 MHz to 18 MHz
ESD Protection	Electrostatic discharge protection	±2 kV (Human Body Model)
Certifications	Compliance standards	AEC-Q100 Grade 1

Instructions for Use

1. Power Supply:

   • Connect the VCC pin to a stable 5V power supply.
   • Ensure the GND pin is connected to the system ground.

2. Clock Input:

   • Provide a clock signal to the XIN pin. The clock frequency should be within the specified range (1 MHz to 18 MHz).

3. UART Configuration:

   • Configure the UART settings (baud rate, data bits, parity, stop bits) via the control registers.
   • Refer to the datasheet for register addresses and configuration details.

4. Data Transmission:

   • Write data to the transmit buffer to send data over the TXD pins.
   • Read data from the receive buffer when the RXD pins detect incoming data.

5. Interrupt Handling:

   • Enable interrupts for specific events (e.g., data received, buffer full).
   • Service the interrupt by reading the status register and handling the event accordingly.

6. Power Management:

   • To enter power-down mode, set the appropriate bit in the control register.
   • In power-down mode, the device consumes minimal current (1 μA).

7. Handling ESD:

   • Use proper ESD protection measures during handling and installation.
   • Avoid touching the pins directly with bare hands.

8. Soldering and PCB Layout:

   • Follow recommended soldering profiles for QFN packages.
   • Ensure proper thermal and electrical connections for reliable operation.

9. Testing:

   • Verify the functionality of each UART channel using a loopback test or connecting to a known working device.
   • Monitor the power consumption and temperature to ensure they remain within safe limits.

For detailed information, refer to the official STMicroelectronics datasheet for the ST16C554DIJ68-F.

(For reference only)