Details

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BUY PC16550DN https://www.utsource.net/itm/p/12377808.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	4.75	5.0	5.25	V
Operating Temperature Range	Toper	-40	-	85	°C
Storage Temperature Range	Tstg	-65	-	150	°C
Input Current (High)	IIH	-	1.0	20	μA
Input Current (Low)	IIL	-1	0.4	-	μA
Output Current (Source)	IOH	-	4.0	8.0	mA
Output Current (Sink)	IOL	4.0	8.0	-	mA
Data Rate		-	1.0	1.5	Mbps
Baud Rate Generator Clock		1.875	3.6864	18.432	MHz
FIFO Depth		-	64	-	Bytes
Power Consumption		-	100	-	mW

Instructions for Using PC16550DN

1. Power Supply:

   • Ensure the supply voltage is within the range of 4.75V to 5.25V.
   • Connect the Vcc pin to the positive power supply and GND to the ground.

2. Temperature Considerations:

   • The operating temperature range is from -40°C to 85°C.
   • Store the device in an environment between -65°C and 150°C.

3. Input and Output Signals:

   • For input signals, ensure that the current does not exceed 20μA when high and does not drop below -1μA when low.
   • For output signals, the source current should not exceed 8.0mA, and the sink current should be at least 4.0mA.

4. Data Rate and Baud Rate:

   • The data rate can range from 1.0Mbps to 1.5Mbps.
   • The baud rate generator clock should be set between 1.875MHz and 18.432MHz.

5. FIFO Configuration:

   • The FIFO depth is fixed at 64 bytes. Use the appropriate control registers to manage FIFO operations.

6. Power Consumption:

   • The typical power consumption is around 100mW. Ensure that the power supply can handle this load.

7. Initialization:

   • Initialize the UART by setting up the control registers according to your application requirements.
   • Configure the baud rate, parity, stop bits, and data length as needed.

8. Interrupt Handling:

   • Enable interrupts for events such as data reception, transmission completion, and errors.
   • Implement interrupt service routines to handle these events efficiently.

9. Error Handling:

   • Monitor error flags to detect issues like framing errors, parity errors, and buffer overflows.
   • Take appropriate corrective actions based on the detected errors.

10. Testing:

    • Test the UART communication using a loopback configuration or by connecting it to another UART device.
    • Verify the data integrity and timing to ensure reliable operation.

By following these instructions, you can effectively integrate and use the PC16550DN UART in your design.

(For reference only)