Details

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BUY 82C495XLC https://www.utsource.net/itm/p/12591430.html

Parameter	Description	Value/Range
Part Number	Part identification	82C495XLC
Function	High-speed CMOS dual universal synchronous/asynchronous receiver/transmitter (USART)	-
Supply Voltage (Vcc)	Operating voltage range	4.75 V to 5.25 V
Operating Temperature	Temperature range for operation	-40°C to +85°C
Data Rate	Maximum data rate	1 Mbps
Interface	Communication interface type	UART
Number of Channels	Number of independent USART channels	2
Parity Support	Parity generation and checking support	Yes
FIFO Support	First-In-First-Out buffer support	No
Package Type	Package style	PLCC-44
Pin Count	Number of pins	44

Instructions

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 4.75 V to 5.25 V.
   • Connect the ground (GND) pin to a stable ground reference.

2. Configuration:

   • Set the control registers to configure the USART channels according to your application requirements.
   • Configure the baud rate, parity, stop bits, and data word length as needed.

3. Data Transmission:

   • Write data to the transmit register to send data over the serial line.
   • Monitor the transmit status register to ensure data transmission is complete.

4. Data Reception:

   • Read data from the receive register to retrieve incoming data.
   • Monitor the receive status register to detect errors or data availability.

5. Interrupt Handling:

   • Enable interrupts for specific events such as data reception, transmission completion, or error conditions.
   • Implement interrupt service routines to handle these events efficiently.

6. Reset:

   • Use the reset pin to initialize the device or recover from a fault condition.
   • Ensure the reset signal is held active for at least the minimum required time.

7. Testing:

   • Perform loopback testing to verify the functionality of the USART channels.
   • Use a logic analyzer or oscilloscope to monitor the serial signals for correct timing and data integrity.

8. Storage and Handling:

   • Store the device in a dry, static-free environment.
   • Handle the device with ESD protection to avoid damage.

For detailed register maps and specific configuration settings, refer to the datasheet provided by the manufacturer.

(For reference only)