Exar offer a variety of UARTs (Universal Asynchronous Receiver Transmitter) with a broad range of first in, first out (FIFO) depths, while supporting popular central processing unit (CPU) bus interface such as 8-bit VLIO.
A Universal Asynchronous Receiver/Transmitter, abbreviated (UART) and universal synchronous/asynchronous receiver/transmitter (USART) are commonly used in conjunction with communication standards such as EIA, RS-232, RS-422 or RS-485. It takes bytes of data and transmits or receives the individual bits in a sequential fashion. Modem (Modulator-Demodulator) that modulates an analogue carrier signal to encode digital information and demodulates the signal to decode the transmitted information includes the UART function for transmission over telephone lines.
Attribute
Value
Number of Channels per Chip
2
Standard Supported
RS232, RS422, RS485
Transmit FIFO
64B
Receive FIFO
64B
Maximum Data Rate
6.25Mbit/s
Transmitter and Receiver FIFO Counter
Yes
Mounting Type
Surface Mount
Package Type
TQFP
Pin Count
100
Typical Operating Supply Voltage
5 V
Dimensions
14.1 x 14.1 x 1.05mm
Minimum Operating Temperature
0 °C
Maximum Operating Temperature
+70 °C
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