Credit Card Numbers - Visa. These Credit card numbers validate for Visa credit cards. The number and information is as real as it can be, and contains valid bin information. The structure of the credit card number starts with a valid bin number and also validates against the LUHN's formula.
UART is a protocol (Universal asynchronous receiver/transmitter ) for serial transfer of information. You ask about an embedded system with mentioning which so I'll assume that you have a block diagram with one indicating UART.
As part of this interface, the UART also: 1  Converts the bytes it receives from the computer along parallel circuits into a single serial bit stream for outbound transmission. 2  On inbound transmission, converts the serial bit stream into the bytes that the computer handles.