SC16C654DBIB64,151
NXP
NXP - SC16C654DBIB64,151 - UART интерфейс, 4 канала, 5 Мбит/с, 2.25 В, 5.5 В, LQFP, 64 вывод(-ов)
Failed to connect to MySQLi: (2002) Connection refused