RX31VSSHD2VIOHD3TX34CTS35RTS36RI37DCD38DSR39DTR310RI211DCD212CTS213RTS214RX215TX216DSR217DTR218SUSPEND#19SUSPEND20GPIO.1521GPIO.1422GPIO.1323VIO24VSS25GPIO.1226GPIO.1127GPIO.1028GPIO.929GPIO.830GPIO.731GPIO.632GPIO.533GPIO.434NC35NC36GPIO.337GPIO.238VIO39GPIO.140GPIO.041RI142DCD143DSR144DTR145CTS146RTS147RX148TX149RI050DCD051DSR052DTR053CTS054RTS055RX056TX057VDD58VSS59VREGIN60VBUS61D+62D-63RESET#64EP65