SUSPEND#/RI_SCI1GND2D+3D-4VIO5VDD6REGIN7VBUS8RST#9CTS_ECI10RTS_ECI11RXD_ECI12TXD_ECI13GPIO.1_ECI/DSR_ECI14GPIO.0_ECI/DTR_ECI15NC/DCD_ECI/VPP16SUSPEND#/RI_ECI17CTS_SCI18RTS_SCI19RXD_SCI20TXD_SCI21GPIO.2_SCI/DSR_SCI22GPIO.1_SCI/DTR_SCI23GPIO.0_SCI/DCD_SCI24EXP25