VUSB3316USBDN14USBDP15NC6NC12NC18NC24EP25VSSOSC23VSS13PTB5/EXTAL22PTB4/XTAL21PTB3/BLMS#4PTB2/BKGD/MS3PTB1/RESET#2PTB0/IRQ/TCLK1PTA7/KBIP7/TxD20PTA6/KBIP6/RxD19PTA5/KBIP5/TPMCH117PTA4/KBIP4/SS#10PTA3/KBIP3/SPSCK9PTA2/KBIP2/MOSI8PTA1/KBIP1/MISO7PTA0/KBIP0/TPMCH05VDD11