PreenFM2 - SMD version 2

L L/H0 US J US up V STMF Pgm US Vo R/W E 0 0 K V VF VU SWLK SWIO #T RV 0K R 0 L uh US_M US_P L uh R R V #T R K Marker nin nin IS_S nin nin V V 00n L_ L_ L_ L_ 0 L_ L_E SS V US_ US_ SWIO SWLK IS_WS 0 0 00n 0 U Reset P/SIO_M/Uart_Rx Vbat STMF0/LQFP 00n 00n u nin nin nin nin V L uh u J nalog In u u PH0/OscIn PH/OscOut P0WKUP/dcIn0/dcIn0/dcIn0/Timh/Timh/Uart_Tx P0/dcIn/dcIn/Timh P/dcIn/dcIn/dcIn/Timh/Timh/Uart_Rx P/dcIn/dcIn/Timh P/dcIn/dcIn/dcIn/Timh/Timh/Timh/Uart_Tx P/oot P/dcIn/dcIn/dcIn/Timh/Timh/Timh/Uart_Rx P/SPI_SK/SPI_SK/Timh P/dcIn/dcIn/acOut// P///Timh P/dcIn/dcIn/acOut/SPI_SK/Timh P/N_Rx///Timh P/dcIn/dcIn//Timh/Timh P/N_Tx/I_SL/Timh/Uart_Tx P/dcIn/dcIn//Timh/Timh P/I_S/Timh/Uart_Rx P/I_SL/Timh P/N_Rx/I_SL/SIO_/Tim0h/Timh P/Timh/Uart_Tx P/N_Tx/I_S/SIO_//Timh/Timh P0/Timh/Uart_Rx P0/I_SL/SPI_SK/Timh/Uart_Tx 0 P/N_Rx/Timh/US_FS_M P/I_S/Timh/Uart_Rx P/N_Tx/US_FS_P P/N_Rx/IS_WS/ P/SWIO P/N_Tx/IS_K/SPI_SK P/SWLK P//Timh/US_HS_M P//IS_WS//Timh P//Timh/US_HS_P P0/dcIn0/dcIn0/dcIn0 P/dcIn/dcIn/dcIn P/dcIn/dcIn/dcIn/ P/dcIn/dcIn/dcIn/IS_S/ P/dcIn/dcIn P/dcIn/dcIn P/SIO_/Timh/Timh/Uart_Tx P/SIO_/Timh/Timh/Uart_Rx P/SIO_0/Timh/Timh 0 P/I_S/SIO_/Timh/Timh P0/SIO_/IS_K/SPI_SK/Uart_Tx/Uart_Tx P/SIO_//Uart_Rx/Uart_Rx P/SIO_K/IS_S//Uart_Tx P P/OscIn P/OscOut Vcap Vcap oot0 XT Y MHz XT 0 oot SPI_SK Txux Rxux SL S TxMII RxMII IS_WS IS_K US_M US_P SoftMute SoftMute IS_K LE IS_S LE LE LE R K Loader J Pgm p p V R K H V SPI_SK Txux Rxux TxMII RxMII MII V IS_WS IS_S IS_K IS_WS IS_S IS_K V SoftMute SoftMute H H V SPI_SK SURFE_ONTROL V V H V HP_L HP_R HP_L HP_R GN HeadPhones_mplifier IS_WS IS_S IS_K IS_WS IS_S IS_K SoftMute SoftMute GN POT_SK POT_S UIO_PTH V HP_L HP_R POT_SK POT_S HP_L HP_R GN V POT_SK POT_S V HP_L HP_R HP_L HP_R V HP_L HP_R POT_SK POT_S HP_L HP_R US Pen V Power J J J Pwr SS u V V V V U LMM0/PK In Out 00n V U V LML0/SOT In Out 0 0u u V 0u V L uh VF u V U L/SOT Vin GN U L/SOT Vin GN 0u V 0u V V u V u MH LE LE LE LE S MH MH R 00 R0 00 R 00 R 00 MH LE quagreen LE quagreen LE quagreen LE quagreen S SL R K PreenFM SM version R K Size ocument Number Rev Emil.0 ate: Friday, January, 0 Sheet of J I

Right Left MidPt Right Left MidPt OutL XSMT POT_SK POT_S POT_SO POT_SO POT_SK POT_S IS_S IS_K IS_WS IS_S IS_K IS_WS OutL OutL OutR XSMT XSMT XSMT OutL OutR OutR OutR SoftMute GN V V GN V POT_SK POT_S IS_WS IS_S IS_K IS_K IS_WS IS_S SoftMute HP_L HP_R HP_L HP_R V V V V V V V V V V V V V V V V V Size ocument Number Rev ate: Sheet of Emil.0 PreenFM udio Path Friday, January, 0 Size ocument Number Rev ate: Sheet of Emil.0 PreenFM udio Path Friday, January, 0 Size ocument Number Rev ate: Sheet of Emil.0 PreenFM udio Path Friday, January, 0 Optional Second hannel U PM0 U PM0 p app p apm Vneg OutL OutR EMP 0 FLT SK K in LRK FMT XSMT LO0 0 u V u V N N R K R K u u 0 00p 0 00p u u 00p 00p R 0K R 0K 00n 00n u u 00n 00n 00n 00n J Out L/L J Out L/L R RN SN S T TN 0 00n 0 00n R 0K R 0K R 0K R 0K u u u V u V U0 OP U0 OP R R R 0K R 0K u u u u 00n 00n R 0K R 0K R 0K R 0K u V u V u u 00n 00n J Out R/R J Out R/R R RN SN S T TN R K R K U MP00 U MP00 SK SI SO P0 PW0 P0 0 P PW P S SHN u u 00n 00n U0 OP U0 OP R 0K R 0K R R R 0K R 0K 00n 00n U OP U OP R K R K 00n 00n R 0K R 0K R 0K R 0K 00n 00n U MP00 U MP00 SK SI SO P0 PW0 P0 0 P PW P S SHN 00p 00p 00p 00p 0 u V 0 u V R K R K R 0K R 0K R R U PM0 U PM0 p app p apm Vneg OutL OutR EMP 0 FLT SK K in LRK FMT XSMT LO0 0 R0 R0 R 0K R 0K U OP U OP R K R K N N 00n 00n 00n 00n 00n 00n 00n 00n 00n 00n R K R K 00n 00n

V V V V V V 0 00n R K R0 K HP_L HP_L HP_R HP_R 0 u 0 u 0 u 0 u ypass R 0K R 0K ypass R 0K R 0K 0 ypass V U0 M0/SO R K U0 M0/SO R K ypass V U0 M0/SO R K V U0 M0/SO R K R K R K R K R 0K R0 0K 0 u 0 u 0 u HP_Shutdown Q N00/SOT R R 0K K V HP_Shutdown ypass U In SHN ypass In LM0 Out Out R R 0K K V 0 0u V 0 0u V R0 0K R 0K Tip Ring Ring J PHONEJK TRIPLE SJTS GN R K u 00n HeadPhones mplifier Size ocument Number Rev Emil.0 ate: Friday, January, 0 Sheet of

V Txux Rxux V R 0 JR UX Out R R 0K R 0K U HPL0L VO VF VO VF N R0 0 JR GN VF VF V V UX In N R 0 JR MII In V RxMII TxMII R 0 JR R MII Out PreenFM MII & UX Interface Size ocument Number Rev Emil.0 ate: Friday, January, 0 Sheet of

LE Green SPI_SK LE Green Mount only one V R 00 Enc 0 Enc Enc Enc 0 Enc Sw Sw SWIO SWLK LE #T V U P0/OscIn P/OscOut NT Vbat 00n 00n STMF0/LQFP P0WKUP/Uart_TS/dcIn0 P0/dcIn/Timh P/Uart_RTS/dcIn/Timh P/dcIn/Timh 0 P/Uart_Tx/dcIn/Timh P/oot P/Uart_Rx/dcIn/Timh P/SPI_SK/TimhJTO P//dcIn P//Timh/JNTT 0 P/SPI_SK/dcIn P/Timh P//dcIn/Timh P/I_SL/Timh P//dcIn/Timh P/I_S/Timh P/Uart_K/Timh/MO P/I_SL/Timh P/Uart_Tx/Timh P/I_S/Timh P0/Uart_Rx/Timh P0/I_SL/Uart_Tx P/Uart_TS/USM/Timh P/I_S/Uart_Rx P/Uart_RTS/USP P//Uart_K P/JTMS/SWIO P/SPI_SK/Uart_TS P/JTK/SWLK P//Uart_RTS P//Timh/JTI P//TimhN P/NTI_TMP P/OscIn P/OscOut oot0 R K Enc Enc Enc Enc Enc SwE SwE SwE SwE SwE Sw Sw POT_S POT_SK VolumeMode Sw Sw Sw POT_S POT_SK LE Yellow/Orange R 0 LE Yellow/Orange Mount only one Enc Enc Enc Enc Enc Enc Enc Enc 00n 0 00n 00n 00n 00n 00n 00n 00n EN EN EN EN P P P P P P P P SwE SwE SwE SwE 00n 00n 00n 00n 00n 00n 0 00n 00n 00n 00n Sw SW Sw SW Sw SW Sw SW Sw SW Sw SW J V Sw STMF Pgm SWLK SWIO #T Enc Enc 00n 00n EN P P SwE 00n 00n SW STMF0 pullup 0Kohm and 00nF debounce of ~ms PreenFM Surface ontrol Size ocument Number Rev Emil.0 ate: Friday, January, 0 Sheet of