Audio Mod RF-04-N-10 PC13 BAS85 56 PG1 PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8 PC9 PC10 PC11 PC12 PG0 57 PG2 87 PG3 88 PG4 89 PG5 90 PG6 91 PG7 92 PG8

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3 LC0,uF,uF R R 0uF 0uF uf R uf uf uh FOX_.000 uh 0uF 0uF R k DFU mode k 0uF KRMR SSSM TCM0 P0DT0G S PN0-S STMFX_ZIT C C0 C C C C C C C R R C C C C R C0 C C C L R0 IC L C C RD C0 C0 R0 P R C C0 C C C C TP C IC VIN D C C C C SD WP IC R IC VIN D X OOT0 NRST P0 P P P P 0 P P P P 00 P 0 P0 0 P 0 P 0 P-SWDIO 0 P-SWCLK 0 P 0 P0 P P P-SWO P P P P P P 0 P0 P 0 P P P P-TIMCH PC PC PC PC PC PC PC PC PC PC PC PC PC PC PD PD PD PD PD PD PD PD PD PD 0 PD PD PD PD PDR_ON PE PE PE PE PE PE PE PE PE 0 PE PE PE PE PE PF0 0 PF PF PF PF PF PF PF PF 0 PF PF0 PF PF 0 PF PF PF PG0 PG PG PG PG PG 0 PG PG PG PG PG0 PG PG PG PG PG PH0 PH VT VCP_ VCP_ 0 VDD VDD 0 VDD VDD VDD VDD VDD VDD VDD 0 VDD VDD0 VDD VDD VREF VSS VSS VSS VSS VSS VSS VSS 0 VSS 0 VSS 0 VSS IC R JP JP P0 P PC PC PC PC PC PC PC PC PC PC PC PC PC PD PD PD PD PD PD PD PD PD PD PD PD PD PD PE PE PE PE PE PE PE PE PE PE PE PE PE PE P0 P P P P P P P P P P0 US_DFU_N US_DFU_N US_DFU_N US_DFU_P US_DFU_P US_DFU_P P P P P0 P P P P P P P P P P P US_HOST_N US_HOST_N US_HOST_N US_HOST_P US_HOST_P US_HOST_P UI_V_MCU UI_V_MCU UI_V_MCU UI_V_MCU PH UI_V OOT0 NRST UI_V USH_V PG0 PG PG PG PG PG PF PF PF PG PG PF PG PG0 PG PF PF0 PG PG PF PF PF PG PG PG PF PF0 PF PF PF PF PF VT PC_0 PC V CPU, EEprom, Power, US 0. DGYGW (based on mchf M0NK) MCHF-000 Date: : Sheet: / REV: TITLE: Document Number: mchf_ui_i0_0a US additional Ports LQFP Option for LC0 ootmode select 0 (P) (utton and) Flash ROM open short don`t care pressed hold oot high on reset LDO CPU, Volt LDO US,0 Volt / 00 m US Host US Dfu udio Mod RF-0-N-0 US_HOST_HEDER US_DFU_HEDER

4 C nf S S S S S S S S S S0 S S S S S S S C nf G G M M G M SM SP M F F F F P F G Power PC uttons S.. S R grün R nf rot nf blau al LED PF nf nf DEUG ECE_SW (R0 oder R) ECE_SW (R oder R) ECE_SW (R oder R) R0 PF R PF R PF0 E E E M R PC M R P M R PC ECE_SW C0 PE C P C P C P0 C C PC C PC C PC C PC C PC C0 PD C PE C PE C P C PE C PE C P C JP UI_V R D D D S C PD PD PD PE PE PE PE PE PE PE PE PD PD PD?? R 0uF RTC larm C0 R 0 C R 0 Pin oard to oard LCD TP_CS P TP_CS UDIO Q Exiter Q In 0 TP_SCK R P SCK UDIO I Exiter I In D0 TP_SDI R PC MISO UDIO_IN_Q Demod Q Out D TP_SDO R0 PC MOSI UDIO_IN_I Demod I Out D TP_IRQ P TP_IRQ D CS PD 0 place D RS PD DC P D WR PD WR close to CPU DC P 0 D RD PD RD DC P D RESET PD DC P D PD dah D Pad did PE D0 L_ UI_V PTT on P D L_ Power down PC D and0 P D and P D and P0 D Power utton PC 0 L_CTRL OPT0 PG0 V_IN OPT PG OPT PG HYD_MOD P R SDL SI0 R SC SI0 P N$0 TFT Display HYD with ( parallel, touch) Soft V UI_V Soft V UI_V Soft V UI_V P RTC al IC0 oder (IC /Q) 0 C PF ECE_SW P LRM PD TP UI_V_MCU LRM C C IC0 KHZ INT RST DSW C C SD VT Volume RF gain RIT P PD Tantal al utton S encoder with switch (E-E) LED Debug Interface PG Debug print NRST Reset P SWDIO P SWCLK UI_V_MCU JP 0 ECE_SW P0 P V T - CR0P_L C DS0SMT UI_V_MCU SD VT IC SQW/ X X Pin oard to oardjp PF PF PF PF PF ( for future RF oard) P0 P C nf Q TP C nf Hz C nf C nf encoder with switch E Frequency ECE_SW E ECE_SW CC nf PC PC C,V D R0,V D nf C0 JP Pin oard to oard PF0 PF PF PF PF PF PF DC PF PF PF 0 PF0 PG USRT_TX PG PG PG PG USRT_RX PG0 PG PG PG 0 PG PG PG utton_e PG I/O (Taster, Drehencoder, LCD, LED,RTC) TITLE: mchf_ui_i0_0a ( for future RF oard) (based on mchf M0NK) DGYGW Document Number: MCHF-000 REV: 0. Date: : Sheet: / JP

5 PC P PC digital audio interface 0_0 0_0 J T R S KLR P Speaker J Line Out udio UDIO I UDIO Q UDIO_IN_I J RHP0 RHP UDIO_IN_Q analog audio interface PTT on nf R 0 R R R R C nf nf uf C Paddle_dah R nf UDIO_ C C C nf uf 0nF C k 0uF C C Mic In_0 MIC_IN_ C C R 0nF SP nf _V uf JP MIC In MIC Out PTT In PTT Out _V ext. NF_VOX Modul audio amplifier RC R LMM- C 0uF C C C 0 SP 0nF K IC IC DVDD CLK CLK DCDT DCLRC DCDT DCLRC HPVDD LHP RHP HP L R VDD micbias switch CRO PH R K WM R R0 D DCVDD XTO MCLK K SDIN CS MODE LLINEIN RLINIIN MICIN MICIS VMID k C IC digital supply Y Z Z Y E E LVC0 nf _V C0 T C 0 UI_V E E Y Z Z Y C 0uF R 0uF 0 C 0uF C C C0 C enable line input R uf C uf R 0pF 0uF 0nF 0uF C C UI_V SW_V R C C _V C C R R P R R oder R uf RF-0-N-00 0 R UI_V_MCU 0 R C 0pF uf R0 R R C P R k 0pF C C R IC _V k Y Z Z Y E E C0 LVC0 0uF 0uF enable line input k R R TITLE: mchf_ui_i0_0a C C k k analog supply E E Y Z Z Y R k C 0nF LINE_IN_L 0pF NDSP k T uh LINE_IN_R R0 C 0 C0 uf C C R nf L udio: codec, P, nalog I/O (based on mchf M0NK) C nf C UI_V C 0uF PC P0 P J 0_0 _V line in/out header JP LINE_IN_L LINE_IN_R RHP0 RHP DGYGW ext. udio Document Number: MCHF-000 REV: 0. Date: : Sheet: / Input clock IC IC SD enable IQ input control interface Line In udio