EESchema Schematic File Version 2 LIBS:neo900 LIBS:powered LIBS:bme280 LIBS:bmx055 LIBS:slg46531 LIBS:tmd2671 LIBS:gencon LIBS:msl0104rgb LIBS:nmosfet-gsd LIBS:74x1g123 LIBS:74x1g74_6d LIBS:74x2g07_6 LIBS:74x1g32_6 LIBS:fsa2866 LIBS:74x1g04_6 LIBS:101-00271-82 LIBS:lsf204rut LIBS:txs4555rut LIBS:ada4505-1acbz LIBS:opt-mini-rf-tap LIBS:tlv3691idpf LIBS:tps61160drv LIBS:dualbjt LIBS:wl1837mod LIBS:phs8-clean LIBS:tsa5a22366 LIBS:xra1201 LIBS:pmosfet-gsd LIBS:bb-xm-aux LIBS:bb-xm-audio LIBS:dualnmosfet LIBS:xo-quad-en LIBS:74x4051 LIBS:fuse LIBS:two-way-jumper LIBS:nx3v1g66_6 LIBS:dualpmosfet LIBS:diode-3 LIBS:sp7538p LIBS:r-array-8-2com LIBS:neo900-cache EELAYER 25 0 EELAYER END $Descr A3 16535 11693 encoding utf-8 Sheet 25 29 Title "Adaptation (v2 only)" Date "Intentionally Left Blank" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "Xsheetnumber=33" $EndDescr Text Notes 4100 7850 0 70 ~ 0 connect to BB Text Notes 4100 7950 0 70 ~ 0 by some Micro-USB cable $Comp L USB-AB-NEW-105017-0001 P3304 U 5 1 578DEAF4 P 6600 7850 F 0 "P3304" H 7000 7200 50 0000 R CNN F 1 "105017-0001" H 6600 8500 50 0000 C CNN F 2 "neo900-legacy:105017-0001" H 6491 7170 50 0001 L BNN F 3 "" H 6600 7850 60 0001 C CNN 5 6600 7850 -1 0 0 1 $EndComp $Comp L GND-3 #U$3301 U 1 1 578E2140 P 7700 7550 F 0 "#U$3301" H 7580 7451 70 0001 L BNN F 1 "GND3" H 7580 7451 70 0001 L BNN F 2 "" H 7700 7550 60 0001 C CNN F 3 "" H 7700 7550 60 0001 C CNN 1 7700 7550 1 0 0 -1 $EndComp Wire Wire Line 7200 7450 7700 7450 Wire Wire Line 7200 7850 7600 7850 Wire Wire Line 7200 8050 7600 8050 Text GLabel 7600 7850 2 60 BiDi ~ 0 USB_MODEM_DP_U Text GLabel 7600 8050 2 60 BiDi ~ 0 USB_MODEM_DM_U NoConn ~ 7200 7650 NoConn ~ 7200 8250 $Comp L XO-QUAD-EN U3302 U 1 1 58079D09 P 5800 9700 F 0 "U3302" H 5500 9950 60 0000 L CNN F 1 "CSX-252FAP32768" H 5800 9400 60 0000 C CNN F 2 "" H 5800 9700 60 0001 C CNN F 3 "" H 5800 9700 60 0001 C CNN 1 5800 9700 1 0 0 -1 $EndComp Text GLabel 6600 9600 2 60 Input ~ 0 1V8_U $Comp L C0603 C3303 U 1 1 58079DBC P 6400 10050 F 0 "C3303" H 6440 10090 50 0000 L CNN F 1 "1u" H 6450 9900 50 0000 L CNN F 2 "neo900-legacy:SMD-0603" H 6430 10200 20 0001 C CNN F 3 "" H 6400 10050 60 0001 C CNN 1 6400 10050 1 0 0 -1 $EndComp $Comp L GND #M3302 U 1 1 58079E6A P 6400 10450 F 0 "#M3302" H 6400 10450 45 0001 C CNN F 1 "GND" H 6400 10450 45 0001 C CNN F 2 "" H 6400 10450 60 0001 C CNN F 3 "" H 6400 10450 60 0001 C CNN 1 6400 10450 1 0 0 -1 $EndComp $Comp L GND #M3301 U 1 1 58079EB4 P 5200 10450 F 0 "#M3301" H 5200 10450 45 0001 C CNN F 1 "GND" H 5200 10450 45 0001 C CNN F 2 "" H 5200 10450 60 0001 C CNN F 3 "" H 5200 10450 60 0001 C CNN 1 5200 10450 1 0 0 -1 $EndComp Wire Wire Line 6300 9600 6600 9600 Wire Wire Line 6400 9950 6400 9600 Connection ~ 6400 9600 Wire Wire Line 5200 10350 5200 9800 Wire Wire Line 5200 9800 5300 9800 NoConn ~ 5300 9600 Text GLabel 6600 9800 2 60 Output ~ 0 CLK32KHZ_U Wire Wire Line 6300 9800 6600 9800 Wire Wire Line 6400 10250 6400 10350 Text Notes 5200 10800 0 60 ~ 0 Alternative: OYKTGLJANF-0.032768 Text Notes 6100 6950 0 120 ~ 0 Modem USB Text Notes 5250 9200 0 120 ~ 0 32 kHz clock $Comp L XO-QUAD-EN U3301 U 1 1 5820D8E1 P 9200 9700 F 0 "U3301" H 8900 9950 60 0000 L CNN F 1 "SG-210STF 19.2000ML" H 9200 9400 60 0000 C CNN F 2 "" H 9200 9700 60 0001 C CNN F 3 "" H 9200 9700 60 0001 C CNN 1 9200 9700 1 0 0 -1 $EndComp $Comp L GND #M3303 U 1 1 5820D911 P 8600 10450 F 0 "#M3303" H 8600 10450 45 0001 C CNN F 1 "GND" H 8600 10450 45 0001 C CNN F 2 "" H 8600 10450 60 0001 C CNN F 3 "" H 8600 10450 60 0001 C CNN 1 8600 10450 1 0 0 -1 $EndComp $Comp L GND #M3304 U 1 1 5820D928 P 9800 10450 F 0 "#M3304" H 9800 10450 45 0001 C CNN F 1 "GND" H 9800 10450 45 0001 C CNN F 2 "" H 9800 10450 60 0001 C CNN F 3 "" H 9800 10450 60 0001 C CNN 1 9800 10450 1 0 0 -1 $EndComp $Comp L C0603 C3301 U 1 1 5820D93F P 9800 10050 F 0 "C3301" H 9840 10090 50 0000 L CNN F 1 "100n" H 9850 9900 50 0000 L CNN F 2 "neo900-legacy:SMD-0603" H 9830 10200 20 0001 C CNN F 3 "" H 9800 10050 60 0001 C CNN 1 9800 10050 1 0 0 -1 $EndComp Text GLabel 10000 9800 2 60 Output ~ 0 CODEC_MCLK_U Wire Wire Line 9700 9800 10000 9800 Wire Wire Line 9800 9950 9800 9800 Connection ~ 9800 9800 Wire Wire Line 9800 10250 9800 10350 Wire Wire Line 8600 9800 8600 10350 Wire Wire Line 8600 9800 8700 9800 Text GLabel 10000 9600 2 60 Input ~ 0 1V8_U Wire Wire Line 9700 9600 10000 9600 Text Notes 8600 10800 0 60 ~ 0 Alternative: KC2520B19.2000C1GE00 Text Notes 8700 9200 0 120 ~ 0 19.2 MHz clock Text GLabel 8500 9600 0 60 Input ~ 0 HFCLK_EN Wire Wire Line 8500 9600 8700 9600 Text Notes 3100 3100 0 70 ~ 0 simple capless 400mA LDO for TPS65950 substitute Text Notes 3100 3200 0 70 ~ 0 (only for prototype) $Comp L GND-3 #U$? U 1 1 5828F4B4 P 4600 4400 AR Path="/578AFF28/5828F4B4" Ref="#U$?" Part="1" AR Path="/578AFF30/5828F4B4" Ref="#U$?" Part="1" F 0 "#U$?" H 4480 4301 70 0001 L BNN F 1 "GND3" H 4480 4301 70 0001 L BNN F 2 "" H 4600 4400 60 0001 C CNN F 3 "" H 4600 4400 60 0001 C CNN 1 4600 4400 1 0 0 -1 $EndComp $Comp L TPS73630DBV U? U 1 1 5828F4BA P 4600 3800 AR Path="/578AFF28/5828F4BA" Ref="U?" Part="1" AR Path="/578AFF30/5828F4BA" Ref="U?" Part="1" F 0 "U?" H 4451 4050 50 0000 L BNN F 1 "TPS73601DBV" H 4639 3530 50 0000 L BNN F 2 "neo900-legacy:SOT23-5" H 4590 3590 65 0001 L TNN F 3 "" H 4600 3800 60 0001 C CNN 1 4600 3800 1 0 0 -1 $EndComp Wire Wire Line 5200 3700 5750 3700 Wire Wire Line 3500 3700 4000 3700 Wire Wire Line 4000 3900 3900 3900 Text GLabel 3500 3700 0 60 Input ~ 0 VSYS_U Text GLabel 5750 3700 2 60 Output ~ 0 2V7_U $Comp L R0402 R? U 1 1 5828F4C6 P 5500 4000 AR Path="/578AFEFC/5828F4C6" Ref="R?" Part="1" AR Path="/578AFF28/5828F4C6" Ref="R?" Part="1" AR Path="/578AFF30/5828F4C6" Ref="R?" Part="1" F 0 "R?" H 5370 4060 50 0000 L BNN F 1 "44k2" H 5500 4000 50 0000 C CNN F 2 "neo900-legacy:SMD-0402" H 5530 4150 20 0001 C CNN F 3 "" H 5500 4000 60 0001 C CNN 1 5500 4000 0 -1 -1 0 $EndComp $Comp L R0402 R? U 1 1 5828F4CD P 5500 4600 AR Path="/578AFEFC/5828F4CD" Ref="R?" Part="1" AR Path="/578AFF28/5828F4CD" Ref="R?" Part="1" AR Path="/578AFF30/5828F4CD" Ref="R?" Part="1" F 0 "R?" H 5370 4660 50 0000 L BNN F 1 "34k0" H 5500 4600 50 0000 C CNN F 2 "neo900-legacy:SMD-0402" H 5530 4750 20 0001 C CNN F 3 "" H 5500 4600 60 0001 C CNN 1 5500 4600 0 -1 -1 0 $EndComp $Comp L GND-3 #U$? U 1 1 5828F4D4 P 5500 5000 AR Path="/578AFF28/5828F4D4" Ref="#U$?" Part="1" AR Path="/578AFF30/5828F4D4" Ref="#U$?" Part="1" F 0 "#U$?" H 5380 4901 70 0001 L BNN F 1 "GND3" H 5380 4901 70 0001 L BNN F 2 "" H 5500 5000 60 0001 C CNN F 3 "" H 5500 5000 60 0001 C CNN 1 5500 5000 1 0 0 -1 $EndComp Wire Wire Line 5500 3800 5500 3700 Connection ~ 5500 3700 Wire Wire Line 5200 3900 5300 3900 Wire Wire Line 5300 3900 5300 4300 Wire Wire Line 5300 4300 5500 4300 Wire Wire Line 5500 4200 5500 4400 Connection ~ 5500 4300 Wire Wire Line 5500 4800 5500 4900 Text GLabel 5750 5500 2 60 Output ~ 0 1V8_U Text GLabel 3700 5700 0 60 Input ~ 0 BB_1V8 Wire Wire Line 3700 5700 4050 5700 Wire Wire Line 3900 3900 3900 5700 Connection ~ 3900 5700 Text Notes 2900 5800 2 120 ~ 24 TODO: use REGEN ? $Comp L TPS73630DBV U? U 1 1 5828F4E8 P 4650 5600 AR Path="/578AFF28/5828F4E8" Ref="U?" Part="1" AR Path="/578AFF30/5828F4E8" Ref="U?" Part="1" F 0 "U?" H 4501 5850 50 0000 L BNN F 1 "TPS73618DBV" H 4689 5330 50 0000 L BNN F 2 "neo900-legacy:SOT23-5" H 4640 5390 65 0001 L TNN F 3 "" H 4650 5600 60 0001 C CNN 1 4650 5600 1 0 0 -1 $EndComp Wire Wire Line 4050 5500 3700 5500 Wire Wire Line 3700 5500 3700 3700 Connection ~ 3700 3700 NoConn ~ 5250 5700 Wire Wire Line 5250 5500 5750 5500 $Comp L GND-3 #U$? U 1 1 5828F4F4 P 4650 6200 AR Path="/578AFF28/5828F4F4" Ref="#U$?" Part="1" AR Path="/578AFF30/5828F4F4" Ref="#U$?" Part="1" F 0 "#U$?" H 4530 6101 70 0001 L BNN F 1 "GND3" H 4530 6101 70 0001 L BNN F 2 "" H 4650 6200 60 0001 C CNN F 3 "" H 4650 6200 60 0001 C CNN 1 4650 6200 1 0 0 -1 $EndComp Wire Wire Line 4600 4200 4600 4300 Wire Wire Line 4650 6000 4650 6100 $EndSCHEMATC