EESchema Schematic File Version 2 date Sat 16 Apr 2011 10:09:15 AM PDT LIBS:power,/home/jessb/Projects/leafhw/hardware-lib/leaf,device,conn,linear,regul,74xx,cmos4000,adc-dac,memory,xilinx,special,microcontrollers,dsp,microchip,analog_switches,motorola,texas,intel,audio,interface,digital-audio,philips,display,cypress,siliconi,contrib,valves,./mapleNative.cache EELAYER 24 0 EELAYER END $Descr A4 11700 8267 Sheet 5 5 Title "" Date "21 feb 2011" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Text GLabel 4550 6450 1 60 BiDi ~ 0 6/BUT Connection ~ 4550 6350 Wire Wire Line 4550 6450 4550 6250 Wire Wire Line 3550 1300 3750 1300 Wire Wire Line 5250 1450 6250 1450 Wire Wire Line 4750 1450 4750 1550 Wire Wire Line 2750 4750 2850 4750 Wire Wire Line 9850 1950 9850 1850 Wire Wire Line 8800 2550 10350 2550 Wire Wire Line 7650 1550 7650 1450 Wire Wire Line 1950 3850 1950 3750 Connection ~ 5750 1450 Wire Wire Line 5250 1450 5250 1550 Connection ~ 1150 6800 Wire Wire Line 1750 6800 1050 6800 Wire Wire Line 2750 3050 2850 3050 Wire Wire Line 2750 3850 2850 3850 Wire Wire Line 2750 3250 2850 3250 Wire Wire Line 8800 1850 8900 1850 Wire Wire Line 8800 4950 8900 4950 Wire Wire Line 8800 4750 8900 4750 Wire Wire Line 2750 5850 2850 5850 Wire Wire Line 2750 5650 2850 5650 Wire Wire Line 2750 5450 2850 5450 Wire Wire Line 2750 5250 2850 5250 Wire Wire Line 2750 5050 2850 5050 Wire Wire Line 2750 4850 2850 4850 Wire Wire Line 2750 4650 2850 4650 Wire Wire Line 2750 4450 2850 4450 Wire Wire Line 2750 4250 2850 4250 Wire Wire Line 2750 4050 2850 4050 Wire Wire Line 2750 3550 2850 3550 Wire Wire Line 2750 2750 2850 2750 Wire Wire Line 2750 2550 2850 2550 Wire Wire Line 2750 2350 2850 2350 Wire Wire Line 2750 2150 2850 2150 Wire Wire Line 2750 1950 2850 1950 Wire Wire Line 8900 2450 8800 2450 Wire Wire Line 8900 2250 8800 2250 Wire Wire Line 8900 2050 8800 2050 Wire Wire Line 8900 5950 8800 5950 Wire Wire Line 8900 5750 8800 5750 Wire Wire Line 8900 5550 8800 5550 Wire Wire Line 8900 5350 8800 5350 Wire Wire Line 8900 5150 8800 5150 Wire Wire Line 8900 4550 8800 4550 Wire Wire Line 8900 4250 8800 4250 Wire Wire Line 8900 4050 8800 4050 Wire Wire Line 8900 3850 8800 3850 Wire Wire Line 8900 3650 8800 3650 Wire Wire Line 8900 3450 8800 3450 Wire Wire Line 8900 3350 8800 3350 Wire Wire Line 8900 3150 8800 3150 Wire Wire Line 8900 2950 8800 2950 Wire Wire Line 8900 2750 8800 2750 Wire Wire Line 4900 1350 4900 1450 Wire Wire Line 7750 6350 7750 6250 Wire Wire Line 7550 6350 7550 6250 Wire Wire Line 7350 6350 7350 6250 Wire Wire Line 5450 6350 5450 6250 Wire Wire Line 5250 6350 5250 6250 Wire Wire Line 4850 6350 4850 6250 Wire Wire Line 4750 6350 4750 6250 Wire Wire Line 6350 6350 6350 6250 Wire Wire Line 6050 6250 6050 6350 Wire Wire Line 5850 6250 5850 6350 Wire Wire Line 5650 6250 5650 6350 Wire Wire Line 6850 6250 6850 6350 Wire Wire Line 4650 6250 4650 6350 Wire Wire Line 5050 6250 5050 6350 Wire Wire Line 7150 6250 7150 6350 Wire Wire Line 6950 6250 6950 6350 Connection ~ 3700 6750 Wire Wire Line 3800 6750 3300 6750 Connection ~ 4900 1450 Wire Wire Line 6450 1450 7450 1450 Connection ~ 6250 1450 Connection ~ 5350 1450 Wire Wire Line 5350 1450 5350 1550 Connection ~ 5550 1450 Wire Wire Line 5550 1450 5550 1550 Connection ~ 5950 1450 Wire Wire Line 5950 1450 5950 1550 Connection ~ 6150 1450 Wire Wire Line 6150 1450 6150 1550 Connection ~ 6550 1450 Wire Wire Line 6550 1550 6550 1450 Connection ~ 6750 1450 Wire Wire Line 6750 1550 6750 1450 Connection ~ 6950 1450 Connection ~ 7150 1450 Wire Wire Line 7150 1550 7150 1450 Connection ~ 7350 1450 Wire Wire Line 7350 1550 7350 1450 Wire Wire Line 7750 700 7750 1550 Wire Wire Line 7850 1550 7850 1050 Connection ~ 9350 1400 Wire Wire Line 9100 1400 9350 1400 Wire Wire Line 1050 7300 1050 7200 Wire Wire Line 1050 7200 1150 7200 Wire Wire Line 1050 6800 1050 6750 Wire Wire Line 1050 6250 1050 6200 Wire Wire Line 8250 800 8250 700 Wire Wire Line 9100 1050 9350 1050 Wire Wire Line 9350 1050 9350 1500 Wire Wire Line 7950 1550 7950 1400 Wire Wire Line 3300 6750 3300 6600 Wire Wire Line 6450 1450 6450 1550 Wire Wire Line 7450 1450 7450 1550 Wire Wire Line 7250 1550 7250 1450 Connection ~ 7250 1450 Wire Wire Line 7050 1550 7050 1450 Connection ~ 7050 1450 Wire Wire Line 6850 1550 6850 1450 Connection ~ 6850 1450 Wire Wire Line 6650 1550 6650 1450 Connection ~ 6650 1450 Wire Wire Line 6250 1450 6250 1550 Wire Wire Line 6050 1450 6050 1550 Connection ~ 6050 1450 Wire Wire Line 5850 1450 5850 1550 Connection ~ 5850 1450 Wire Wire Line 5650 1450 5650 1550 Connection ~ 5650 1450 Wire Wire Line 5450 1450 5450 1550 Connection ~ 5450 1450 Connection ~ 6450 1450 Wire Wire Line 5050 1450 5050 1550 Wire Wire Line 4850 1550 4850 1450 Wire Wire Line 4850 1450 4950 1450 Wire Wire Line 4950 1450 4950 1550 Wire Wire Line 6950 1550 6950 1350 Wire Wire Line 4550 6350 3700 6350 Connection ~ 3800 6350 Wire Wire Line 7050 6250 7050 6350 Wire Wire Line 6650 6250 6650 6350 Wire Wire Line 5150 6250 5150 6350 Wire Wire Line 6750 6250 6750 6350 Wire Wire Line 5550 6250 5550 6350 Wire Wire Line 5750 6250 5750 6350 Wire Wire Line 5950 6250 5950 6350 Wire Wire Line 6250 6350 6250 6250 Wire Wire Line 6450 6350 6450 6250 Wire Wire Line 6550 6350 6550 6250 Wire Wire Line 4950 6350 4950 6250 Wire Wire Line 5350 6350 5350 6250 Wire Wire Line 7250 6350 7250 6250 Wire Wire Line 7450 6350 7450 6250 Wire Wire Line 7650 6350 7650 6250 Wire Wire Line 8900 2850 8800 2850 Wire Wire Line 8900 3050 8800 3050 Wire Wire Line 8900 3250 8800 3250 Wire Wire Line 8900 3550 8800 3550 Wire Wire Line 8900 3750 8800 3750 Wire Wire Line 8900 3950 8800 3950 Wire Wire Line 8900 4150 8800 4150 Wire Wire Line 8900 4450 8800 4450 Wire Wire Line 8900 5250 8800 5250 Wire Wire Line 8900 5450 8800 5450 Wire Wire Line 8900 5650 8800 5650 Wire Wire Line 8900 5850 8800 5850 Wire Wire Line 2850 5950 2750 5950 Wire Wire Line 8900 1950 8800 1950 Wire Wire Line 8900 2150 8800 2150 Wire Wire Line 8900 2350 8800 2350 Wire Wire Line 2750 1850 2850 1850 Wire Wire Line 2750 2050 2850 2050 Wire Wire Line 2750 2250 2850 2250 Wire Wire Line 2750 2450 2850 2450 Wire Wire Line 2750 2650 2850 2650 Wire Wire Line 2750 3650 2850 3650 Wire Wire Line 2750 4150 2850 4150 Wire Wire Line 2750 4350 2850 4350 Wire Wire Line 2750 4550 2850 4550 Wire Wire Line 2750 4950 2850 4950 Wire Wire Line 2750 2850 2850 2850 Wire Wire Line 2750 5350 2850 5350 Wire Wire Line 2750 5550 2850 5550 Wire Wire Line 2750 5750 2850 5750 Wire Wire Line 8800 4650 8900 4650 Wire Wire Line 8800 4850 8900 4850 Wire Wire Line 8800 5050 8900 5050 Wire Wire Line 2750 3150 2850 3150 Wire Wire Line 2750 3350 2850 3350 Wire Wire Line 2750 3950 2850 3950 Wire Wire Line 2750 2950 2850 2950 Wire Wire Line 7850 1050 8700 1050 Connection ~ 8400 1050 Wire Wire Line 7950 1400 8700 1400 Connection ~ 8400 1400 Connection ~ 5250 1450 Wire Wire Line 5750 1550 5750 1350 Wire Wire Line 1950 3750 2850 3750 Wire Wire Line 9850 2450 9850 2550 Connection ~ 9850 2550 Wire Wire Line 10250 1850 10350 1850 Wire Wire Line 10350 1850 10350 1950 Wire Wire Line 4650 1350 4650 1550 Wire Wire Line 4250 1300 4050 1300 Wire Wire Line 3550 1200 3550 1500 Wire Wire Line 3550 1500 4250 1500 Wire Wire Line 4250 1500 4250 1200 Connection ~ 4250 1300 Connection ~ 3550 1300 Text Notes 3550 1600 0 40 ~ 0 solder jumper $Comp L JP_SW JP1 U 1 1 4D54699B P 3900 1300 F 0 "JP1" H 4000 1400 50 0000 C CNN F 1 "JP_SW" H 3900 1200 50 0000 C CNN F 2 "JP_SW" H 3900 1450 50 0001 C CNN 1 3900 1300 1 0 0 -1 $EndComp Kmarq B 4750 1550 "Warning Pin power_in not driven (Net 117)" F=1 Kmarq B 10350 1950 "Warning Pin power_in not driven (Net 116)" F=1 Kmarq B 5050 1550 "Warning Pin power_in not driven (Net 62)" F=1 Kmarq B 5250 1550 "Warning Pin power_in not driven (Net 61)" F=1 Kmarq B 3550 1200 "Warning Pin power_in not driven (Net 1)" F=1 Text GLabel 4250 1200 3 60 BiDi ~ 0 VREF $Comp L VAA #PWR5 U 1 1 4D52E865 P 3550 1200 F 0 "#PWR5" H 3550 1260 30 0001 C CNN F 1 "VAA" H 3550 1310 30 0000 C CNN 1 3550 1200 1 0 0 -1 $EndComp Text GLabel 5050 1450 3 60 BiDi ~ 0 VBAT Text GLabel 4750 1450 3 60 BiDi ~ 0 VREF Text GLabel 8900 4650 2 60 BiDi ~ 0 USB_P NoConn ~ 7550 1550 $Comp L GND #PWR044 U 1 1 4BBE4414 P 10350 1950 F 0 "#PWR044" H 10350 1950 30 0001 C CNN F 1 "GND" H 10350 1880 30 0001 C CNN 1 10350 1950 1 0 0 -1 $EndComp $Comp L LED D4 U 1 1 4BBE43DA P 10050 1850 F 0 "D4" H 10050 1950 50 0000 C CNN F 1 "LED" H 10050 1750 50 0000 C CNN 1 10050 1850 1 0 0 -1 $EndComp $Comp L R R18 U 1 1 4BBE4342 P 9850 2200 F 0 "R18" V 9930 2200 50 0000 C CNN F 1 "1k" V 9850 2200 50 0000 C CNN 1 9850 2200 -1 0 0 1 $EndComp $Comp L BUT BUT2 U 1 1 4BB523D5 P 3700 6550 F 0 "BUT2" H 3700 6800 60 0000 C CNN F 1 "BUT" H 3700 6800 60 0001 C CNN 1 3700 6550 0 -1 -1 0 $EndComp $Comp L BUT BUT1 U 1 1 4BB523CB P 1050 7000 F 0 "BUT1" H 1050 7250 60 0000 C CNN F 1 "BUT" H 1050 7250 60 0001 C CNN 1 1050 7000 0 -1 -1 0 $EndComp Text GLabel 7650 1450 3 60 BiDi ~ 0 RST $Comp L STM32F103ZE U1 U 1 1 4BB13396 P 5750 3600 F 0 "U1" H 3100 5500 60 0000 C CNN F 1 "STM32F103ZE" H 5750 3600 60 0000 C CNN 1 5750 3600 1 0 0 -1 $EndComp $Comp L VCC #PWR045 U 1 1 4B918520 P 5750 1350 F 0 "#PWR045" H 5750 1450 30 0001 C CNN F 1 "VCC" H 5750 1450 30 0000 C CNN 1 5750 1350 1 0 0 -1 $EndComp $Comp L GND #PWR046 U 1 1 4B915FBB P 1950 3850 F 0 "#PWR046" H 1950 3850 30 0001 C CNN F 1 "GND" H 1950 3780 30 0001 C CNN 1 1950 3850 1 0 0 -1 $EndComp Text GLabel 2750 3050 0 60 BiDi ~ 0 USB_DP Text GLabel 2750 2950 0 60 BiDi ~ 0 USB_DM Text GLabel 2750 3950 0 60 BiDi ~ 0 JTAG-TRST Text GLabel 2750 3850 0 60 BiDi ~ 0 JTAG-TDO Text GLabel 2750 3350 0 60 BiDi ~ 0 JTAG-TDI Text GLabel 2750 3250 0 60 BiDi ~ 0 JTAG-TCK Text GLabel 2750 3150 0 60 BiDi ~ 0 JTAG-TMS Text GLabel 6950 6350 1 60 BiDi ~ 0 43 Text GLabel 7050 6350 1 60 BiDi ~ 0 42 Text GLabel 7150 6350 1 60 BiDi ~ 0 41 Text GLabel 6650 6350 1 60 BiDi ~ 0 40 Text GLabel 5150 6350 1 60 BiDi ~ 0 80/FSMC_NE2 Text GLabel 4650 6350 1 60 BiDi ~ 0 33 Text GLabel 6750 6350 1 60 BiDi ~ 0 45 Text GLabel 6850 6350 1 60 BiDi ~ 0 44 Text GLabel 4750 6350 1 60 BiDi ~ 0 32 Text GLabel 4850 6350 1 60 BiDi ~ 0 31 Text GLabel 4950 6350 1 60 BiDi ~ 0 30 Text GLabel 5250 6350 1 60 BiDi ~ 0 34 Text GLabel 5350 6350 1 60 BiDi ~ 0 35 Text GLabel 5450 6350 1 60 BiDi ~ 0 36 Text GLabel 8900 5050 2 60 Output ~ 0 75/FSMC_A22 Text GLabel 8900 4950 2 60 Output ~ 0 72/FSMC_A21 Text GLabel 8900 4850 2 60 Output ~ 0 69/FSMC_A20 Text GLabel 8900 4750 2 60 Output ~ 0 66/FSMC_A19 Text GLabel 8900 3450 2 60 BiDi ~ 0 FSMC_NE1 Text GLabel 8900 3350 2 60 BiDi ~ 0 29 Text GLabel 8900 3050 2 60 BiDi ~ 0 28 Text GLabel 8900 2950 2 60 BiDi ~ 0 27/SDIO_CMD Text GLabel 8900 2850 2 60 BiDi ~ 0 67/FSMC_D3 Text GLabel 8900 2450 2 60 BiDi ~ 0 21 Text GLabel 8900 2350 2 60 BiDi ~ 0 20 Text GLabel 8900 2250 2 60 BiDi ~ 0 19/SDIO_CK Text GLabel 8900 2150 2 60 BiDi ~ 0 18/SDIO_D3 Text GLabel 8900 2050 2 60 BiDi ~ 0 17/SDIO_D2 Text GLabel 8900 1950 2 60 BiDi ~ 0 16/SDIO_D1 Text GLabel 8900 1850 2 60 BiDi ~ 0 15/SDIO_D0 Text GLabel 2750 5950 0 60 BiDi ~ 0 14 Text GLabel 2750 5850 0 60 BiDi ~ 0 13 Text GLabel 2750 5750 0 60 BiDi ~ 0 12 Text GLabel 2750 5650 0 60 BiDi ~ 0 11 Text GLabel 2750 5550 0 60 BiDi ~ 0 10 Text GLabel 2750 5450 0 60 BiDi ~ 0 9 Text GLabel 2750 5350 0 60 BiDi ~ 0 8 Text GLabel 2750 5250 0 60 BiDi ~ 0 7 Text GLabel 2750 2850 0 60 BiDi ~ 0 25 Text GLabel 2750 5050 0 60 BiDi ~ 0 5 Text GLabel 2750 4950 0 60 BiDi ~ 0 4 Text GLabel 2750 4850 0 60 BiDi ~ 0 3 Text GLabel 2750 4750 0 60 BiDi ~ 0 2 Text GLabel 2750 4650 0 60 BiDi ~ 0 1 Text GLabel 2750 4550 0 60 BiDi ~ 0 0 Text GLabel 2750 4450 0 60 BiDi ~ 0 26 Text GLabel 2750 4350 0 60 BiDi ~ 0 DISC Text GLabel 2750 4250 0 60 BiDi ~ 0 39 Text GLabel 2750 4150 0 60 BiDi ~ 0 38 Text GLabel 2750 4050 0 60 BiDi ~ 0 37 Text GLabel 2750 3650 0 60 BiDi ~ 0 46 Text GLabel 2750 1850 0 60 BiDi ~ 0 48 Text GLabel 2750 3550 0 60 BiDi ~ 0 47 Text GLabel 10350 2550 2 60 BiDi ~ 0 22 Text GLabel 2750 2750 0 60 BiDi ~ 0 24 Text GLabel 2750 2650 0 60 BiDi ~ 0 23 Text GLabel 2750 2550 0 60 BiDi ~ 0 55 Text GLabel 2750 2450 0 60 BiDi ~ 0 54 Text GLabel 2750 2350 0 60 BiDi ~ 0 53 Text GLabel 2750 2250 0 60 BiDi ~ 0 52 Text GLabel 2750 2150 0 60 BiDi ~ 0 51 Text GLabel 2750 2050 0 60 BiDi ~ 0 50 Text GLabel 2750 1950 0 60 BiDi ~ 0 49 Text GLabel 8900 5950 2 60 BiDi ~ 0 93/FSMC_D12 Text GLabel 8900 5850 2 60 BiDi ~ 0 90/FSMC_D11 Text GLabel 8900 5750 2 60 BiDi ~ 0 87/FSMC_D10 Text GLabel 8900 5650 2 60 BiDi ~ 0 84/FSMC_D9 Text GLabel 8900 5550 2 60 BiDi ~ 0 81/FSMC_D8 Text GLabel 8900 5450 2 60 BiDi ~ 0 78/FSMC_D7 Text GLabel 8900 5350 2 60 BiDi ~ 0 76/FSMC_D6 Text GLabel 8900 5250 2 60 BiDi ~ 0 73/FSMC_D5 Text GLabel 8900 5150 2 60 BiDi ~ 0 70/FSMC_D4 Text GLabel 8900 4550 2 60 BiDi ~ 0 92/FSMC_NBL1 Text GLabel 8900 4450 2 60 BiDi ~ 0 95/FSMC_NBL0 Text GLabel 8900 4250 2 60 BiDi ~ 0 61/FSMC_D1 Text GLabel 8900 4150 2 60 BiDi ~ 0 58/FSMC_D0 Text GLabel 8900 4050 2 60 Output ~ 0 63/FSMC_A18 Text GLabel 8900 3950 2 60 Output ~ 0 60/FSMC_A17 Text GLabel 8900 3850 2 60 Output ~ 0 57/FSMC_A16 Text GLabel 8900 3750 2 60 BiDi ~ 0 100/FSMC_D15 Text GLabel 8900 3650 2 60 BiDi ~ 0 98/FSMC_D14 Text GLabel 8900 3550 2 60 BiDi ~ 0 96/FSMC_D13 Text GLabel 7750 6350 1 60 Output ~ 0 56/FSMC_A0 Text GLabel 7650 6350 1 60 Output ~ 0 59/FSMC_A1 Text GLabel 7550 6350 1 60 Output ~ 0 62/FSMC_A2 Text GLabel 7450 6350 1 60 Output ~ 0 65/FSMC_A3 Text GLabel 7350 6350 1 60 Output ~ 0 68/FSMC_A4 Text GLabel 7250 6350 1 60 Output ~ 0 71/FSMC_A5 Text GLabel 6550 6350 1 60 Output ~ 0 74/FSMC_A6 Text GLabel 6450 6350 1 60 Output ~ 0 77/FSMC_A7 Text GLabel 6350 6350 1 60 Output ~ 0 79/FSMC_A8 Text GLabel 6250 6350 1 60 Output ~ 0 82/FSMC_A9 Text GLabel 6050 6350 1 60 Output ~ 0 85/FSMC_A10 Text GLabel 5850 6350 1 60 Output ~ 0 91/FSMC_A12 Text GLabel 5950 6350 1 60 Output ~ 0 88/FSMC_A11 Text GLabel 5750 6350 1 60 Output ~ 0 94/FSMC_A13 Text GLabel 5650 6350 1 60 Output ~ 0 97/FSMC_A14 Text GLabel 5550 6350 1 60 Output ~ 0 99/FSMC_A15 Text GLabel 1750 6800 2 60 BiDi ~ 0 RST Text GLabel 5050 6350 1 60 BiDi ~ 0 83/FSMC_NE3 Text GLabel 8900 3250 2 60 BiDi ~ 0 86/FSMC_NWE Text GLabel 8900 3150 2 60 BiDi ~ 0 89/FSMC_NOE Text GLabel 8900 2750 2 60 BiDi ~ 0 64/FSMC_D2 $Comp L GND #PWR047 U 1 1 4B8B0CB9 P 4900 1350 F 0 "#PWR047" H 4900 1350 30 0001 C CNN F 1 "GND" H 4900 1280 30 0001 C CNN 1 4900 1350 1 0 0 1 $EndComp $Comp L VAA #PWR6 U 1 1 4B8B0CB6 P 4650 1350 F 0 "#PWR6" H 4650 1410 30 0001 C CNN F 1 "VAA" H 4650 1460 30 0000 C CNN 1 4650 1350 1 0 0 -1 $EndComp $Comp L GND #PWR048 U 1 1 4B8B0C8C P 6950 1350 F 0 "#PWR048" H 6950 1350 30 0001 C CNN F 1 "GND" H 6950 1280 30 0001 C CNN 1 6950 1350 1 0 0 1 $EndComp Text Label 7750 900 3 60 ~ 0 BOOT0 Text Label 3850 6350 0 60 ~ 0 BOOT0 $Comp L VCC #PWR049 U 1 1 4B8ADEC7 P 3300 6600 F 0 "#PWR049" H 3300 6700 30 0001 C CNN F 1 "VCC" H 3300 6700 30 0000 C CNN 1 3300 6600 -1 0 0 -1 $EndComp $Comp L OSC OSC1 U 1 1 4B8383C6 P 8400 1250 F 0 "OSC1" H 8500 1300 50 0000 L CNN F 1 "8Mhz" H 8500 1200 50 0000 L CNN 1 8400 1250 1 0 0 -1 $EndComp $Comp L GND #PWR050 U 1 1 4B8383A4 P 9350 1500 F 0 "#PWR050" H 9350 1500 30 0001 C CNN F 1 "GND" H 9350 1430 30 0001 C CNN 1 9350 1500 1 0 0 -1 $EndComp $Comp L C C2 U 1 1 4B837588 P 8900 1400 F 0 "C2" H 8950 1500 50 0000 L CNN F 1 "18pF" H 8950 1300 50 0000 L CNN 1 8900 1400 0 -1 -1 0 $EndComp $Comp L C C1 U 1 1 4B837587 P 8900 1050 F 0 "C1" H 8950 1150 50 0000 L CNN F 1 "18pF" H 8950 950 50 0000 L CNN 1 8900 1050 0 -1 -1 0 $EndComp $Comp L GND #PWR051 U 1 1 4B83757E P 8250 800 F 0 "#PWR051" H 8250 800 30 0001 C CNN F 1 "GND" H 8250 730 30 0001 C CNN 1 8250 800 1 0 0 -1 $EndComp $Comp L R R2 U 1 1 4B83757D P 8000 700 F 0 "R2" V 8080 700 50 0000 C CNN F 1 "10k" V 8000 700 50 0000 C CNN 1 8000 700 0 1 1 0 $EndComp $Comp L GND #PWR052 U 1 1 4B83757C P 1050 7300 F 0 "#PWR052" H 1050 7300 30 0001 C CNN F 1 "GND" H 1050 7230 30 0001 C CNN 1 1050 7300 1 0 0 -1 $EndComp $Comp L VCC #PWR053 U 1 1 4B83757A P 1050 6200 F 0 "#PWR053" H 1050 6300 30 0001 C CNN F 1 "VCC" H 1050 6300 30 0000 C CNN 1 1050 6200 1 0 0 -1 $EndComp $Comp L R R1 U 1 1 4B837579 P 1050 6500 F 0 "R1" V 1130 6500 50 0000 C CNN F 1 "1.5k" V 1050 6500 50 0000 C CNN 1 1050 6500 1 0 0 -1 $EndComp $EndSCHEMATC