1 F1 J1 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 VIN CANL D1 VCC12V 1N4001 Kline CANH D2 D3 D4 R3 470R R4 470R R5 470R P_LED OBD_LED PC_LED VCC3V3 VCC3V3 VCC3V3 R6 22K R9 4.7K Q1 S8550 R10 4.7K R12 4.7K D5 Kline 1N4001 R7 4.7K KRXD Q2 S8050 VIN R15 1K Kline VCC3V3 R16 4.7K VCC12V U2 VCC5V Vin Vout GND C4 104 78M05 VCC5V 3 C1 104 U3 LM1117 IN OUT OUT D N G 1 VCC3V3 2 4 C5 104 U5 Vref CANL CANH S RXD VCC GND TXD TJA1050/L9616 CANL CANH 5 6 7 8 R13 10K C7 27p R11 120R C6 104 4 3 2 1 CANRX VCC3V3 CANTX VCC3V3 VCC3V3 R18 Q3 S8050 R20 10K R194.7K KTXD R21 4.7K Q4 S8050 BL_RX BL_TX 4 3 2 1 J3 SWDIO SWCLK J2 1 2 3 4 SWD D C B A 1 2 3 PDF created with pdfFactory trial version www.pdffactory.com 2 3 4 BL_RX BL_TX VCC3V3 R1 470K C2 104 C3 104 U1 TXD RXD CTS RTS PCM_CLK PCM_OUT PCM_IN PCM_SYNC AIO0 AIO1 RESET VCC GND GND USB- CSB MOSI PIO11 PIO10 PIO9 PIO8 PIO7 PIO6 PIO5 PIO4 PIO3 PIO2 PIO1 PIO0 GND GND USB+ CLK MISO 10 11 12 13 14 15 16 17 29 30 31 32 33 34 37 38 BL_TX BL_RX CS1 SCLK MISO MOSI PWM1 KTXD KRXD CANRX CANTX SWDIO SWCLK OBD_LED U4 PA0-WKUP PA1 PA2UART_TXD2 PA3UART_RXD2 PA4 PA5 PA6 PA7 PA8 PA9UART_TXD1 PA10/UART_RXD1 PA11/CAN_RXD PA12/CAN_TXD PA13/TMS/SWDIO PA14/TCK/SWCLK PA15/TDI PB0 PB1 PB2/BOOT1 PB3/TDO PB4/NTRST PB5 PB6 PB7 PB8 PB9 PB10 PB11 PB12 PB13 PB14 PB15 VCC3V3 OSC_IN/PD0 OSC_OUT/PD1 PC13/TAMPER_RTC PC14/OSC32_IN PC15/OSC32_OUT OSC_IN OSC_OUT R14 47K VCC3V3 5 6 7 1 24 36 48 C8 104 C9 104 9 BL_DEC R2 10K KEY1 KEY2 PC_LED P_LED OBD_TX OBD_RX BL_DEC R17 10K 18 19 20 39 40 41 42 43 45 46 21 22 25 26 27 28 2 3 4 44 23 35 47 8 R8 10K NRST VBAT VDD-1 VDD_2 VDD_3 VDDA BOOT0 VSS_1 VSS_2 VSS_3 VSSA STM32F101C8T6 Title Size A4 Date: File: Number Revision 25-Mar-2012 E:\PCB\HL218\HL218.ddb Sheet of Drawn By: 4 D C B A