Keyboard Matrix — Schematic (2022-08-16)

Keyboard Matrix — Schematic (2022-08-16)

5 4 COL1 COL2 M11 1 2 D 3 COL3 M12 3 4 1 2 COL4 M13 3 4 1 2 2 COL5 M14 3 4 1 2 COL6 M15 3 4 1 2 1 COL7 M16 3 4 COL8 M17 1 2 3 4 1 2 M18 3 4 1 2 3 4 D ROW1 M21 1 2 M22 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 M23 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 M24 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 M25 3 4 1 2 M26 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 M27 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 M28 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 ROW2 M31 1 2 M32 M33 M34 3 4 ROW3 M41 C 1 2 M42 M43 M44 M45 3 4 1 2 3 4 1 2 3 4 1 2 M46 M47 M48 3 4 C ROW4 M51 1 2 M52 M53 M54 M55 M56 M57 M58 3 4 ROW5 M61 1 2 B M62 M63 M64 M65 M66 M67 M68 3 4 B ROW6 M71 1 2 M72 3 4 1 2 3 4 1 2 M73 3 4 1 2 3 4 1 2 M74 3 4 1 2 3 4 1 2 M75 3 4 1 2 3 4 1 2 M76 3 4 M77 1 2 3 4 1 2 M78 3 4 1 2 3 4 ROW7 M81 1 2 M82 M83 M84 M85 3 4 ROW8 A A 5 4 3 2 1 3 U1 41 42 43 44 45 46 49 50 PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 8 9 10 11 24 25 37 38 PC8 PC9 PC10 PC11 PC12 PC13 PC14 PC15 39 40 51 52 53 2 3 4 5 6 54 PD0 PD1 PD2 BOOT0 60 NRST 7 B1 PA0-WKUP PA1 PA2 PA3 PA4 PA5 PA6 PA7 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PA8 PA9 PA10 PA11 PA12 PA13 PA14 PA15 PB8 PB9 PB10 PB11 PB12 PB13 PB14 PB15 PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 VBAT VDD_1 VSS_1 PC8 PC9 PC10 PC11 PC12 PC13-TAMPER-RTC PC14-OSC32IN PC15-OSC32OUT VDD_2 VSS_2 VDD_3 VSS_3 PD0-OSCIN PD1-OSCOUT PD2 VDD_4 VSS_4 VDDA BOOT0 NRST VSSA 26 27 28 55 56 57 58 59 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 61 62 29 30 33 34 35 36 PB8 PB9 PB10 PB11 PB12 PB13 PB14 PB15 1 32 3V3 C1 64 63 19 18 13 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PB8 PB9 PB10 PB11 PB12 PB13 PB14 PB15 100nF 3V3 31 48 47 PA0 ROW 1 PA1 ROW 2 PA2 ROW 3 PA3 ROW 4 PA4 ROW 5 PA5 ROW 6 PA6 ROW 7 PA7 ROW 8 BL_CTRL PA8 USART0_TX PA9 PA10 USART0_RX USB_DM PA11 USB_DP PA12 PA13 PA14 PA15 C2 4.7uF C3 100nF 3V3 C4 100nF 3V3 C5 100nF C6 100nF 4 1 2 12 3V3 3 4 1 2 KEY4 1 2 KEY5 1 2 R12 10K ROW 2 S2 ROW 3 3 4 ROW 4 3 4 ROW 6 3 4 ROW 8 1 ROW 5 KEY6 1 2 KEY7 1 2 B7 B8 KEY8 1 2 3 4 KEY9 1 2 C7 1uF C8 10nF X2 32.768KHz C11 10pF PD0 PD1 PD2 KEY10 ROW 7 3V3 C10 20pF R2 1K 3V3 COL2 3V3 3V3 R3 10K R4 10K R7 10K U4 1 2 3 COL4 NC1 OUT GND NC3 VDD AN48841 5 HO1 NRST 4 SW 1 DSHP02TSGER LED D1 PC13 COL6 S1 3V3 BOOT0 PUSHKEY-4P_1 PD2 U5 COL8 1 2 3 3 4 NC1 OUT GND NC3 VDD AN48841 5 R5 100K HO2 R6 100K 4 C B11 KEY11 1 2 KEY12 1 2 3 4 3V3 B12 KEY13 1 2 KEY14 1 2 KEY15 1 2 J1 U6 1 2 3 3 4 B13 3 4 NC1 OUT GND NC3 VDD AN48841 5 HO3 OSCIN OSCOUT U7 1 2 3 3 4 B16 KEY16 1 2 3V3 PA9 PA10 5V 3V3 3 4 B15 C12 10pF 1 2 3 4 5 6 4 B14 OSC32_OUT OSCOUT D COL7 3 4 1 2 4 3 COL5 B9 NA EVQP6 COL3 3 4 GND 2 KEY0 COL1 3 4 INPUT OUTPUT 1 B5 B6 U2 LM1117S-3.3 4 2 B4 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 KEY8 KEY9 KEY10 KEY11 KEY12 KEY13 KEY14 KEY15 KEY16 3V3 3 B3 KEY3 5V ROW 1 B2 PC0 COL1 PC1 COL2 PC2 COL3 PC3 COL4 PC4 COL5 PC5 COL6 PC6 COL7 PC7 COL8 PC8 HO1 PC9 HO2 PC10 HO3 PC11 HO4 PC12 KEY0 PC13 PC14 OSC32_IN OSC32_OUT PC15 3V3 OSC32_IN R1 1MΩ KEY2 3 4 B10 OSCIN C9 20pF 1 2 3V3 GD32F103Rx X1 8MHz 2 KEY1 2 PA8 PA9 PA10 PA11 PA12 PA13 PA14 PA15 1 1 14 15 16 17 20 21 22 23 2 5 PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 3 NC1 OUT GND NC3 VDD AN48841 5 HEADER 6 HO4 4 3V3 3 4 R10 1.5K USB_DM USB_DP B R8 R9 5V 1 2 3 4 22R 22R J2 B C110790_4PIN 5V D8 D11 D14 D17 D20 5 2 C14 220nF SW CTRL FB COMP PAD BL_CTRL C13 4.7uF VIN GND 4 1 1 LEDK D0 2 LEDA DSK14 C15 1uF/25V 3 R11 OCP8178 7 6 LEDA D3 LED D6 LED D9 LED D12 LED D15 LED D18 LED D21 LED D4 LED D7 LED D10 LED D13 LED D16 LED D19 LED D22 LED LED LED LED LED LED LED LED ESD1 U3 5V LEDK ESD0402 D5 10uH/0.5A ESD3 D2 ESD0402 L1 ESD0402 USB_DM USB_DP ESD2 C 4 1 D 5 1 2 3 4 5 J3 VBUS DD+ ID GND G1 G2 G3 G4 6 7 8 9 miniusb_1 10R 1% A A Title Clockwork_Keyboard Size A3 Date: Document Number <Doc> Tuesday, August 16, 2022 Rev <RevCode Sheet 1 of 1