m122_keyboard
SvenHaedrich
IBM M122 USB / BLE keyboard controller
Components (39)
| Reference | Value | Description |
|---|---|---|
| Q1 | DMG2305 | |
| U1 | nRF52840 | |
| U2 | AP2112K-3.3 | |
| U3 | MCP73831-2-OT | |
| AE1 | Antenna | |
| C1-C3 | 4u7F | |
| C4 | 100nF | |
| C5,C16 | DNP | |
| C6 | 0.8pF | |
| C7 | 100pF | |
| C8 | 0.5pF | |
| C9 | 47nF | |
| C10-C13 | 12pF | |
| C14 | 1.2pF | |
| C15 | 1uF | |
| C17 | 10n | |
| C18-C20 | 10uF | |
| D1 | PRTR5V0U2X | |
| D2 | MBR054 | |
| D3 | LED green | |
| FB1 | 300R @ 100 MHz | |
| H1-H4 | MountingHole | |
| J1 | USB_C | |
| J2 | USB_Ext | |
| J3 | Conn_02x03_Odd_Even | |
| J4 | Conn_01x08_Socket | |
| J5 | Conn_01x02_Pin | |
| J6 | Conn_01x20_Socket | |
| L1 | 10uH | |
| L2,L4 | 4n7H | |
| L3 | 15nH | |
| R1,R2 | 5k1 | |
| R3-R6 | 100k | |
| R7 | 4k7 | |
| R8 | 120R | |
| R9-R16 | 1k | |
| SW1 | SW_Push | |
| Y1 | 32k768Hz | |
| Y2 | 32MHz |