The SOM240_1 connector provides access to two MIO banks (MIO501, MIO502), HPIO bank 65 (HPA), HDIO bank 26 (HDA), and the PS-GTR transceivers (MIO505). It also provides sideband signals for configuration and operation of the board. For additional pin definitions see the K24 SOM XDC file.
| Connector Row/Pin Number | A | B | C | D |
|---|---|---|---|---|
| 1 | VCC_BATT | HPA05_CCP | GND | VCCO_HPA |
| 2 | GND | HPA05_CCN | GND | VCCO_HPA |
| 3 | HPA06P | GND | HPA00_CCP_CLK | GND |
| 4 | HPA06N | HPA04P | HPA00_CCN | HPA02P |
| 5 | GND | HPA04N | GND | HPA02N |
| 6 | HPA_CLK0P_CLK | GND | HPA03P | GND |
| 7 | HPA_CLK0N | HPA07P_CLK | HPA03N | HPA01P |
| 8 | GND | HPA07N | GND | HPA01N |
| 9 | HPA12P_CLK | GND | HPA08P | GND |
| 10 | HPA12N | HPA11P_CLK | HPA08N | HPA09P |
| 11 | GND | HPA11N | GND | HPA09N |
| 12 | HPA13P | GND | HPA10_CCP_CLK | GND |
| 13 | HPA13N | VCCO_HDA | HPA10_CCN | HPA14P |
| 14 | GND | VCCO_HDA | GND | HPA14N |
| 15 | HDA09 | GND | PS_POR_B | GND |
| 16 | HDA10 | HDA03 | PS_SRST_C2M_B | HDA00_CC |
| 17 | HDA11 | HDA04 | GND | HDA01 |
| 18 | GND | HDA05 | HDA06 | HDA02 |
| 19 | VCCOEN_PS_M2C | GND | HDA07 | GND |
| 20 | VCCOEN_PL_M2C | HDA15 | HDA08_CC | HDA12 |
| 21 | GND | HDA16_CC | GND | HDA13 |
| 22 | JTAG_TMS_C2M | HDA17 | HDA18 | HDA14 |
| 23 | JTAG_TDO_M2C | GND | HDA19 | GND |
| 24 | JTAG_TDI_C2M | PS_ERROR_OUT_M2C | HDA20 | PWRGD_FPD_M2C |
| 25 | JTAG_TCK_C2M | PS_ERROR_STATUS_M2C | GND | PWRGD_LPD_M2C |
| 26 | GND | PWROFF_C2M_B | MIO24_I2C_SCK | PWRGD_PL_M2C |
| 27 | MODE0_C2M | GND | MIO25_I2C_SDA | GND |
| 28 | MODE1_C2M | MIO35 | MIO12_FWUEN_C2M_B | MIO26 |
| 29 | MODE2_C2M | MIO36 | GND | MIO27 |
| 30 | MODE3_C2M | MIO37 | MIO29 | MIO28 |
| 31 | Reserved | GND | MIO30 | GND |
| 32 | Reserved | MIO38 | MIO31 | MIO44 |
| 33 | GND | MIO39 | GND | MIO45 |
| 34 | MIO41 | MIO40 | MIO47 | MIO46 |
| 35 | MIO42 | GND | MIO48 | GND |
| 36 | MIO43 | MIO50 | MIO49 | MIO52 |
| 37 | GND | MIO51 | GND | MIO53 |
| 38 | MIO61 | Reserved | MIO55 | MIO54 |
| 39 | MIO62 | GND | MIO56 | GND |
| 40 | MIO63 | MIO58 | MIO57 | MIO64 |
| 41 | GND | MIO59 | GND | MIO65 |
| 42 | MIO73 | MIO60 | MIO67 | MIO66 |
| 43 | MIO74 | GND | MIO68 | GND |
| 44 | MIO75 | MIO70 | MIO69 | MIO76 |
| 45 | GND | MIO71 | Reserved | MIO77 |
| 46 | GND | MIO72 | GND | Reserved |
| 47 | GTR_DP1_M2C_P | GND | GTR_REFCLK0_C2M_P | GND |
| 48 | GTR_DP1_M2C_N | GND | GTR_REFCLK0_C2M_N | GND |
| 49 | GND | GTR_REFCLK1_C2M_P | GND | GTR_DP3_C2M_P |
| 50 | GND | GTR_REFCLK1_C2M_N | GND | GTR_DP3_C2M_N |
| 51 | GTR_REFCLK3_C2M_P | GND | GTR_DP3_M2C_P | GND |
| 52 | GTR_REFCLK3_C2M_N | GND | GTR_DP3_M2C_N | GND |
| 53 | GND | GTR_DP2_C2M_P | GND | GTR_REFCLK2_C2M_P |
| 54 | GND | GTR_DP2_C2M_N | GND | GTR_REFCLK2_C2M_N |
| 55 | GTR_DP0_C2M_P | GND | GTR_DP1_C2M_P | GND |
| 56 | GTR_DP0_C2M_N | GND | GTR_DP1_C2M_N | GND |
| 57 | GND | GTR_DP0_M2C_P | GND | GTR_DP2_M2C_P |
| 58 | GND | GTR_DP0_M2C_N | GND | GTR_DP2_M2C_N |
| 59 | VCC_SOM | GND | VCC_SOM | GND |
| 60 | VCC_SOM | VCC_SOM | VCC_SOM | VCC_SOM |