On-Module Trace Lengths¶
This page provides information about routing guidelines / rules used on the MitySOM-AM62 that may be beneficial to carrier board designers.
Trace Groups Matching¶
The following trace groups are routed on the module from the AM62x processor to the edge connector fingers.
| MMC1 Clock / Databus | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
|---|---|---|---|---|
| MMC1_CLK | 50 | N/A | 5 | 828 |
| MMC1_CMD | 50 | N/A | 5 | 828 |
| MMC1_DAT0 | 50 | N/A | 5 | 828 |
| MMC1_DAT1 | 50 | N/A | 5 | 828 |
| MMC1_DAT2 | 50 | N/A | 5 | 828 |
| MMC1_DAT3 | 50 | N/A | 5 | 828 |
| MMC2 Clock / Databus | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| MMC2_CLK | 50 | N/A | 5 | 605 |
| MMC2_CMD | 50 | N/A | 5 | 605 |
| MMC2_DAT0 | 50 | N/A | 5 | 605 |
| MMC2_DAT1 | 50 | N/A | 5 | 605 |
| MMM2_DAT2 | 50 | N/A | 5 | 605 |
| MMC2_DAT3 | 50 | N/A | 5 | 605 |
| RGMII1 TXD | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| RGMII1_TXC | 50 | N/A | 5 | 980 |
| RGMII1_TX_CTL | 50 | N/A | 5 | 980 |
| RGMII1_TD0 | 50 | N/A | 5 | 980 |
| RGMII1_TD1 | 50 | N/A | 5 | 980 |
| RGMII1_TD2 | 50 | N/A | 5 | 980 |
| RGMII1_TD3 | 50 | N/A | 5 | 980 |
| RGMII1 RXD | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| RGMII1_RXC | 50 | N/A | 5 | 972 |
| RGMII1_RX_CTL | 50 | N/A | 5 | 972 |
| RGMII1_RD0 | 50 | N/A | 5 | 972 |
| RGMII1_RD1 | 50 | N/A | 5 | 972 |
| RGMII1_RD2 | 50 | N/A | 5 | 972 |
| RGMII1_RD3 | 50 | N/A | 5 | 972 |
| RGMII2 TXD | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| RGMII2_TXC | 50 | N/A | +/- TBS | 980 |
| RGMII2_TX_CTL | 50 | N/A | +/- TBS | 980 |
| RGMII2_TD0 | 50 | N/A | +/- TBS | 980 |
| RGMII2_TD1 | 50 | N/A | +/- TBS | 980 |
| RGMII2_TD2 | 50 | N/A | +/- TBS | 980 |
| RGMII2_TD3 | 50 | N/A | +/- TBS | 980 |
| RGMII2 RXD | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| RGMII2_RXC | 50 | N/A | 5 | 788 |
| RGMII2_RX_CTL | 50 | N/A | 5 | 788 |
| RGMII2_RD0 | 50 | N/A | 5 | 788 |
| RGMII2_RD1 | 50 | N/A | 5 | 788 |
| RGMII2_RD2 | 50 | N/A | 5 | 788 |
| RGMII2_RD3 | 50 | N/A | 5 | 788 |
| CSI | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| CSI_RX0_P/N | N/A | 100 | 5 | 1138 |
| CSI_RX1_P/N | N/A | 100 | 5 | 1138 |
| CSI_RX2_P/N | N/A | 100 | 5 | 1138 |
| CSI_RX3_P/N | N/A | 100 | 5S | 1138 |
| CSI_RXCLK_P/N | N/A | 100 | 5 | 1138 |
| OLDI Group 1 | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| OLDI_A0_P/N | N/A | 100 | 5 | 1520 |
| OLDI_A1_P/N | N/A | 100 | 5 | 1520 |
| OLDI_A2_P/N | N/A | 100 | 5 | 1520 |
| OLDI_A3_P/N | N/A | 100 | 5 | 1520 |
| OLDI_CLK0_P/N | N/A | 100 | 5 | 1520 |
| OLDI Group 2 | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| OLDI_A4_P/N | N/A | 100 | 5 | 1440 |
| OLDI_A5_P/N | N/A | 100 | 5 | 1440 |
| OLDI_A6_P/N | N/A | 100 | 5 | 1440 |
| OLDI_A7_P/N | N/A | 100 | 5 | 1440 |
| OLDI_CLK1_P/N | N/A | 100 | 5 | 1440 |
| VOUT | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| VOUT0_D0 | 50 | N/A | 5 | 803 |
| VOUT0_D1 | 50 | N/A | 5 | 803 |
| VOUT0_D2 | 50 | N/A | 5 | 803 |
| VOUT0_D3 | 50 | N/A | 5 | 803 |
| VOUT0_D4 | 50 | N/A | 5 | 803 |
| VOUT0_D5 | 50 | N/A | 5 | 803 |
| VOUT0_D6 | 50 | N/A | 5 | 803 |
| VOUT0_D7 | 50 | N/A | 5 | 803 |
| VOUT0_D8 | 50 | N/A | 5 | 803 |
| VOUT0_D9 | 50 | N/A | 5 | 803 |
| VOUT0_D10 | 50 | N/A | 5 | 803 |
| VOUT0_D11 | 50 | N/A | 5 | 803 |
| VOUT0_D12 | 50 | N/A | 5 | 803 |
| VOUT0_D13 | 50 | N/A | 5 | 803 |
| VOUT0_D14 | 50 | N/A | 5 | 803 |
| VOUT0_D15 | 50 | N/A | 5 | 803 |
| VOUT0_DE | 50 | N/A | 5 | 803 |
| VOUT0_HSYNC | 50 | N/A | 5 | 803 |
| VOUT0_VSYNC | 50 | N/A | 5 | 803 |
| VOUT0_PCLK | 50 | N/A | 5 | 803 |
| GPMC (pixmux'd with VOUT) | ||||
| Net | SE Impedance (ohms) | Diff Impedance (ohms) | Trace Matching Tolerance (mils) | Avg Length (mils) |
| GPMC_AD0 | 50 | N/A | 5 | 803 |
| GPMC_AD1 | 50 | N/A | 5 | 803 |
| GPMC_AD2 | 50 | N/A | 5 | 803 |
| GPMC_AD3 | 50 | N/A | 5 | 803 |
| GPMC_AD4 | 50 | N/A | 5 | 803 |
| GPMC_AD5 | 50 | N/A | 5 | 803 |
| GPMC_AD6 | 50 | N/A | 5 | 803 |
| GPMC_AD7 | 50 | N/A | 5 | 803 |
| GPMC_AD8 | 50 | N/A | 5 | 803 |
| GPMC_AD9 | 50 | N/A | 5 | 803 |
| GPMC_AD10 | 50 | N/A | 5 | 803 |
| GPMC_AD11 | 50 | N/A | 5 | 803 |
| GPMC_AD12 | 50 | N/A | 5 | 803 |
| GPMC_AD13 | 50 | N/A | 5 | 803 |
| GPMC_AD14 | 50 | N/A | 5 | 803 |
| GPMC_AD15 | 50 | N/A | 5 | 803 |
| GPMC_ADVn_ALE | 50 | N/A | 5 | 803 |
| GPMC_BE0n_CLE | 50 | N/A | 5 | 803 |
| GPMC_CLK | 50 | N/A | 5 | 803 |
| GPMC_CS0n | 50 | N/A | 5 | 803 |
| GPMC_CS0n | 50 | N/A | 5 | 803 |
| GPMC_CS1n | 50 | N/A | 5 | 803 |
| GPMC_CS2n | 50 | N/A | 5 | 803 |
| GPMC_CS3n | 50 | N/A | 5 | 803 |
| GPMC_DIR | 50 | N/A | 5 | 803 |
| GPMC_OEn_REn | 50 | N/A | 5 | 803 |
| GPMC_WAIT0 | 50 | N/A | 5 | 803 |
| GPMC_WAIT1 | 50 | N/A | 5 | 803 |
| GPMC_WEn | 50 | N/A | 5 | 803 |
| GPMC_WPn | 50 | N/A | 5 | 803 |
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