MITO 8M Mini SOM/MITO 8M Mini Evaluation Kit/Interfaces and Connectors/PCIe
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PCIe[edit | edit source]
Description[edit | edit source]
J34 is a 20x2x1.00 mm One Piece Interface dedicated to the MIPI camera input and the PCI Express expansion bus interface.
Signals[edit | edit source]
The following table describes the interface signals:
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| 1 | - | 5V_IN | ||
| 2 | J10.64 | PCIE_WAKE_B | ||
| 3 | J10.97 | AUX_PWR_EN | connected to SD2_WP (GPIO2_IO20) | |
| 4 | J10.76 | PCIE_RST_B | connected to I2C4_SCL (GPIO5_IO20) | |
| 6 | J10.74 | PCIE_DIS_B | connected to I2C4_SDA (GPIO5_IO21) | |
| 7 | J10.84 | PCIE_CLKN | ||
| 9 | J10.86 | PCIE_CLKP | ||
| 10 | J10.92 | PCIE_RXN_R | ||
| 12 | J10.94 | PCIE_RXP_R | ||
| 16 | J10.96 | PCIE_TXN_C | ||
| 18 | J10.98 | PCIE_TXP_C | ||
| 20 | - | 3V3 | ||
| 25 | J10.102 | CSI_CLK0M_1 | ||
| 26 | J10.48 | CSI_SDA | I2C3_SDA | |
| 28 | J10.38 | CSI_SCL | I2C3_SCL | |
| 5, 8, 11, 14, 17, 23, 24, 29, 30, 35, 36 |
- | DGND | Ground |
Device mapping[edit | edit source]
The PCI express peripheral is mapped to the corresponding device in Linux depending on the associated kernel device driver and on the device tree configuration.
