Data Sheet

Thundercomm TurboX C40x SOM Datasheet
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2.3. Interfaces detail description
2.3.1. Power supply interface
Below table describes all interfaces of SOM Power Supply. For the detail parameter request, please refer the
chapter on Electrical specifications.
Table 2-3. Power supply definition
Pin Name PIN Location Type Description
VPH_PWR 74,75,76,80,81,82,83,87,88,89 PI Power supply input for SOM all operations.
VREG_L6_1P8 90 PO
Low voltage switch supply output 1.8V for IO and pull up
voltage
VREG_L11_SDC2 C10 PO Power output for SD card pull up;
VREG_L7_1P8 D10 PO 1.8V LDO power output, Max 100mA
VREG_L13_3P3 C11 PO 3.3V LDO power output, Max 100mA
GND
3, 6, 9,12, 15, 18, 21, 26, 31, 36, 42, 49,
51, 52, 54, 55, 57, 58, 60, 61, 62, 63,
68, 71, 72, 73, 77, 78, 79, 84, 85, 86,
100, 111, 116, A3, B3, A13, B13, A17,
B17, B19, B21, A22, A23, B23, A24,
A29, D7, C9, D9, D11, C12, C17, C22,
D22, C25, D25, C28, D29, E1, E10, E12,
E14, E21, E22, E25, E29, E30, E31, E32,
E39, E41, E42, G1, G2, G3
GND
2.3.2. RGMII interfaces
The SOM supports RGMII interfaces can connect Ethernet transceiver.
Table 2-4. RGMII interface definition
Pin Name PIN Location Voltage Type Description
GPIO_61 C13 1.8V DI Ethernet transceiver interrupt input
GPIO_63 C14 1.8V DO RGMII transmit clock output
GPIO_64 D14 1.8V DO RGMII transmit data 3 output
GPIO_65 C15 1.8V DO RGMII transmit data 2 output
GPIO_66 D15 1.8V DO RGMII transmit data 1 output
GPIO_67 C16 1.8V DO RGMII transmit data 0 output
GPIO_68 D16 1.8V DO RGMII transmit enable output
GPIO_69 D17 1.8V DI RGMII receive clock input
GPIO_70 C18 1.8V DI RGMII receive data 3 input
GPIO_71 D18 1.8V DI RGMII receive data 2 input
GPIO_72 C19 1.8V DI RGMII receive data 1 input
GPIO_73 D19 1.8V DI RGMII receive data 0 input
GPIO_74 C20 1.8V DI RGMII receive data valid, RGMII input
GPIO_75 D20 1.8V IO Management data
GPIO_76 C21 1.8V DO Management data clock reference
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2022-07-21 2:34:47 AM CST