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Following table shows how to configure the voltage-levels of base-board supply-voltages VCCIOA, VCCIOB and VCCIOC by jumper, 0-Ohm-resistor or by feeding the supply voltage through connector J6:
| supply-voltage by jumper | supply-voltage by 0-Ohm-resistor | supply-voltage by connector J6 | ||||
|---|---|---|---|---|---|---|
| voltage level | 1.8V | 3.3V | 1.8V | 3.3V | variable | |
| VCCIOA | J10: 1-2, 3 | J10: 1, 2-3 | - | R20 | J6 pin B32 | |
| VCCIOB | J11: 1-2, 3 | J11: 1, 2-3 | R29 | R21 | - | |
| VCCIOC | J12: 1-2, 3 | J12: 1, 2-3 | R30 | R22 | J6 pin B1 | |
Jumper-Notification: 'Jx: 1-2, 3' means pins 1 and 2 are connected, 3 is open. 'Jx: 1, 2-3' means pins 2 and 3 are connected, 1 is open.
Only one supply-source is allowed to configure the base-board supply-voltages, either by jumper, by 0-Ohm-resistor or by connector J6. If a supply-voltages voltage is configured by 0-Ohm-resistor or connector J6, then the corresponding configuration-jumper has to be removed. There aren't 0-Ohm-resistors and supply-voltages by connector J6 allowed if the corresponding base-board supply-voltage is configured by jumper. Vice versa jumpers and 0-Ohm-resistors have to be removed if supplying corresponding base-board supply-voltage by connector J6.
Note: If supplying base-board supply-voltages by connector J6, the module's internal 3.3V voltage-level on pins 9 and 11 of B2B-connector JB2 has to be reached stable state.
| Note |
|---|
| It is recommended to set and measure the PL IO-bank supply-voltages before mounting of TE 4x5 module to avoid failures and damages to the functionality of the mounted SoM. |
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