RIALTO SBC/General Information/Expansion board RTIN
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| History | |||
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| Issue Date | Notes | ||
| 2024/01/15 | First documentation release | ||
Contents
RTIN[edit | edit source]
RTIN is an expansion board that can be plugged directly on RIALTO mezzanine connectors. It adds some peripherals for extending the IoT capabilities of RIALTO SBC.
Block Diagram[edit | edit source]
The following picture shows RTIN's block diagram:
Connection layout[edit | edit source]
The following picture shows RTIN's connection layout:
Connectors pinout[edit | edit source]
J3 - UART2[edit | edit source]
J3 is a Phoenix 282837-3 3x50.8mm connector.
The following table reports the connector's pinout:
| Pin# | Pin function | Pin Notes |
|---|---|---|
| 1 | RS485_A | MAX13487 pin 6 |
| 2 | RS485_B | MAX13487 pin 6 |
| 3 | GND | connected to DGND |
J4 - UART5[edit | edit source]
J4 is a Phoenix 282837-3 3x50.8mm connector.
The following table reports the connector's pinout:
| Pin# | Pin function | Pin Notes |
|---|---|---|
| 1 | RS485_A | MAX13487 pin 6 |
| 2 | RS485_B | MAX13487 pin 6 |
| 3 | GND | connected to DGND |
JP1 - Relays output[edit | edit source]
J4 is a Phoenix 1757491 MSTBA 2,5/ 4-G 4x5mm connector.
The following table reports the connector's pinout:
| Pin# | Pin function | RIALTO GPIO | Pin Notes |
|---|---|---|---|
| 1 | RL1.1 | J61.5 (GPIO1_IO01) | N.O. |
| 2 | RL1.2 | N.O. | |
| 3 | RL2.1 | J61.6 (GPIO1_IO02) | N.O. |
| 4 | RL1.2 | N.O. |
J5 - Digital input[edit | edit source]
J5 is a Phoenix 1803280 MC 1,5/ 3-G-3,81 3x3.81mm connector.
The following table reports the connector's pinout:
| Pin# | Pin function | RIALTO GPIO | Pin Notes |
|---|---|---|---|
| 1 | DI1 | J60.8 (MEZZANINE_GP1) | 1K ohm pull-down |
| 2 | DI2 | J60.9 (MEZZANINE_GP2) | 1K ohm pull-down |
| 3 | VIN | connected to VIN va MF-SMDF050 1.2A resettable fuse |
