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4x UART Expansion Module for CoreWind System Bus Port US$35.00

M100BS1
4x UART Expansion Module for CoreWind System Bus Port

  • Converts System Bus to 4x TTL serial ports
  • Supports 5-wire serial ports
  • Size: 61 34 mm

This module is designed to plug into the System Bus connectors (J34 & J35) of the SBC-SAM9G45 development board, giving you four additional serial ports onto which you can connect TTL-RS232 modules or whatever other 3.3V serial device you care to wire up to it.

Input Interface

Two 210-pin female headers, 2.54mm pitch.

J1
Pin Signal Description Pin Signal Description
1GNDGround 2A0Address Bus
3A1Address Bus 4AA2Address Bus
5A3Address 6N/C
7A5Address Bus 8N/C
9INTAInterrupt A 10GNDGround
11INTBInterrupt B 12INTCInterrupt C
13INTDInterrupt D 14NRSTReset
15NRDProcessor Read Command 16N/C
17NWEProcessor Write Command 18NCS_EXTChip Select
19GNDGround 20N/C

J2
Pin Signal Description Pin Signal Description
1VDD33Power 3.3V 2VDD33Power 3.3V
3D0Data Bus 4D1Data Bus
5D2Data Bus 6D3Data Bus
7D4Data Bus 8D5Data Bus
9D6Data Bus 10D7Data Bus
11D8Data Bus 12D9Data Bus
13D10Data Bus 14D11Data Bus
15D12Data Bus 16D13Data Bus
17D14Data Bus 18D15Data Bus
19GNDGround 20GNDGround

Output Interface

Four 25-pin headers, 2.54mm (0.1") pitch.

Pin J3 J4 J5 J6 Description
1N/CN/CN/CN/C
2RXD6RXD5RXD3RXD4UART serial data in
3TXD6TXD5TXD3TXD4UART serial data out
4N/CN/CN/CN/C
5GNDGNDGNDGNDGround
6N/CN/CN/CN/C
7RTS6RTS5RTS3RTS4UART request to send
8CTS6CTS5CTS3CTS4UART clear to send
9N/CN/CN/CN/C
10VDD33VDD33VDD33VDD33VDD 3.3V


This product was added to our catalog on Thursday 16 February, 2012.

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