ZEUS Technical Manual | Connectors, LEDs and jumpers |
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Jumpers
There are six user selectable jumpers on the ZEUS. Their use is explained below.
JP1 – User jumpers
Connector:
Pin | Signal name | Pin | Signal name | GPIO |
1 | GND | 2 | USER_LINK1 | CPU_GPIO 13 |
3 | GND | 4 | USER_LINK2 | CPU_GPIO 102 |
5 | GND | 6 | USER_LINK3 | EXP1_GPIO 6 |
7 | GND | 8 | USER_LINK4 | EXP1_GPIO 14 |
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87
21
These are four user configurable jumpers connected to GPIO pins of PXA270 and MAX7313 GPIO Expander 1.
JP1DescriptionGPIO read as ‘0’
GPIO read as ‘1’ (Default)
User jumpers 1 and 2 (GPIO 13 and 91) may be connected to an external momentary push switch and used to wake the ZEUS from sleep.
JP2 – Battery disconnect
Connector:
Pin Signal name
1 Battery Plus Terminal
1 2
2 Battery Backup switch input
Normally supplied with jumper removed.
This jumper is used to disconnect the backup battery to prevent it from draining.
JP2DescriptionBattery connected
Battery disconnected (default)
© 2007 Eurotech Ltd Issue D | 93 |