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7.4.2
J12 - Light Touch Switch Enable Jumper KEY_ENABLE
Enables the corresponding switch. Each jumper may be individually
installed or removed. By default, all jumpers are installed to enable all
the switches.
Figure 7-9: Jumper Settings for Light Touch Switches KEY_ENABLE (J12)
Note:
Switch PTD2 and Switch PTD3 are mapped to QB8 ports PTA6 and PTA7
respectively.
7.4.3
J18 - Reset Switch Enable and Reset LED Display Enable Jumper
RESET_EN
Enables the Reset Switch and the Reset LED Display. Each jumper
may be individually installed or removed. This is the default setting.
Figure 7-10: Reset Switch and Reset LED enable Jumper (J18)
Note:
The J18 labels for RSTLED_EN and RESET_EN are incorrectly switched on
the DEMOQE board silk screen. The correct label is as displayed above.
7.5
3-Axis Accelerometer Jumper Settings
The DEMO9S08QB8 integrates a 3-axis accelerometer. Its enable or disable,
sensitivity levels, and output signal connections can all be set with jumpers.
Jumpers J13, J14, J15 and J16 are associated with the accelerometer.
TABLE 1. Accelerometer
G-Select Pin Descriptions
G-SEL2
0
0
DEMO9S08QB8 User Manual
G-SEL1
0
1
g-Range
1.5g
2g
Sensitivity
800 mV/g
600 mV/g
29
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