DEMOQE128 Freescale, DEMOQE128 Datasheet - Page 47

• Manufacturer Part Number: DEMOQE128
• Manufacturer: Freescale

Specifications of DEMOQE128

• Lead Free Status / RoHS Status: Compliant

8.5.4
8.6
8.6.1
8.7
8.7.1
DEMOQE128 User Manual
Buzzer
IIC Pull-up
J16 - Accelerometer 3-axis Signals Connection Jumper ACC_EN
J19 - Buzzer enable jumper BUZ_EN
J20 - IIC Pullup Enable Jumpers IIC_EN
The DEMOQE128 integrates a Piezo Transducer whose resonant frequency
is 4.0KHz. Jumper J19 connects to PTB5 to control this buzzer.
The DEMOQE128 provides external pull-up resistors for SCL and SDA lines,
enabled by installing the corresponding jumpers on J20. By default both
jumpers are installed.
Figure 8-14: Accelerometer Signal Output ACC_EN (J16)
Figure 8-15: Accelerometer Signal Output ACC_EN (J19)
Figure 8-16: IIC External Pullup Enable IIC_EN (J20)
The accelerometer output signals are jumper settable to PTA7,
PTA6, PTC7, and PTA1. PTA6 and PTC7 share the same Y-axis
signal. By default, the Y-axis signal is connected to PTA6.
Enables Buzzer to be controlled by PTB5. This is the default setting.
Enables IIC external pullup. This is the default setting.
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