31.12.2013 Views

I C Precision Altimeter - Farnell

I C Precision Altimeter - Farnell

I C Precision Altimeter - Farnell

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

1 Block Diagram and Pin Descriptions<br />

Reference<br />

Reference<br />

+<br />

Regulator<br />

Regulator<br />

VVdd<br />

DD<br />

VddIO<br />

V DDIO<br />

CAP<br />

SDA<br />

Pressure<br />

Sensor<br />

Sense<br />

Amp<br />

Temp<br />

MUX<br />

ADC<br />

Digital Signal<br />

Processing and<br />

Control<br />

SCL<br />

INT1<br />

INT2<br />

Clock oscillator<br />

Clock Oscillator<br />

Trim Logic<br />

Trim Logic<br />

Figure 1. Block Diagram<br />

Table 1. Pin Descriptions<br />

Pin Name Function<br />

1 V DD V DD Power Supply Connection (1.95-3.6V)<br />

2 CAP External Capacitor<br />

3 GND Ground<br />

4 V DDIO Digital Interface Power Supply (1.62-3.6V)<br />

5 INT2 Pressure Interrupt 2<br />

6 INT1 Pressure Interrupt 1<br />

7 SDA I 2 C Serial Data<br />

8 SCL I 2 C Serial Clock<br />

MPL3115A2<br />

Sensors<br />

Freescale Semiconductor, Inc. 3

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!