DESCRIPTION
HM03 is a low power, low voltage device with automatic power down switching. I2C Serial Interface is used for communications with a microprocessor. Sensor packaging options are DIP or SMD (with metal cap) FEATURES
. 15 Bit ADC resolution . Supply voltage 2.2v-3.6v . -20°C to + 60°C operating range . No external components required APPLICATIONS
. Pressure measurement and control systems . Mobile altimeter/barometer systems . Weather forecast products . Adventure or multi-mode watches . GPS receivers Block Diagram Page 1 of 7 Hope RF 2008-5-5 HP03 Series of calibrated sensor module HP03SA Version: 1.0 Pin Number 1 2 3 4 5 6 Type G P I I I/O I Function power ground power VCC master clock(32k) input ADC reset input (keep low when system is in idle state) . I2C data input and output I2C clock input PIN DESCRIPTION
Pin Name VSS VDD MCLK XCLR SDA SCL * XCLR is to reset the AD converter (active low). XCLR should be set to high only during AD conversion phase(reading D1,D2), at all...