MCP3909EV-MCU16 Microchip Technology, MCP3909EV-MCU16 Datasheet - Page 16

• Manufacturer Part Number: MCP3909EV-MCU16
• Description: EVALUATION BOARD FOR MCP3909
• Manufacturer: Microchip Technology

Specifications of MCP3909EV-MCU16

• Number Of Adc's: 2
• Number Of Bits: 16
• Sampling Rate (per Second): 15k
• Data Interface: Serial
• Inputs Per Adc: 1 Differential
• Input Range: ±1 V
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: MCP3909
• Silicon Manufacturer: Microchip
• Application Sub Type: ADC
• Kit Application Type: Data Converter
• Silicon Core Number: MCP3909
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP3909 ADC Evaluation Board for 16-Bit MCUs User’s Guide
FIGURE 2-1:
DS51777A-page 12
LCD: “Samples Value”
LCD Control Flowchart.
Initialization
START
Adjust value of: But2Cont
Adjust value of: But1Cont
SW3 pressed?
SW2 pressed?
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
SW2 pressed
SW3 pressed
SW3 pressed
SW2 pressed
SW2 pressed
SW3 pressed
SW3 pressed
SW3 pressed
3rd time
3rd time
4th time
5th time
twice
once
once
twice
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
Indicate on the LCD the signal frequency
Indicate on LCD FFT results: magnitude
Indicate on LCD FFT results: magnitude
Set sampling speed: gear 1
Set sampling speed: gear 2
Set sampling speed: gear 3
Set sampling speed: gear 4
Set sampling speed: gear 5
Copy CH0 samples in signal[] buffer;
Copy CH1 samples in signal[] buffer;
Copy CH0 samples in signal[] buffer;
Compute Autocorrelation function;
and the index of maximum value
and frequency;
and frequency;
Compute FFT;
Compute FFT;
© 2008 Microchip Technology Inc.