MCP3901EV-MCU16 Microchip Technology, MCP3901EV-MCU16 Datasheet - Page 19

• Manufacturer Part Number: MCP3901EV-MCU16
• Description: BOARD EVAL FOR 2CH ADC MCP3901
• Manufacturer: Microchip Technology

Specifications of MCP3901EV-MCU16

• Number Of Adc's: 2
• Number Of Bits: 24
• Data Interface: SPI™
• Inputs Per Adc: 1 Differential
• Input Range: ±1 V
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: MCP3901
• Silicon Manufacturer: Microchip
• Application Sub Type: ADC
• Kit Application Type: Data Converter
• Silicon Core Number: MCP3901, PIC24F, PIC24H, DsPIC33, PIC18F86J55
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 2-3:
 2010 Microchip Technology Inc.
Disable UART TX interrupt;
Enable UART RX interrupt
Contrd=515+REAL_N+2;
Increment contrd
contrd2=0;
YES
NO
Serial Transmission Flowchart.
Get CH1 samples from voltage[contrd];
Contrd==515+
REAL_N+1?
Get CH0 sample from current[contrd];
Change the value in 8 digit string;
Increment contrd
Change Long into 8 digit string;
Reset contrd2;
write character “,” to val[8];
Write char CR to val[17]
NO
Increment contrd2
NO
UART TX Interrupt
Send val[contrd2];
NO
contrd<=512?
contrd2<=17?
YES
YES
Transform the FFT result of
Transform the FFT result of
(IN CURRENT FIRMWARE
the voltage channel from
Exit UART TX Interrupt
the current channel from
FFT IS NOT COMPUTED)
Contrd<=515+REAL_N?
int to
int to
Increment contrd2
Sent char to PC;
Contrd2<=11?
5 chars;
5 chars;
YES
YES
NO
NO
Sent to PC char “;”;
Increment contrd
Increment contrd
Send char “D”;
contrd=513?
contrd=515?
YES
YES
Increment contrd
Reset contrd2;
Contrd2=36?
NO
NO
Transform MODr from
Transform GAINr from
Transform CONFIGHr
Send one char to PC
Transform CONFIGLr
from byte in 3 chars;
Transform STATUSr
from byte in 3 chars;
from byte in 3 chars;
form byte in 3 chars
Transform PHASEr
from int in 5 chars;
form int in 5 chars
Increment contrd2
Transform Timer8
Transform Timer9
byte in 3 chars;
byte in 3 chars;
Contrd2<=35?
contrd=514?
YES
YES
Firmware
NO
DS51845B-page 19