MCP2140DM-TMPSNS Microchip Technology, MCP2140DM-TMPSNS Datasheet - Page 50

• Manufacturer Part Number: MCP2140DM-TMPSNS
• Description: BOARD DEMO FOR MCP2140
• Manufacturer: Microchip Technology

Specifications of MCP2140DM-TMPSNS

• Main Purpose: Interface, IrDA
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP2140
• Primary Attributes: IrDA Controller with PIC18F MCU and Temp Sensor Temp
• Secondary Attributes: Set up as a Data Logger
• Processor To Be Evaluated: MCP2140
• Interface Type: ICSP
• Silicon Manufacturer: Microchip
• Silicon Core Number: MCP2140
• Kit Application Type: Sensing - Temperature
• Application Sub Type: Temperature Sensor
• Kit Contents: Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: MCP2140DM-TMPSNSR; MCP2140DM-TMPSNSR

MCP2140 IrDA
DS51487A-page 46
F.1.1.2
1. Ensure 3 AAA batteries are properly inserted into the battery holder.
2. Connect JP1 and JP2 (closed position). The power LED (D5) will turn on. After a
3. Depress the RESET and S2 buttons, then release the RESET button (keep the
4. Release the S2 button.
5. Turn on the Palm (or equivalent) PDA.
6. With both devices on a flat surface, place the Palm PDA about 25 cm (10”) away
7. Open the MCP215xDemo program on the Palm PDA.
8. Tap the Connect button.
9. Tap the 123 button.
10. Tap any number (0-9). This is the “command” that will be received by the
11. Tap on the DONE button. The number selected in step 9 will be displayed on the
12. To transmit this data byte, tap on the Send button. Notice that the value in the
13. To see the received data, tap on the Show button. This shows the contents of the
FIGURE F-3:
14. To close the trace buffer, tap the OK button.
15. To clear the Trace Buffer, tap on the Clear button
16. To disconnect the IR link, tap the Disconnect button. The DSR and CTS LEDs
®
Note:
Standard Wireless Temp Sensor Demo Board
few seconds, the PHACT LED (D4) will also turn on, indicating that the MCP2140
is in the Non-Discovery Mode (NDM) state.
S2 button depressed).
from the MCP2140 IrDA Standard Wireless Temperature Sensor Demo Board,
pointing the IR port of the Palm PDA (dark red window at the top of the PDA)
toward the two clear LEDs (D1, D6) on the MCP2140 IrDA Standard Wireless
Temperature Sensor Demo Board.
MCP2140 IrDA Standard Wireless Temperature Sensor Demo Board, instructing
the program to send a data string back to the Palm PDA. At this time, the DSR
(D2), CTS (D3) and PHACT (D4) LEDs are turned off.
line “TX Data (ASCII) = “x” (where x is the number). Notice that the line that
shows “Trace:” indicates 0 bytes.
trace buffer increases by 11 bytes approximately once every second.
The DSR LED will turn on and the CTS LED will strobe until all the data has been
transmitted, and the PHACT LED will turn off.
trace buffer. The trace buffer window should display a string of data as shown in
Figure F-3.
will immediately turn off and the PHACT LED will turn on in about 10 seconds.
OPERATING THE “TRANSMIT TEMPERATURE” PROGRAM.
Temperature value transmitted by the MCP2140 will be dependent on
battery voltage (see Section 2.3.2.2 ““Transmit Temperature” Program
Description”).
MCP215XDEMO TRACE BUFFER WINDOW AFTER RECEIVING
250 BYTE DATA STRING
Temp = 24
Temp = 24
Temp = 25
Temp = 24
 2004 Microchip Technology Inc.