MCP2140DM-TMPSNS Microchip Technology, MCP2140DM-TMPSNS Datasheet - Page 16

• 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 12
2.4.2
Section 2.4.2.1 “Operating the “Transmit 250 Byte Data String” program”
discusses how to operate the “Transmit 250 Byte Data String” program, while Section
2.4.2.2 “Operating the “Transmit Temperature” Program” discusses how to
operate the “Transmit Temperature” program.
2.4.2.1
1. Ensure 3 AAA batteries are properly inserted into the battery holder.
2. Connect JP1 (closed position). The power LED (D5) will turn on. After a few
3. Depress and release the RESET button.
4. Turn on the Palm (or equivalent) PDA.
5. With both devices on a flat surface, place the Palm PDA about 25 cm (10”) away
6. Open the Online program on the Palm PDA.
7. Tap the ON button.
8. Tap the 123 button.
9. Tap any number (0-9). This is the command that will be received by the
10. Send the command by tapping the DONE button. Once the DONE button has
11. The Palm PDA window should receive a string of data as shown in Figure 2-4.
FIGURE 2-4:
12. Repeating steps 8 through 10 will cause the Palm PDA to transmit another data
13. In the Palm window, tap the ON button (it becomes unshaded - normal display).
®
Standard Wireless Temp Sensor Demo Board
seconds, the PHACT LED (D4) will also turn on, indicating that the MCP2140’s
protocol handler is in the Non-Discovery Mode (NDM) state or the MCP2140 is
in the Low-power mode.
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.
been tapped, the DSR and PHACT LEDs will turn on and the CTS LED will strobe
until all the data has been transmitted.
byte and receive another data string.
The DSR and CTS LEDs will immediately turn off and the PHACT LED will turn
on in about 10 seconds.
Using a Palm PDA or Equivalent as the Primary Device
OPERATING THE “TRANSMIT 250 BYTE DATA STRING” PROGRAM
ONLINE WINDOW AFTER RECEIVING 250 BYTE DATA
STRING
32345678
4bcdefgh
52345678
6BEDEFGH
72345678
8bcdefgh
92345678
ABCDEFGH
B2345678
Cbcdefgh
D2345678
EBCDEFGH
F2345678
1bcdefgh
22345678
abc 123 Intl
On Log
< ^ v >
Ctl Esc
Macros
i
 2004 Microchip Technology Inc.