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PDA Index 5/27/03 8:57 AM Page 227
link management protocol/
modulation of, 64, 64
information access service Index maximum ratings for, 78
(IrLMP/IAS), 32 normal connect mode (NCM) in,
MCP2150 IrDA protocol 72, 76
controller and, 66, 69–70 normal disconnect mode (NDM)
LinkUp Systems, 7 in, 72–74
logical link control (LLC), 33, null modem connection in, 76
34–35 operation of, 76–77
LSI Logic, 7 optical transceiver for, 77–78, 77
OSI network layer reference
main board (See also circuit model and, 65–71, 66
board), 44, 46 physical dimensions of, 79
parts list for, 115 physical signaling layer (PHY)
Marvell, 7 and, 66, 67–68
MCP2150 IrDA protocol controller, PIC16F876 microcontroller
15, 17, 30, 30, 58–79 connection to, 49–50, 50
applications for, in PDA Robot, pinout diagram for, 61–62, 62
50–62, 51 point to point protocol (PPP)
baud rate setting in, 46–47, 47, and, 58
48, 58, 63, 67 power mode setting for, 65
bit clock in, 63 power up for, 61–62
carrier detect (CD) signal in, 76–77 protocol support in, 66–71, 67,
clock source for, 62 68
connection sequence in, 72, 73 receiving using, 64
crystal oscillator/ceramic returning to device operation
resonators in, 62–65, 63 from low-power mode in, 65
data terminal equipment (DTE) Tiny TP and, 66, 70
and, 58 transmission using, 64
demodulation of, 65, 65 UART interface for, 63
device reset for, 62 Vishay TFDS4500 transceiver
DIP switch setting, 46–47, 47, connection to, 47–48, 48, 49,
48, 60–61 50
discovery mode in, 72, 74–75 MCU compiler for PIC16F876
encoding/decoding in, 59 microcontroller, 145–146
half-duplex action of, 68–69 media access control (MAC), 33, 34
handshake phase and, 71–78 medium IrDA (MIR) links, 36, 37,
IrCOMM and, 66, 70–71, 71 39–40
link access protocol (IrLAP) and, Metrowerks, 156
66, 68–69 MG Chemical process, 45
link management microcontrollers (See PIC16F876
protocol/information access microcontroller)
service (IrLMP/IAS) and, 66, Micronas, 7
69–70 microprocessor, 5
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