IrDA-Module Mini Instruction

device

value

description

R1

14 Ohm / 0,25 W

R2

300 Ohm / 0,125 W

optional with D1

R3

47 Ohm / 0,125 W

C1

100n, ceramic

C2

4µ7, Tantal

D1

LED

Transmit control, optional

TFDS4500 (115kbit/s)

-

alternative TFDS6500E (4Mbit/s)
Attention: TFDS6500E not tested!

JP1

-

Mainboard connection:
Pin Name Description
1 + +5V
2 nc not connected
3 R RxD (to M/B)
4 - GND
5 T TxD (from M/B)

JP2

-

With TFDS4500:
receive sensitivity:
1-2: high
2-3: low

With TFDS6500E:
IrDA mode:
1-2: Fast IrDA (max. 4Mbit/s)
2-3: IrDA (max. 115kBit/s)

JP3

-

Transceiver Type:
open: TFDS4500
close.: TFDS6500E (not tested!)