I/O Pins Configuration Table
Pin
ꢀ 1ꢀ
Description
SupplyꢀVoltageꢀ
AnalogꢀGroundꢀ
Groundꢀ
Modeꢀ0ꢀ
Modeꢀ1ꢀ
NoꢀConnectionꢀ
Groundꢀ
ReceiverꢀDataꢀOutputꢀ
TransmitterꢀDataꢀInputꢀ
LEDꢀAnodeꢀ
Symbol
V
CC
ꢀ 2ꢀ
ꢀ 3ꢀ
ꢀ 4ꢀ
ꢀ 5ꢀ
ꢀ 6ꢀ
ꢀ 7ꢀ
ꢀ 8ꢀ
ꢀ 9ꢀ
ꢀ 10ꢀ
ꢀ
AGND
GND
MD0
MD1
NC
GND
RXD
TXD
10
9
8
7
6
5
4
3
2
1
BACK VIEW (HSDL-3612-007/-037)
LEDA
10
9
8
7
6
5
4
3
2
1
BOTTOM VIEW (HSDL-3612-008/-038)
Transceiver Control Truth Table
Mode 0 Mode 1
ꢀ 1ꢀ
ꢀ 0ꢀ
ꢀ 0ꢀ
ꢀ 1ꢀ
ꢀ
RX Function
Shutdownꢀ
TX Function
Shutdown
FullꢀDistanceꢀPower
2/3ꢀDistanceꢀPower
1/3ꢀDistanceꢀPower
ꢀ
ꢀ
ꢀ
ꢀ
0ꢀ
0ꢀ
1ꢀ
1ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
SIRꢀ
SIRꢀ
SIRꢀ
ꢀ
ꢀ
ꢀ
Transceiver I/O Truth Table
Transceiver
Mode
Activeꢀ
Activeꢀ
Activeꢀ
Inputs
EI
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀXꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀHigh ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀLowꢀꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀLowꢀꢀ
Outputs
RXD
TXD
LED
Onꢀ
Offꢀ
Offꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
1ꢀ
0ꢀ
0ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀNotꢀValid
ꢀꢀꢀꢀꢀꢀꢀꢀꢀLow
ꢀꢀꢀꢀꢀꢀꢀꢀꢀHigh
[1]
[2]
[3]
Shutdownꢀ
X ꢀ
NotꢀValidꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀNotꢀValid
Xꢀ=ꢀDon’tꢀCareꢀ
EIꢀ=ꢀIn-BandꢀInfraredꢀIntensityꢀatꢀdetector
Notes:
1.ꢀ In-BandꢀElꢀ≤ꢀ115.2ꢀkb/s.
2.ꢀ LogicꢀLowꢀisꢀaꢀpulsedꢀresponse.ꢀTheꢀconditionꢀisꢀmaintainedꢀforꢀdurationꢀdependentꢀonꢀtheꢀpatternꢀandꢀstrengthꢀofꢀtheꢀincidentꢀintensity.
3.ꢀ Toꢀmaintainꢀlowꢀshutdownꢀcurrent,ꢀTXDꢀneedsꢀtoꢀbeꢀdrivenꢀhighꢀorꢀlowꢀandꢀnotꢀleftꢀfloating.
3
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