RPM972-H14 
Photo Link Module 
4/9
 
Timing chart
1. Mode Setting (SIR / MIR / FIR)
 
With RPM972-H14 there is a need for mode switch according to communication rate. For the mode setting, there
are PWDOWN/Mode and TXD. Please see below diagram for the set up of mode.
 
(a) FIR Mode
ts 200ns
=
>
ts 200ns
=
>
tdmax=200祍
FIR Mode
(4Mbps)
PWDOWN
/ Mode
TXD
Mode
(b) SIR / MIR Mode
tdmax=200祍
SIR / MIR Mode
(9.6k-1.152Mbps)
PWDOWN
/ Mode
TXD
Mode
Fig. 1
 
 
 
2. Remote control transmitting
  When remote control signal is input to the TXD terminal, remote control is transmitted.
 
 
3. Timing chart (use example)
  (a) Emitting 
  When a pulse is inputted to TXD terminal, LED is emitting, and a signal is transmitted.
  But, when H condition follows TXD terminal, LED turns off the lights in the range of TLEDmax.
 
 
TLEDmax
 more than TLEDmax
less than TLEDmax
(IrDA/RC emitting)
(IrDA/RC emitting)
(IrDA/RC emitting)
LED emitting
TXD
PWDOWN
 
 
 
 
 
 
 
相关PDF资料
RPM973-H11E2A MODULE IRDA 4MBPS FIR COMPATBL S
RPM973-H16E4A MODULE IRDA 4MBPS FIR COMPATBL S
S0106H0012XHAGNX420 RESOLVER 1" HOUSED W/TRANSFORMER
S0106H0012XHAGNY420 RESOLVER 1" HOUSED W/TRANSFORMER
SA.PANEL.20 ANT 17DBI BASE STATION W/N
SA.PANEL.22 ANT 18DBI BASE STATION W/N
SDWA.01 RF ANTENNA
SGP.1575.25.4.D.02 RF ANTENNA
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