參數(shù)資料
型號(hào): RPM971-H14E3A
廠商: Rohm Semiconductor
文件頁(yè)數(shù): 4/9頁(yè)
文件大小: 97K
描述: MODULE IRDA 5MBPS 8SMD
標(biāo)準(zhǔn)包裝: 2,500
系列: *
數(shù)據(jù)速率: 4Mbs(FIR)
電源電壓: 2.4 V ~ 3.6 V
無(wú)效電流,標(biāo)準(zhǔn)值@ 25° C: 1mA
通信距離,低功率: 20cm,60cm
方向: 側(cè)視圖
工作溫度: -25°C ~ 85°C
尺寸: 8mm x 2.9mm x 2.2mm
標(biāo)準(zhǔn): IrPHY 1.4
關(guān)機(jī): *
包裝: 帶卷 (TR)
RPM971-H14 
Photo Link Module 
4/8
 
Timing chart
1. Mode Setting (SIR / MIR / FIR)
 
With RPM971-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)
WDOWN
/ Mode
TXD
Mode
(b) SIR / MIR Mode
ts 200ns
=
>
ts 200ns
=
>
tdmax=200祍
SIR / MIR Mode
(9.6k-1.152Mbps)
PWDOWN
/ Mode
TXD
Mode
Fig. 1
 
 
 
2. 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.
 
 
TXD
 more than TLEDmax
TLEDmax
less than TLEDmax
PWDOWN
ED emitting
 
 
 
 
 
 
 
 
 
 
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