Irda Interface (Tec Protocol); Specifications For Physical Layer And Transmission Control Method - Toshiba B-EP Series Interface Specification

3.2 IrDA INTERFACE (TEC Protocol)

In IrDA standard, only IrDA-SIR of the physical layer should be used. For the data link layer, original
simplified protocol should be provided.
3.2.1

SPECIFICATIONS FOR PHYSICAL LAYER AND TRANSMISSION CONTROL METHOD

Transport layer
IrLMP
IrLAP
IrDA-SIR
IrDA V1.2 (Low Power) standard
: parts are required.
(1) Specifications
Item
Physical layer
Transfer rate
Communication distance
Peak wave length of
emitted light
Communicable angle
Ambient illuminance
Emissive power
Min. photo sensibility
*1: Values for the normal mode are dependent on the communication protocol settings.
*2: The communication distance may become shorter than 0.2 m, depending on the host's
performance.
Simplified protocol
Specifications
Normal mode
Conforming to IrDA-SIR V1.2 (Low Power)
standard
9600, 19200, 38400, 57600, 115200 bps
*2
within 0.2 m
850 to 900 nm
within ±15°
1000 lx or less
(fluorescent lamp and incandescent lamp)
(θh, θv ≤ ±15°)
Min 3.6 mW/Sr
2
(θh, θv ≤ ±15°)
Min 9 µW/cm
3-2
IrDA-SIR
B-EP
*1
CHAPTER 3 INTERFACE
B-EP Series