OPTICON
Software Guide
MDL-1000/2000
57
7.
TIMING CHARACTERISTICS
The following chat shows timing characteristics
Parameter
Symbol
Fig.
Min Max
Unit
Power-ON Reset Time
tRst
1
2.5
ms
Power-ON Initialize Time (Note 1)
tInit
1
250
ms
Host RTS low to Module RTS low
tRl
2
20
ms
Command Execution time
tEx
2
30
ms
Host Transmit delay
tHd
2
0
ms
Host Transmit Hold time
tHh
2
0
ms
Module Response Delay
tTx
2
45
µs
Trigger Hold Time (Pulsed)
tAw
3
4
ms
Trigger Release Time (Level
)
tHw
3
20
ms
*Note 1: While in Power-on Initialize Time, the command or trigger signals shall be ignored.
Fig.1
Power-on Sequence
2.8V
Vcc
Power Down
In Case with Continuous Power Mode
tRst tInit
Fig.2
Command Sequence
Host RTS
Module RTS
tRl tEx
Host TXD
tHd tHh
tTx
Module TXD
Fig.3
Trigger Signal
Trigger
tAw
tHw