Opticon MDI-4000 Series, Руководство по последовательному интерфейсу, Страница: 55 / 139

MDI-4000 Series Serial Interface Manual
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Figure 24: USB Low Power Mode Communication Sequence
5.4 How to Recover from Low Power Mode
To recover from low power mode, you need to consider conditions such as the signal to use and
timing. For more information, see
“Low Power” on page 41
.
5.4.1 Recover from Low Power Mode by Signal (UART)
You can use a signal (TRIGn, CTS, and AIM/WAKEn) to recover from low power mode.
If you need to send additional commands, they will be accepted when the RTS or
POWERDOWN signal becomes low.
Successful reading
USB
Remote wakeup
Resume (SOF, Token, etc.)
Data
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Selective suspend
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USB bus shifted to SUSPEND state
Recovery signal or command
Scan Engine
USB Host
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