參數(shù)資料
型號(hào): M37753S4CHP
元件分類(lèi): 微控制器/微處理器
英文描述: 16-BIT, 40 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁(yè)數(shù): 11/112頁(yè)
文件大?。?/td> 1451K
代理商: M37753S4CHP
6. Functional Description
90
EPSON
S1R72V17*** Technical Manual (Rev.1.6)
6.3.9.2.3
Remote Wakeup Detection
If the remote wakeup acceptance enable (H_NegoControl_1.RmtWkupDetEnb) is enabled,
remote wakeup detection is performed in the SUSPEND state.
6.3.9.2.3.1
When HS Device is Connected
The procedure that is executed for the case where an HS device is connected is
described below. Procedures (2) to (3) are automatically executed by the LSI’s
hardware.
(1) The device starts sending out a remote wakeup signal (K) (T0).
(2) The host detects the remote wakeup signal (K) (T1).
(3) A remote wakeup detected status (H_SIE_IntStat_0.DetectRmtWkup) is issued to
the firmware (T1).
Note that the host must issue a resume signal (K) within 1 ms after detecting a remote
wakeup from the device. Therefore, the firmware should immediately set the host state
transition execution (H_NegoControl_0.AutoMode) to GoRESUME within 900 s
after recognizing the remote wakeup detected status.
OpMode[1:0]
XcvrSelect[1:0]
TermSelect
DP / DM
LineState[1:0]
PortSpeed[1:0]
time
T2
Power Down
Disable BS and NRZI
'J' State
FS
HS
T0
T1
FS Mode
Device is suspended
(FS Mode)
'K' State
'J' State
'K' State
Upstream
Resume
Downstream Resume
T3
HostState[2:0]
SUSPEND
DetectRmtWkup
RESUME
Fig. 6.38 Remote wakeup timing (HS mode)
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