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參數(shù)資料
| 型號(hào)： | M37753S4CHP |
| 元件分類： | 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)： | 9/112頁(yè) |
| 文件大小： | 1451K |
| 代理商： | M37753S4CHP |
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6. Functional Description
88
EPSON
S1R72V17*** Technical Manual (Rev.1.6)
6.3.9.2.2
Disconnection Detection
Disconnection of a device is detected in DISABLED, OPERATIONAL, and SUSPEND
states.
To restart from the connection detection phase without turning VBUS off when a
disconnection is detected, you must change the host state to WAIT_CONNECT. On the other
hand, if the VBUS needs to be turned off, then change the host state to IDLE.
6.3.9.2.2.1
When HS Device is Disconnected
Disconnection of an HS device is detected in the OPERATIONAL state.
The procedure that is executed when an HS device is disconnected is described below.
Procedures (2) to (3) are automatically executed by the LSI’s hardware.
(1) A device is disconnected (T0).
(2) A disconnection is detected in the EOP period of uSOF(HS_SOF). A
disconnected state is assumed when a disconnection is detected three times in
succession (T1).
(3) A disconnection detected status (H_SIE_IntStat_0.DetectDiscon) is issued to the
firmware (T1).
OpMode[1:0]
XcvrSelect[1:0]
time
TermSelect
DP / DM
Normal Operation
Disconnected
Connected
PortSpeed
LineState[1:0]
SE0
T0
T2
FS
HS
T1
Don't care
Activity
uSOF
HostState[2:0]
WAIT_CONNECT / IDLE
OPERATIONAL
DetectDiscon
SE0
FS
HS
Fig. 6.36 Disconnection detection timing (HS mode)
Table 6.31 Disconnection Detection Timing Values (HS Mode)
Timing
Parameter
Description
Value
T0
A device is disconnected.
0 (reference)
T1
A disconnection detected status (H_SIE_IntStat_0.DetectDiscon) is
issued (by hardware).
T1
T2
(reference)
Host state transition execution (H_NegoControl_0.AutoMode) is set
to GoWAIT_CONNECT (by firmware).
T2
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| M37754M6C-XXXGP | 16-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP100 |
| M37754M6C-XXXHP | 16-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP100 |
| M37754S4CGP | 16-BIT, 40 MHz, MICROCONTROLLER, PQFP100 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37754 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16BIT CMOS MICROCOMPUTER |
| M37754FFCGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37754FFCHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37754M6C-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37754M6C-XXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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