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參數(shù)資料
| 型號： | M66596FP |
| 元件分類： | 總線控制器 |
| 英文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP64 |
| 封裝： | 0.50 MM PITCH, LQFP-64 |
| 文件頁數(shù)： | 87/131頁 |
| 文件大?。?/td> | 1595K |
| 代理商： | M66596FP |
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M66596FP/WG
rev .1.00
2006.3.14
page 59 of 127
3.1.8.6 Starting the internal clock
(From the clock stop state to the normal operating state : with “ATCKM=0”)
The timing diagram from the clock stop state to the normal operation is shown in Figure 3.10. The diagram is in
the case of the auto clock supply function is disabled ("ATCKM=0"). When the auto clock supply function is disabled,
register control is performed by software. Softwear should operate registers according to the following sequence.
(1) The controller detects the resume on a USB bus or attachment of the USB cable, and the INT_N pin is
asserted.
(2) When the resume is detected, the controller automatically enables the oscillation buffer. "XCKE=1(H/W)"
When attachment of USB cable is detected, software enables the oscillation buffer. "XCKE=1(S/W)"
(3) The software waits for oscillation to stabilize. *1)
(The oscillation stabilization time varies depending
on the oscillator.)
(4) The software enables the reference clock suppliance
"RCKE=1", "PLLC=1"
and the PLL operation
(5) The software waits for the PLL to lock.
(A waiting time of at least 8.3 us is necessary.)
(6) The software enables the internal clock suppliance.
"SCKE=1"
(7) Software performs depending on the interrupt factor, resume or attachment.
*1) When it returns with a USB bus reset signal from the suspend state, it is necessary to return to the normal
operation state less than 3ms and the controller start a reset handshake protocol. For this reason, when an
auto clock supply function is disabled, it is necessary to perform a processings to oscillation stability waiting
and clock supply by software within 3ms.
XCKE
Resume :H/W
VBUS chage :S/W
RCKE(H/W)
PLLC(H/W)
SCKE(H/W)
(3)
Clock stop
recovery
INT_N
Event
(1),(2)
(6)
(5) min 8.3us
(4)
Figure 3.10 Recovery control timing from the clock stop state with “ATCKM=0”
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M66596FP#RB0Z | 制造商:Renesas Electronics Corporation 功能描述:MCU - Trays 制造商:Renesas Electronics 功能描述:USB Device Controller 64-Pin LQFP Cut Tape 制造商:Renesas Electronics 功能描述:USB Device Controller 64-Pin LQFP Tray 制造商:Renesas 功能描述:USB Device Controller 64-Pin LQFP |
| M66596FPRB0Z | 制造商:Renesas Electronics Corporation 功能描述:USB2.0 Dual Function Controller,LQFP64 |
| M66596WG | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:ASSP (USB2.0 Dual Function Controller) |
| M66596WG#RB0Z | 制造商:Renesas Electronics 功能描述:Tray 制造商:Renesas 功能描述:0 |
| M6668 | 制造商:Tamura Corporation of America 功能描述: |
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