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CYUSB302X датащи(PDF) 26 Page - Cypress Semiconductor

номер детали CYUSB302X
подробное описание детали  SD3??USB and Mass Storage Peripheral Controller
PDF  34 Pages
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производитель  CYPRESS [Cypress Semiconductor]
домашняя страница  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CYUSB302X датащи(HTML) 26 Page - Cypress Semiconductor

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Document Number: 001-55190 Rev. *L
Page 26 of 34
CYUSB302x
Reset Sequence
Table 14 provides the hard reset sequence requirements for SD3.
Figure 7. Reset Sequence
Table 14. Reset and Standby Timing Parameters
Parameter
Definition
Conditions
Min (ms)
Max (ms)
tRPW
Minimum RESET# pulse width
Clock Input
1
–
Crystal Input
1
–
tRH
Minimum high on RESET#
–
5
–
tRR
Reset Recovery Time (after which Boot loader begins
firmware download)
Clock Input
1
–
Crystal Input
5
tSBY
Time to enter Standby/Suspend (from the time
MAIN_CLOCK_EN/ MAIN_POWER_EN bit is set)
–
–
1
tWU
Time to wakeup from standby
Clock Input
1
–
Crystal Input
5
–
tWH
Minimum time before Standby/Suspend source may be
reasserted
–
5
–
VDD
(core )
xVDDQ
XTALIN/
CLKIN
RESET #
Mandatory
Reset Pulse
Hard Reset
tRPW
tRh
Standby/
Suspend
Source
Standby/Suspend source Is asserted
(MAIN_POWER_EN/ MAIN_CLK_EN bit
is set)
Standby/Suspend
source Is deasserted
tSBY
tWU
XTALIN/ CLKIN must be stable
before exiting Standby/Suspend
tRR
tWH



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