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USB7252 数据表(PDF) 52 Page - Microchip Technology

部件名 USB7252
功能描述  4-Port USB 3.2 Gen 2 Type-C짰 Controller Hub
PDF  65 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB7252 数据表(HTML) 52 Page - Microchip Technology

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USB7252
DS00002736D-page 52
2018 - 2020 Microchip Technology Inc.
9.6.10
SPI/SQI MASTER TIMING
This section specifies the SPI/SQI master timing requirements for the device.
FIGURE 9-7:
SPI/SQI MASTER TIMING
TABLE 9-9:
SPI/SQI MASTER TIMING (30 MHZ OPERATION)
Symbol
Description
Min
Typ
Max
Units
tfc
Clock frequency
30
MHz
tceh
Chip enable (
SPI_CE_N) high time
100
ns
tclq
Clock to input data
13
ns
tdh
Input data hold time
0
ns
tos
Output setup time
5
ns
toh
Output hold time
5
ns
tov
Clock to output valid
4
ns
tcel
Chip enable (
SPI_CE_N) low to first clock
12
ns
tceh
Last clock to chip enable (
SPI_CE_N) high
12
ns
TABLE 9-10: SPI/SQI MASTER TIMING (60 MHZ OPERATION)
Symbol
Description
Min
Typ
Max
Units
tfc
Clock frequency
60
MHz
tceh
Chip enable (
SPI_CE_N) high time
50
ns
tclq
Clock to input data
9
ns
tdh
Input data hold time
0
ns
tos
Output setup time
5
ns
toh
Output hold time
5
ns
tov
Clock to output valid
4
ns
tcel
Chip enable (
SPI_CE_N) low to first clock
12
ns
tceh
Last clock to chip enable (
SPI_CE_N) high
12
ns
SPI_CLK
SPI_D[3:0] (in)
SPI_D[3:0] (out)
SPI_CE_N
tcel
tfc
Output
data valid
tclq
tceh
tdh
toh
tos
tov
toh
Output
data valid
Input
data valid
tceh



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