參數(shù)資料
型號: CY3687
廠商: Cypress Semiconductor Corp.
英文描述: MoBL-USB⑩ FX2LP18 USB Microcontroller
中文描述: 的MoBL - USB FX2LP18的USB微控制器⑩
文件頁數(shù): 29/39頁
文件大?。?/td> 453K
代理商: CY3687
CY7C68053
Document # 001-06120 Rev *H
Page 29 of 39
9.6 Slave FIFO Asynchronous Write
9.7 Slave FIFO Synchronous Packet End Strobe
Figure 13. Slave FIFO Synchronous Packet End Strobe Timing Diagram
[17]
DATA
t
SFD
t
FDH
FLAGS
t
XFD
t
WRpwh
t
WRpwl
Figure 12. Slave FIFO Asynchronous Write Timing Diagram
[17]
SLWR
Table 17.Slave FIFO Asynchronous Write Parameters with Internally Sourced IFCLK
[20]
Parameter
t
WRpwl
t
WRpwh
t
SFD
t
FDH
t
XFD
Description
Min.
50
50
10
10
Max.
Unit
ns
ns
ns
ns
ns
SLWR pulse LOW
SLWR pulse HIGH
SLWR to FIFO data setup time
FIFO data to SLWR hold time
SLWR to FLAGS output propagation delay
70
FLAGS
t
XFLG
IFCLK
PKTEND
t
SPE
t
PEH
Table 18.Slave FIFO Synchronous Packet End Strobe Parameters with Internally Sourced IFCLK
[10]
Parameter
t
IFCLK
t
SPE
t
PEH
t
XFLG
Description
Min.
20.83
14.6
0
Max.
Unit
ns
ns
ns
ns
IFCLK period
PKTEND to clock setup time
Clock to PKTEND hold time
Clock to FLAGS output propagation delay
9.5
Table 19.Slave FIFO Synchronous Packet End Strobe Parameters with Externally Sourced IFCLK
[10]
Parameter
t
IFCLK
t
SPE
t
PEH
t
XFLG
Description
Min.
20.83
8.6
3.04
Max.
200
Unit
ns
ns
ns
ns
IFCLK period
PKTEND to clock setup time
Clock to PKTEND hold time
Clock to FLAGS output propagation delay
13.5
[+] Feedback
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