參數(shù)資料
型號: CY7C68001
廠商: Cypress Semiconductor Corp.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: EZ-USB FX2 USB Microcontroller High-Speed USB Peripheral Controller
中文描述: EZ - USB FX2的USB微控制器的高速USB外設(shè)控制器
文件頁數(shù): 22/42頁
文件大?。?/td> 1588K
代理商: CY7C68001
CY7C68001
Document #: 38-08013 Rev. *H
Page 22 of 42
11.2
Command Interface
11.2.1
Command Synchronous Read
Table 11-1. Command Synchronous Read Parameters with Internally Sourced IFCLK
Parameter
t
IFCLK
t
SRD
t
RDH
t
OEon
t
OEoff
t
INT
Description
Min.
20.83
18.7
0
Max.
Unit
ns
ns
ns
ns
ns
ns
IFCLK period
SLRD to Clock Set-up Time
Clock to SLRD Hold Time
SLOE Turn-on to FIFO Data Valid
SLOE Turn-off to FIFO Data Hold
Clock to INT# Output Propagation Delay
10.5
10.5
9.5
Table 11-2. Command Synchronous Read with Externally Sourced IFCLK
[13]
Parameter
t
IFCLK
t
SRD
t
RDH
t
OEon
t
OEoff
t
INT
Notes:
12. Dashed lines denote signals with programmable polarity.
13. Externally sourced IFCLK must not exceed 50 MHz.
Description
Min.
20
12.7
3.7
Max.
200
Unit
ns
ns
ns
ns
ns
ns
IFCLK Period
SLRD to Clock Set-up Time
Clock to SLRD Hold Time
SLOE Turn-on to FIFO Data Valid
SLOE Turn-off to FIFO Data Hold
Clock to INT# Output Propagation Delay
10.5
10.5
13.5
IFCLK
SLRD
INT#
SLOE
t
SRD
t
RDH
t
OEon
DATA
t
IFCLK
t
OEoff
N
t
INT
Figure 11-1. Command Synchronous Read Timing Diagram
[12]
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