參數(shù)資料
型號: MVTX2604
廠商: Zarlink Semiconductor Inc.
英文描述: Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch
中文描述: 管理24端口的10/100 Mb 2端口千兆以太網(wǎng)交換機1
文件頁數(shù): 158/173頁
文件大?。?/td> 2097K
代理商: MVTX2604
MVTX2604
Data Sheet
160
Zarlink Semiconductor Inc.
15.5.6 Typical CPU Timing Diagram for a CPU Read Cycle
Figure 18 - Typical CPU Timing Diagram for a CPU Read Cycle
15.6 Local Frame Buffer SBRAM Memory Interface
15.6.1 Local SBRAM Memory Interface
Figure 19 - Local Memory Interface – Input Setup and Hold Timing
Description
(SCLK=100 Mhz)
(SCLK=125 Mhz)
Refer to Figure 18
Read Cycle
Symbol
Min.
Max.
Min.
Max.
Read Set up Time
T
RS
10
10
Read Active Time
T
RA
20
16
At least 2 SCLK
Read Hold Time
T
RH
2
2
Read Recovery time
T
RR
30
24
At least 3 SCLK
Data Valid time
T
Dv
10
10
Data Invalid time
T
DI
6
6
P_CS#
P_RD#
DATA to CPU
P_ADDR
T
Recovery Time
at least 3 SCLKs
2ns
Invalid time
ADDR0
T
RS
T
DV
T
at least
2 SCLKs
Valid time
DATA 1
DATA 0
T
DI
ADDR1
T
RH
T
RS
T
at least
2 SCLKs
T
RH
T
DI
T
DV
L1
L2
LA_CLK
LA_D[63:0]
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