參數(shù)資料
型號: MB86960
廠商: Fujitsu Limited
英文描述: NETWORK INTERFACE CONTROLLER with ENCODER/DECODER (NICE)
中文描述: 網(wǎng)絡(luò)接口控制器的編碼/解碼器(尼斯)
文件頁數(shù): 45/65頁
文件大?。?/td> 488K
代理商: MB86960
MB86960
t
1
t
3
t
2
t
5
t
4
t
6
t
9
t
8
t
7
t
10
SA0-3
CS
RD
RDY
RDY
SD15-0
(from NICE)
t
11
Figure 16. Read Cycle
TRISTATE
TRISTATE
TRISTATE
TRISTATE
Table 21. Read Cycle
Symbol
Parameter Description
Min.
Max.
Units
t
1
CS low to RD low; SA3–0 valid to RD low
3
ns
t
2
RD high to CS high; RD high to SA3–0 invalid
3
ns
t
3
RD low pulse width
30
ns
t
4
RD low to RDY low
0
26
ns
t
5
RD low to RDY TRISTATE
[1]
175
ns
t
6
RD low to RDY low
[2]
0
175
ns
t
7
RD high to RDY TRISTATE
28
ns
t
8
RD low to SD15–0 valid (except Buffer Memory Port)
44
ns
t
9
RDY TRISTATE to SD15–0 valid (buffer port)
8
ns
t
10
RDY low to SD15–0 valid
10
ns
t
11
RD high to SD15–0 invalid (data hold)
15
ns
1. 0 ns maximum for registers, and for Buffer Memory Port when port is ready before the read cycle begins. For port access only, 175 ns
maximum may occur if system makes contiguous system read cycles at less than 100 ns intervals, and both the transmitter and receiver
are active in “l(fā)oopback” reception. 2.15
μ
s max for bus read error.
2. 28 ns maximum for all registers. For port access only, 175 ns maximum may occur if system makes contiguous system read cycles at
less than 100 ns intervals, and both the transmitter and receiver are active in “l(fā)oopback” reception. 2.15
μ
s max for bus read error.
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