參數(shù)資料
型號(hào): 84C300A
廠商: LSI Corporation
英文描述: 4-Port Fast Ethernet Controller(四端口快速以太網(wǎng)控制器)
中文描述: 4端口快速以太網(wǎng)控制器(四端口快速以太網(wǎng)控制器)
文件頁數(shù): 46/56頁
文件大小: 523K
代理商: 84C300A
84C300A 4-Port
Fast Ethernet Controller
4-46
MD400152/E
9.0 Transmit Data Interface Timing on Exception Conditions
Symbol
Parameter
Min.
Typ.
Max.
t
1
t
2
t
3
TXINTEN Setup Time
RXRD_TXWR to TXRET Delay
TXRET Deassert from CLRTXERR
5 ns
7 ns
25 ns
1 TXC Cycle
+ 1 RXRD_TXWR Cycle
+ 7 ns
5 ns
0 ns
12 ns
0 ns
5 ns
2 TXC Cycles
+ 2 RXRD_TXWR Cycles
+ 30 ns
t
4
t
5
t
6
t
7
t
8
TXWREN Setup Time
TXWREN Hold Time
CLRTXERR Setup Time
CLRTXERR Hold Time
TXRDY Output Enabled to Output
Valid Delay
TXRDY Deassert Due to TXRET
Going HIGH Because of
an Exception Condition
RXTXDATA Setup Time
TXEN Assert from First Data
Write to the Transmit FIFO
(Assuming Defer Time Has Been
Met)
25 ns
t
9
5 ns
1 RXRD_TXWR Cycle
+ 25 ns
t
10
t
12
5 ns
0.75 RXRD_TXWR Cycles
+ 18.5 TXC Cycles + 5 ns
(10 Mbit/sec Serial Mode)
0.75 RXRD_TXWR Cycles
+ 26.5 TXC Cycles + 20 ns
(10 Mbit/sec Serial Mode)
0.75 RXRD_TXWR Cycles
+ 6.5 TXC Cycles + 5 ns
(MII Mode)
25 TXC Cycles
+ 1 RXRD_TXWR Cycle
+ 7 ns
(10 Mbit/sec Serial Mode)
7 TXC Cycles
+ 1 RXRD_TXWR Cycle
+ 7 ns
(MII Mode)
8 TXC Cycles
+ 1 RXRD_TXWR Cycle
+ 7 ns
(10 Mbit/sec Serial Mode)
2 TXC Cycles
+ 1 RXRD_TXWR Cycle
+ 7 ns
(MII Mode)
5 ns
0.75 RXRD_TXWR Cycles
+ 8.5 TXC Cycles + 20 ns
(MII Mode)
34 TXC Cycles
+2 RXRD_TXWR Cycles
+ 25 ns
(10Mbit/sec Serial Mode)
10 TXC Cycles
+ 2 RXRD_TXWR Cycles
+ 25 ns
(MII Mode)
8 TXC Cycles
+ 2 RXRD_TXWR Cycles
+ 25 ns
(10 Mbit/sec Serial Mode)
2 TXC Cycles
+ 2 RXRD_TXWR Cycles
+ 25 ns
(MII Mode)
25 ns
t
13
TXRET Set Delay Due to
Late Collision or 16 Collisions
TXRET Set Due to Underflow
t
15
TXRDY Going HIGH Due to TXRET
Going Low
TXRET Output Enabled
to Output Valid Delay
TXRET Output Disabled to Hi-Z
Delay
t
16
7 ns
25 ns
t
17
3 ns
12 ns
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