參數(shù)資料
型號(hào): AX88180
廠商: ASIX Electronics Corporation
英文描述: High-Performance Non-PCI 32-bit 10/100/1000M Gigabit Ethernet Controller
中文描述: 高性能非PCI 32位10/100/1000千兆以太網(wǎng)控制器
文件頁(yè)數(shù): 33/47頁(yè)
文件大?。?/td> 420K
代理商: AX88180
AX88180
33
ASIX ELECTRONICS CORPORATION
5.2 A.C. Timing Characteristics
5.2.1 Host Clock
A. Reference clock (HCLK)
Description
Min
40
40
Typ.
-
50
Max
100
60
Units
MHz
%
Reference frequency
Reference clock duty cycle
B. Reference clock (CLK125)
Description
Min
-
45
Typ.
125
50
Max
-
55
Units
MHz
%
Reference frequency
Reference clock duty cycle
5.2.2 Reset Timing
Symbol
Trst
Description
Min
0.5
Typ.
-
Max
-
Units
ms
Reset pulse width
5.2.3 Host Single Write Timing
Symbol
Tsetup
CSN, WEN to HCLK setup timing
Tar
HA exceed to WEN timing
Tad
HA exceed to WEN timing
Tvalid_cycle A Valid write cycle timing (synchronous to
MCU)
Tvalid_cycle A Valid write cycle timing- (asynchronous to
MCU)
Description
Min
2
0
0
4
Typ.
-
-
Max
-
-
Units
ns
HCLK
HCLK
HCLK
6
-
-
HCLK
H C L K
R S T _ N
T r st
HCLK
CSN
WEN
Valid address
HA[15:1]
Valid data
HD[31:0]
Tsetup
Tar
Tad
Tvalid_cycle
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