參數(shù)資料
型號: GT-48004A
廠商: Galileo Technology Services, LLC
英文描述: Four Port Switched Fast Ethernet Controller(四端口、交換式快速以太網(wǎng)控制器)
中文描述: 四端口交換式快速以太網(wǎng)控制器(四端口,交換式快速以太網(wǎng)控制器)
文件頁數(shù): 77/106頁
文件大?。?/td> 953K
代理商: GT-48004A
GT-48004A Four Port Switched Fast Ethernet Controller
N:\Marketing\Docs\Archive\48004A\DATASHEET\Rev 1.0\484ads10.fm
Revision 1.0
72
Figure 17: Serial LED Interface Timings
18.4.1
Table of Internal Activities/Status Driven via the Serial LED Interface
The following table defines a bit by bit description of the internal signals driven through the LED Indications Serial Inter-
face. The bit number refers to the activation of LEDStb. LEDStb is active for bit# 1. RESERVED bits contents is not de-
fined (i.e. can be either HIGH or LOW).
Table 33: LED Signals
Bi t Nu m b e r
Si g n a l
Bi t N u m b e r
Si g n a l
1
primary_port_status[0]
22
port_is_sniffer[1]
2
primary_port_status[1]
23
full_duplex[1]
3-8
PRIVATE
24-72
-reserved-
9
transmit[0]
73
link_test_fail[0]
10
receive[0]
74
link_test_fail[1]
11
collision[0]
75-80
-reserved-
12
rx_buffer_full[0]
81
partition[0]
13
unknown_enable[0]
82
partition[1]
14
port_is_sniffer[0]
83-88
-reserved-
15
full_duplex[0]
89
secondary_port_status[0]
16
-reserved-
90
secondary_port_status[1]
17
transmit[1]
91-96
-reserved-
18
receive[1]
97
pure_port_status[0]
19
collision[1]
98
pure_port_status[1]
20
rx_buffer_full[1]
99-128
-reserved-
21
unknown_enable[1]
LEDClk
1us
90ns
LEDStb
LEDData
or 4.95us
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