參數(shù)資料
型號(hào): ADM6926
廠商: Electronic Theatre Controls, Inc.
英文描述: 26 port 10/100 Mbps Ethernet Switch Controller
中文描述: 26端口10/100 Mbps以太網(wǎng)交換機(jī)控制器
文件頁數(shù): 13/85頁
文件大?。?/td> 4222K
代理商: ADM6926
ADM6926 Interface Description
Name
Type
16mA
Pin #
Description
signal is 125MHz output for SS-SMII interface.
Port 16 to Port 23 SS-SMII Receive Data bit.
The receive
data should be synchronous to the rising edge of CLK_RX2.
SRXD2[0:7] I,
TTL
42,44,46,
54,58,61,
63,65
53
SYNC_RX2 I,
TTL
Port 16 to Port 23 SS-SMII Synchronous signal.
This
signal is synchronous to the rising edge of CLK_RX2. Active
high indicates the byte boundary.
Reference Receive Clock for Port 16 to Port 23.
This signal
is 125MHz input for SS-SMII interface.
Port 16 to Port 23 SS-SMII Transmit Data bit.
The
transmit data is synchronous to the rising edge of CLK_TX2.
CLK_RX2 I,
TTL
57
STXD2[0:7] O, TTL
8mA
41,43,45,
48,56,60,
62,64
47
SYNC_TX2 O, TTL
8mA
Port 16 to Port 23 SS-SMII Synchronous signal.
This
signal is synchronous to the rising edge of CLK_TX2. Active
high indicates the byte boundary.
Reference Transmit Clock for Port 16 to Port 23.
This
signal is 125MHz output for SS-SMII interface.
CLK_TX2 O, TTL
16mA
55
2.2.2 MII/RMII Interface, 28pins
Name
Type
M0CRS
I,
TTL
PD
M0COL
I,
TTL
PD
M0TXD
[0:3]
TTL
8mA
PD
ADMtek Inc.
2-3
Pin #
68
Description
MII Port0 Carrier Sense
This pin is internal pull_down.
69
MII Port0 Collision input
This pin is internal pull_down.
I/O,
73,72,71,
70
MII Port 0 Transmit Data Bit[0:3].
Synchronous to the rising edge of M0TXCLK.
RMII Port 0 Transmit Data Bit[0:1].
Synchronous to the rising edge of M0RXCLK.
RMIIMODE[1]
: Value on M0TXD[3] will be latched at the
rising edge of RESETL to configure port 25 as RMII mode.
RMIIMODE[0]
: Value on M0TXD[2] will be latched at the
rising edge of RESETL to configure port 24 as RMII mode.
MII/RMII Port 0 Transmit Enable.
AGDIS.
Value on this pin will be latched at the rising edge
of RESETL to set aging disable.
M0TXEN
I/O,
TTL
8mA
PD
74
M0TXCLK I,
TTL
PD
75
MII Port 0 Transmit clock Input.
This pin is 25MHz input for MII interface.
M0RXCLK I,
TTL
PD
76
MII/RMII Port 0 Receive Clock Input.
This pin is 25MHz input for MII interface and 50MHz
REFCLK input for RMII interface.
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