MTD508 Myson Technology, MTD508 Datasheet - Page 6

• Manufacturer Part Number: MTD508
• Description: 8-port Switch
• Manufacturer: Myson Technology

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CASB
WEB
BA
CS0B
CS1B
MEMCLK
LEDDATA[7:0]
LEDCLK1
LEDCLK2
RESETB
SYSCLK
REFCLK
MDC
MDIO
SDC
SDIO
EEDATA
EECLK
Name
Name
Name
Myson-Century Technology
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
I
I
I
124-131
120
121
139
141
144
143
135
136
138
137
Pin
Pin
Pin
94
95
91
92
88
73
52
Note: LRn: per port’s Link_RxAct status;
SGRAM/SDRAM Interface Pins
SGRAM/SDRAM column address select.
SGRAM/SDRAM write enable.
SGRAM/SDRAM bank select.
Memory chip select 0.
Memory chip select 1.
Memory clock output.
LED data output.
These LED pins report ports0‘7 Link/Rx activities using LEDCLK1 strobe, and
report packet buffer utilization status using LEDCLK2 strobe.
LED strobe 1.
LED strobe 2.
System reset input, low active.
Switch core system clock input, using the same clock source with REFCLK.
RMII reference clock input, using 50MHz.
MII management clock inout.
MII management data inout.
MII register clock inout.
MII register data inout.
EEPROM data input.
EEPROM clock output.
LEDDATA
LEDCLK1
LEDCLK2
Miscellaneous Pins
LED Interface Pins
Uti0: 5%, Uti1: 10%, Uti: 20%, Uti3: 35%, Uti4: 50% and above;
BFull: buffer almost full alarm signal;
MFail: external memory poer on test failure.
LR0
Uti0
[0]
LR1
Uti1
[1]
LR2
Uti2
Description
Description
Description
[2]
LR3
Uti3
[3]
LR4
Uti4
[4]
-
-
[5]
MTD508
-
BFull
[6]
page 6 of 19
MFail
-
[7]