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MTD505 Revision 1.2 14/04/2000
MTD505
(Preliminary)
MYSON
TECHNOLOGY
Jummper Configuration After Power On Reset
Name
Pin Number
I/O
Descriptions
LEDDATA[0]
LEDDATA[1]
LEDDATA[2]
LEDDATA[3]
LEDDATA[4]
LEDDATA[5]
LEDDATA[6]
LEDDATA[7]
I/O
During power on reset duration, these pins are jumper setting pins
(pull_hgih = 1, pull_low = 0).
LEDDATA[0] : select SGRAM/SDRAM interface ,
“1” means 256K32 x 1 or 512K32 x 1 is selected.
“0” means 256K32 x 2 is selected, default is “1”.
LEDDATA[1] : config packet buffer size,
“1” means 2 M bytes buffer size is selected.
“0” means 1 M byte buffer size is selected, default is “0”
LEDDATA[2] : enable memory test function,
“1” means enable.
‘0” means disable, default is “1”.
LEDDATA[3] : enable aging function,
“1” means enable.
“0” means disable, default is “1”.
LEDDATA[4] : enable MII polling(MDC/MDIO),
“1” means enable.
“0” means disable, default is “1”.
LEDDATA[5] : enable broadcast storm control,
“1” means enable.
“0” means disable, default is “1”.
LEDDATA[6] : enable backpressure function (in half mode),
“1” means enable.
“0” means disable, default is “1”.
LEDDATA[7] : enable 802.3x flow control function (in full mode) ,
“1” means enable.
“0” means disable, default is ”1”.
LEDCLK1
I/O
During power on reset duration, this pin is a jumper setting pin
(pull_hgh =1, pull_low = 0).
LEDCLK1 : select 1K or 8K address entry table,
“1” means 8K addres entry is selected.
“0” means 1K address entry is selected, default is “1”.
LEDCLK2
I/O
During power on reset duration, this pin is a jumper setting pin
(pull_hgh =1, pull_low = 0).
LEDCLK2 : enable EEPROM interface.
“1” means enable.
“0” means disable, default is “1”.
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