MTD655 Datasheet, PDF (7/18 Pages) List of Unclassifed Manufacturers – 5 Port 10M/100M Hub With 2 port Switch

MYSON
TECHNOLOGY
MTD655
Name
RSTB
SYSCLK
MDC
MDIO
UPSWEN
FD4
SPD0
SPD1
SPD2
SPD3
SPD4
NC_pin
VCC
GND
Miscellaneous Pins
Pin Number
128
122
126
127
I/O
Descriptions
I System reset input, low active.
I 50MHz system clock input
I/O MII management clock inout
I/O MII management data inout
I Up_link switch port enabling : one of internal two_port switch port will
65
connect to 100M_hub domain, and another port will redirect to RMII
port4.
I When up_link switch port enabling, this pin is port4’s full_deplex indi-
66
cator, input from PHY. When hign , indicate port4 in running on
full_duplex mode. When low, indicate on half_duplex mode.
I Port0 speed indicator, input from PHY.
8
SPD0 input low: 100M , input high: 10M.
I Port1 speed indicator, input from PHY.
64
SPD1 input low: 100M , input high: 10M.
63
62
61
2,4,5,11,22,
I Port2 speed indicator, input from PHY.
SPD2 input low: 100M , input high: 10M.
I Port3 speed indicator, input from PHY.
SPD3 input low: 100M , input high: 10M.
I Port4 speed indicator, input from PHY.
SPD4 input low: 100M , input high: 10M.
NC No connection pins
23,24
3,31,45,59, PWR Power pins
72,103,121
1,6,7,13,14, GND Ground pins
21,25,26,32,
46,60,74,82,
92,105,117,
123
7/18
MTD655 Revision 2.0 17/03/2000