Smsc LAN9512 User Manual download pdf (Page 22)

USB Hub with Integrated 10/100 Ethernet Controller

Datasheet

Revision 1.0 (04-20-09) 22 SMSC LAN9512

DATASHEET

Note: EEPROM byte addresses past 39h can be used to store data for any purpose.

Table 3.2 describes the Configuration Flags

2Ch Max Power (Self) Register (MAXPS)

2Dh Max Power (Bus) Register (MAXPB)

2Eh Hub Controller Max Current (Self) Register (HCMCS)

2Fh Hub Controller Max Current (Bus) Register (HCMCB)

30h Power-on Time Register (PWRT)

31h Boost_Up Register (BOOSTUP)

32h RESERVED

33h Boost_3:2 Register (BOOST32)

34h RESERVED

35h Port Swap Register (PRTSP)

36h Port Remap 12 Register (PRTR12)

37h Port Remap 3 Register (PRTR3)

38h RESERVED

39h Status/Command Register (STCD)

Table 3.2 Configuration Flags Description

BIT NAME DESCRIPTION

7:3 RESERVED 00000b

2 Remote Wakeup Support 0 = The device does not support remote wakeup.

1 = The device supports remote wakeup.

1 RESERVED 0b

0 Power Method 0 = The device Controller is bus powered.

1 = The device Controller is self powered.

Table 3.1 EEPROM Format (continued)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 45 46

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Smsc LAN9512 User Manual Page 22