USB 2.0 Hi-Speed 3-Port Hub Controller
Datasheet
7.2.2
Run Time SMBus Page Register
The following run time SMBus page register is located at 0xFF and must be programmed to allow the
SOC to page through different pages of the register space.
Table 7.16
SMBus Page
Register
SMBUS_PAGE
(0xFF(I2C) - RESET= 0x00)
BIT
7:5
NAME
PAGE_SEL
R/W
R/W
SMBUS PAGE REGISTER
DESCRIPTION
From the I
2
C side, this field allows the I
2
C to select the accessible address
space:
000 = Select registers in the 3000 space (0x30e2 - 0x30ee)
010 = Select registers in the 3100 space (0x318b,0x318e)
110 = Select register in the 6100 space (0x6100,0x6101,0x6102)
Reserved.
Note:
Software must never write a ‘1’ to these bits
5:0
Reserved
R
Revision 1.0 (06-17-13)
44
SMSC USB2533
DATASHEET
SMSC [ SMSC CORPORATION ]
