USB2503-HZH Standard Microsystems Corp., USB2503-HZH Datasheet - Page 25

• Manufacturer Part Number: USB2503-HZH
• Description: Interface, Integrated USB2.0 Compatible 3-Port Hub
• Manufacturer: Standard Microsystems Corp.

Integrated USB2.0 Compatible 3-Port Hub
Datasheet
SMSC USB2503
5.3.9.1
NUMBER
ADDR
REG
0Ah
0Bh
0Ch
0Dh
0Eh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Fh
10h
BIT
7:3
2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Register 00h: Status/Command (Reset = 0x00)
BIT NAME
Reserved
REGISTER NAME
Status/Command
VID LSB
VID MSB
PID LSB
PID MSB
DID LSB
DID MSB
Config Data Byte 1
Config Data Byte 2
Non-Removable
Devices
Port Disable (Self)
Port Disable (Bus)
Max Power (Self)
Max Power (Bus)
Hub Controller
Max Current (Self)
Hub Controller
Max Current (bus)
Power-on Time
RESET
Table 5.4 SMBus Slave Interface Register Map
Reserved. {Note: Software must never write a ‘1’ to these bits}
Reset the SMBus Interface and internal memory back to RESET_N assertion
default settings. {Note: During this reset, this bit is automatically cleared to
its default value of 0.}
0 = Normal Run/Idle State.
1 = Force a reset.
HCMCS
HCMCB
MAXPS
MAXPB
ABBR
PWRT
STCD
CFG1
CFG2
VIDM
PIDM
DIDM
VIDL
PIDL
DIDL
NRD
PDS
PDB
BIT 7
(MSB)
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
20
BIT
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
DESCRIPTION
BIT
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
BIT
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
BIT
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
BIT
Revision 1.3 (08-24-04)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
BIT
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
(LSB)
BIT
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0