USB3320C-EZK Standard Microsystems (SMSC), USB3320C-EZK Datasheet - Page 70

• Manufacturer Part Number: USB3320C-EZK
• Description: USB PHY
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB3320C-EZK

• Lead Free Status / RoHS Status: Compliant

Revision 1.0 (07-14-09)
7.1.3
7.1.3.1
7.1.3.2
7.1.3.3
FIELD NAME
Reserved
Boost
Reserved
FIELD NAME
HeadsetAudioEn
Reserved
FIELD NAME
RidValue
Vendor Register Access
The vendor specific registers include the range from 30h to 3Fh. These can be accessed by the ULPI
immediate register read / write.
HS TX Boost
Address = 31h (read / write)
Headset Audio Mode
Address = 33h (read / write)
Vendor Rid Conversion
Address = 36-38h (read), 36h (write), 37h (set), 38h (clear)
BIT
BIT
BIT
4:0
6:5
3:0
7:4
2:0
7
ACCESS
ACCESS
ACCESS
rd/w
rd/w
rd/w
rd
rd
rd
DEFAULT
DEFAULT
DEFAULT
DATASHEET
00000b
0000b
000b
00b
0b
0h
70
DESCRIPTION
Read only, 0.
Sets the HS transmitter amplitude as described in
Section
00b: Nominal
01b: Enables 11.1% increased drive strength
10b: Enables 7.4% increased drive strength
11b: Enables 3.7% increased drive strength
Read only, 0.
DESCRIPTION
When this field is set to a value of 1010, the Headset
Audio Mode is enabled as described in
Read only, 0.
DESCRIPTION
Conversion value of Rid resistor
000: 0 ohms
001: 75 ohms
010: 100K ohms
011: 200K ohms
100: 440K ohms
101: ID floating
111: Error
Note:
5.2.1.
RidValue can also be read from the
Interrupt Status
Highly Integrated Full Featured Hi-Speed USB 2.0 ULPI Transceiver
Register.
SMSC USB3320
Section
Datasheet
Carkit
6.7.