VSC8641XKO Vitesse Semiconductor Corp, VSC8641XKO Datasheet - Page 58

• Manufacturer Part Number: VSC8641XKO
• Description: IC PHY 10/100/1000 100-LQFP
• Manufacturer: Vitesse Semiconductor Corp
• Type: PHY Transceiverr

Specifications of VSC8641XKO

• Number Of Drivers/receivers: 1/1
• Protocol: Gigabit Ethernet
• Voltage - Supply: 2.5V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Case: TQFP
• Dc: 07+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 907-1031

Table 33.
4.2.27
4.3
Table 34.
Revision 4.3
August 2009
Delay Skew Status, Address = 29 (0x1D) (continued)
Reserved Address Space
The bits in register 30 (0x1E) are reserved.
Extended Page Registers
To provide functionality beyond the IEEE802.3-specified 32 registers and main device
registers, the VSC8641 device includes an extended set of registers that provide an
additional 15 register spaces.
To access the extended page registers (16E through 30E), enable extended register
access by writing 0x0001 to register 31. For more information, see
When extended page register access is enabled, reads and writes to registers 16
through 30 affect the extended registers 16E through 30E instead of those same
registers in the IEEE-specified register space. Registers 0 through 15 are not affected
by the state of the extended page register access.
Writing 0x0000 to register 31 restores the normal register access.
The following table lists the addresses and register names in the extended register
page space. These registers are accessible only when the device register 31 is set to
0x0001.
Extended Registers Page Space
Bit
10:8
7
6:4
3
2:0
Register Address
16E
17E
18E
19E
20E
21E
22E
23E
24E
25E
26E
27E
Name
Pair B delay skew
Reserved
Pair C delay skew
Reserved
Pair D delay skew
Register Name
Enhanced LED method select
Enhanced LED behavior
CRC good counter
MAC resistor calibration control
Extended PHY control 3
EEPROM interface status and control
EEPROM data read or write
Extended PHY control 4
Reserved
Reserved
Reserved
Extended PHY control 5
Access
RO
RO
RO
RO
RO
Description
Skew in integral symbol times
Skew in integral symbol times
Skew in integral symbol times
VSC8641 Datasheet
Table 35,
Configuration
Default
page 59.
000
000
000
Page 58