TXC-06880BIOG Transwitch Corporation, TXC-06880BIOG Datasheet - Page 81
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TXC-06880BIOG
Manufacturer Part Number
TXC-06880BIOG
Description
Manufacturer
Transwitch Corporation
Datasheet
1.TXC-06880BIOG.pdf
(122 pages)
Specifications of TXC-06880BIOG
Operating Supply Voltage (typ)
1.8/3.3V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TXC-06880BIOG
Manufacturer:
SAMWHA
Quantity:
34 000
- Current page: 81 of 122
- Download datasheet (2Mb)
0040
PRELIMINARY TXC-06880-MB, Ed. 4
February 2005
(hex)
Addr
RW
RO
RW
RO
Mode Bit range
2-0
3
4
5
6
31-7
value after
0
0
0
0
Default
reset
- Memory Maps and Bit Descriptions -
MII MGMT: CONFIGURATION REGISTER
MGMT Clock Select: This field determines the clock frequency of the
MGMT Clock (MDC). Consult Table below - MGMT Clock Select
Encoding on how to program this field.
Reserved
Preamble Suppression:
0 - MII MGMT will perform MGMT read/write cycles with the 32 clocks of
preamble
1 - MII MGMT will suppress preamble generation and reduce the MGMT
cycle from 64 clocks to 32 clocks per IEEE 802.3/22.2.4.4.2
Reserved
PHY/Register Scan Enable: When Scan Mode Enable is enabled, this
bit determines whether or not to increment the PHY or register address
for the next read cycle.
1 - Increment address
Scan Register Increment Select: - When Scan Mode Enable is
enabled, this bit determines whether to increment the Register address
or the PHY address.
0 - Increment PHY address, allows read scan of the same register in all
PHYs
1 - Increment register address, allows read scan of all registers in a
specific PHY
UPCLK divided by 4
UPCLK divided by 6
UPCLK divided by 8
UPCLK divided by 10
UPCLK divided by 14
UPCLK divided by 20
UPCLK divided by 28
MGMT Clock Select Bits
MGMT Clock Select Encoding
Description
2
0
0
0
1
1
1
1
Envoy-CE2 Device
1
0
1
1
0
0
1
1
DATA SHEET
X
0
0
1
0
1
0
1
TXC-06880
81 o f 12 2
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