AC101LKQT Broadcom, AC101LKQT Datasheet - Page 32

• Manufacturer Part Number: AC101LKQT
• Manufacturer: Broadcom

Specifications of AC101LKQT

• Number Of Receivers: 1
• Data Rate: 10/100Mbps
• Package Type: TQFP
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Lead Free Status / Rohs Status: Not Compliant

AC101L
R
R
R
Page
19.[14:7]
19.6
19.5
19.4
19.3
19. 2
19.1
19.0
Bit
20.15
20.14
20.[13:9]
a
20.[7:4]
20.[3:0]
Bit
21.[15:0]
Bit
20.8
EGISTER
EGISTER
EGISTER
a. To set the value of 20.[7:4], you must turn on bit 20.8 and turn off bit 20.14. Otherwise, this PHY rejects receive packets.
24
19: P
20: C
21: R
Name
Reserved
Reserved
Disable
Watchdog Timer
for Decipher
Low Power Mode
Disable
Reserved
Reserved
NLP Link Integrity
Test
Jabber Disable
Name
Reserved
Reserved
Reserved
Adaptation
Disable
Cable
Measurement
Capability
Reserved
Name
RXER Counter
OWER
ABLE
ECEIVE
Table 16: Register 20: Cable Measurement Capability Register
/L
M
E
OOPBACK
EASUREMENT
Description
Reserved
Reserved
1 = Disables watchdog timer.
0 = Enables advanced power saving mode.
0 = Enables advanced power saving mode.
1 = Disables advanced power saving mode. (Do not enable this bit
during normal operation)
Reserved
Reserved
1 = In auto-negotiation test mode, sends NLP instead of FLP to test NLP
receive integrity.
0 = Sends FLP in auto-negotiation test mode.
1 = Disables jabber.
Description
Reserved
1 = On
0 = Off
Reserved
1 = Disables adaptation.
0 = Enables adaptation.
These bits can be used as a cable length indicator. The bits are
incremented from 0000 to 1111, with an increment of approximately 10
meters. The equivalent is 0 to 32 dB with an increment of 2 dB @ 100
MHz. The value is a read back from the equalizer, and the measured
value is not absolute.
Reserved
Description
Counts Receive Error events.
RROR
Table 15: Register 19: Power/Loopback Register
Table 17: Register 21: Receive Error Counter
C
OUNTER
R
EGISTER
C
APABILITY
B roa dcom
R
EGISTER
Preliminary Data Sheet
Document
Mode
RW
RW
RW
RW
RW
RW
RW
RW
Mode
RW
RW
RO
RW
RW
RO
Mode
RO
AC101L-DS05-R
Default
00
0
0
0
0
0
0
0
Default
1
1
0
0
X
X
Default
0
03/10/03