
Preliminary Information
MT9075B
41
Table 31 - Receive Equalization Control Word
(Page 02H, Address 19H)
Bit
Name
Functional Description
7
REDBL
(0)
Receive Equalizer Auto Mode
Disable.
If
one,
equalizer is turned off from the auto
mode. If zero, the receive equalizer
is turned on and will compensate for
loop length automatically.
the
receive
6
REMID
(0)
Receive Equalization Mid-range.
If one and REDBL is one, the one-
stage equalization is enabled, which
provides approximately 6 dB of
gain. If zero, REDBL or REMAX will
control the receive equalization.
5
REMAX
(0)
Receive Equalization Maximum.
If
one, REDBL is one and REMID is
zero, the two-stage equalization is
enabled,
which
approximately 12 dB of gain. If zero,
REDBL or REMID will control the
receive equalization.
provides
4 - 0
---
Unused.
Bit
Name
Functional Description
7
--
6
CPLA6
(0)
Sign bit.
Normalized to a positive
going one, when CPLAt6 is one
then the CPLA0-CPLA5 coefficient
corresponds to a positive level.
When CPLA6 is zero the coefficient
is taken to indicate a negative level.
5 - 0
CPLA5-
CPLA0
(000000)
Table 32 - Custom Pulse Level 1
(Page 2, Address 1CH)
Pulse shape coefficient for the first
time slot (within one bit cell). CPLA5
is the MSB.
Bit
Name
Functional Description
7
--
6
CPLB6
(0)
Sign bit.
Normalized to a positive
going one, when CPLB6 is one then
the
CPLB0-CPLB5
corresponds to a positive level.
When CPLB6 is zero the coefficient
is taken to indicate a negative level.
coefficient
5 - 0
CPLB5-
CPLB0
(000000)
Table 33 - Custom Pulse Level 2
(Page 2, Address 1DH)
Pulse shape coefficient for the
second time slot (within one bit cell).
CPLB5 is the MSB
Bit
Name
Functional Description
7
--
6
CPLC6
(0)
Sign bit.
Normalized to a positive
going one, when CPLC6 is one then
the
CPLC0-CPLC5
corresponds to a positive level.
When CPLA6 is zero the coefficient
is taken to indicate a negative level.
coefficient
5 - 0
CPLC5-
CPLC0
(000000)
Table 34 - Custom Pulse Level 1
(Page 2, Address 1CH)
Pulse shape coefficient for the third
time slot (within one bit cell). CPLC5
is the MSB.
Bit
Name
Functional Description
7
--
6
CPLD6
(0)
Sign bit.
Normalized to a positive
going one, when CPLD6 is one then
the
CPLD0-CPLD5
corresponds to a positive level.
When CPLD6 is zero the coefficient
is taken to indicate a negative level.
coefficient
5 - 0
CPLD5-
CPLD0
(000000)
Table 35 - Custom Pulse Level 4
(Page 2, Address 1FH)
Pulse shape coefficient for the
fourth time slot (within one bit cell)