DS32508-W Maxim Integrated, DS32508-W Datasheet - Page 79
DS32508-W
Manufacturer Part Number
DS32508-W
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS32512W.pdf
(130 pages)
Specifications of DS32508-W
Part # Aliases
90-32508-W00
- Current page: 79 of 130
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9.6 B3ZS/HDB3 Encoder Registers
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit #
Name
Default
Bit 4: Transmit Zero Suppression Encoding Disable (TZSD)
Bit 3: Excessive Zero Insert Enable (EXZI). See Section 8.2.3.
Bit 2: Bipolar Violation Insert Enable (BPVI). See Section 8.2.3.
Bit 1: Transmit Single Error Insert (TSEI). When LINE.TCR:MEIMS = 0, this bit is used to insert errors of the
type(s) specified by EXZI and BPVI in the transmit data stream. A zero-to-one transition causes a single error to be
inserted. For a second error to be inserted, this bit must be set to 0, and then back to 1. Note: If LINE.TCR:MEIMS
is low, and this bit transitions more than once between error insertion opportunities, only one error is inserted. See
Section 8.7.5.
Bit 0: Manual Error Insert Mode Select (MEIMS). This bit specifies the source of the error insertion signal for the
transmit encoder/decoder block. Note: If the TMEI pin or TSEI bit is one, changing the state of this bit may cause
an error to be inserted. See Section 8.7.5.
ADDRESS
32h–3Eh
OFFSET
30h
0 = zero suppression (B3ZS or HDB3) encoding is enabled
1 = zero suppression (B3ZS or HDB3) encoding is disabled, and only AMI encoding is performed
0 = excessive zero event (EXZ) insertion is disabled
1 = excessive zero event insertion is enabled
0 = bipolar violation (BPV) insertion is disabled
1 = bipolar violation insertion is enabled.
0 = Block-level error insertion using the LINE.TCR:TSEI control bit
1 = Port-level or global-level error insertion as specified by PORT.CR1:MEIMS
15
—
—
0
7
0
REGISTER
LINE.TCR
—
14
—
—
0
6
0
LINE.TCR
B3ZS/HDB3 Transmit Control Register
n * 80h + 30h
B3ZS/HDB3 Transmit Control Register
Unused
13
—
—
0
5
0
REGISTER DESCRIPTION
TZSD
79 of 130
12
—
0
4
0
EXZI
11
—
0
3
0
BPVI
10
—
0
2
0
DS32506/DS32508/DS32512
TSEI
—
9
0
1
0
MEIMS
—
8
0
0
0
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