DS3170N+ Maxim Integrated Products, DS3170N+ Datasheet - Page 195
![IC TXRX DS3/E3 100-CSBGA](/photos/6/94/69414/100-csbga_21-0153b_sml.jpg)
DS3170N+
Manufacturer Part Number
DS3170N+
Description
IC TXRX DS3/E3 100-CSBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3170.pdf
(230 pages)
Specifications of DS3170N+
Function
Single-Chip Transceiver
Interface
DS3, E3
Number Of Circuits
1
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
120mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LBGA
Includes
DS3 Framers, E3 Framers, HDLC Controller, On-Chip BERTs
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
- Current page: 195 of 230
- Download datasheet (3Mb)
Bits 9 to 8: Framing Error Count Control (FECC[1:0]) – These two bits control the type of framing error events
that are counted.
Bit 7: Receive Alarm Indication on LOF Enable (RAILE) – When 0, an LOF condition does not affect the receive
alarm indication signal (RAI). When 1, an LOF condition will cause the transmit E3 RDI bit to be set to one if
transmit automatic RDI is enabled.
Bit 6: Receive Alarm Indication on LOS Disable (RAILD) – When 0, an LOS condition will cause the transmit E3
RDI bit to be set to one if transmit automatic RDI is enabled. When 1, an LOS condition does not affect the RAI
signal.
Bit 5: Receive Alarm Indication on OOF Disable (RAIOD) – When 0, an OOF condition will cause the transmit
E3 RDI bit to be set to one if transmit automatic RDI is enabled. When 1, an OOF condition does not affect the RAI
signal.
Bit 4: Receive Alarm Indication on AIS Disable (RAIAD) – When 0, an AIS condition will cause the transmit E3
RDI bit to be set to one if transmit automatic RDI is enabled. When 1, an AIS condition does not affect the RAI
signal.
Bit 3: Receive Overhead Masking Disable (ROMD) – When 0, the E3 overhead positions in the outgoing E3
payload will be marked as overhead by RDEN. When 1, the E3 overhead positions in the outgoing E3 payload will
be marked as data by RDEN.
Bits 2 to 1: LOF Integration Period (LIP[1:0]) – These two bits determine the OOF integration period for
declaring LOF.
Bit 0: Force Framer Resynchronization (FRSYNC) – A 0 to 1 transition forces. an OOF condition at the next
framing word check. This bit must be cleared and set to one again to force another resynchronization. Note: The
OOF condition is created by failing the most recent four data path frame alignment word checks.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit #
Name
Default
Bits 3 to 1: Expected Payload Type (EPT[2:0]) – These three bits contain the expected value of the payload
type.
Bit 0: Timing Source Indicator Bit Extraction Disable (TIED) – When 0, the four timing source indications bits
are extracted from the last three bits of the MA byte (MA[6:8]), and stored in a register. When 1, timing source
indicator bit extraction is disabled, and the last three bits of the MA byte are integrated and stored in a register.
00 = count OOF occurrences (counted regardless of the setting of the ECC bit)..
01 = count each bit error in FA1 and FA2 (up to 16 per frame).
10 = count frame alignment word (FA1 and FA2) errors (up to one per frame).
11 = count FA1 byte errors and FA2 byte errors (up to 2 per frame).
00 = OOF is integrated for 3 ms before declaring LOF.
01 = OOF is integrated for 2 ms before declaring LOF.
10 = OOF is integrated for 1 ms before declaring LOF.
11 = LOF is declared at the same time as OOF.
15
--
--
0
7
0
14
--
--
0
6
0
E3G832.RMACR
E3 G.832 Receive MA Byte Control Register
122h
13
--
--
0
5
0
195 of 230
12
--
--
0
4
0
EPT2
11
--
0
3
0
DS3170 DS3/E3 Single-Chip Transceiver
EPT1
10
--
0
2
0
EPT0
--
9
0
1
0
TIED
--
8
0
0
0
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