DS26528G+ Maxim Integrated Products, DS26528G+ Datasheet - Page 207
DS26528G+
Manufacturer Part Number
DS26528G+
Description
IC TXRX T1/E1/J1 OCT 256-CSBGA
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.DS26528G.pdf
(276 pages)
Specifications of DS26528G+
Number Of Drivers/receivers
4/4
Protocol
IEEE 1149.1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
256-CSBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Note: All bits in this register are latched and can cause interrupts.
Bit 7: Transmit Elastic Store Full Event (TESF). Set when the transmit elastic store buffer fills and a frame is
deleted.
Bit 6: Transmit Elastic Store Empty Event (TESEM). Set when the transmit elastic store buffer empties and a
frame is repeated.
Bit 5: Transmit Elastic Store Slip Occurrence Event (TSLIP). Set when the transmit elastic store has either
repeated or deleted a frame.
Bit 4: Transmit SLC-96 Multiframe Event (TSLC96) (T1 Mode Only). When enabled by TCR2.6, this bit will set
once per SLC-96 multiframe (72 frames) to alert the host that new data may be written to the
registers. See Section
Bit 3 (T1 Mode): Transmit Pulse Density Violation Event (TPDV). Set when the transmit data stream does not
meet the ANSI T1.403 requirements for pulse density.
Bit 3 (E1 Mode): Transmit Align Frame Event (TAF). Set every 250μs to alert the host that the
E1TNAF
Bit 2: Transmit Multiframe Event (TMF). In T1 mode, this bit is set every 1.5ms on D4 MF boundaries or every
3ms on ESF MF boundaries. In E1 operation, this but is set every 2ms (regardless if CRC-4 is enabled) on transmit
multiframe boundaries. Used to alert the host that signaling data needs to be updated.
Bit 1: Loss of Transmit Clock Condition Clear (LOTCC). Set when the LOTC condition has cleared (a clock has
been sensed at the TCLK pin).
Bit 0: Loss of Transmit Clock Condition (LOTC). Set when the TCLK pin has not transitioned for approximately
3 clock periods. Will force the LOTC bit high if enabled. This bit can be cleared by the host even if the condition is
still present. LOTC will remain high while the condition exists, even if the host has cleared the status bit. If enabled
by TIM1.0, the INTB pin will transition low when this bit is set, and transition high when this bit is cleared (if no other
unmasked interrupt conditions exist).
registers need to be updated.
TESF
TESF
7
0
8.9.4.4
TLS1
Transmit Latched Status Register 1
190h + (200h x n): where n = 0 to 7, for Ports 1 to 8
TESEM
TESEM
6
0
for more information.
TSLIP
TSLIP
5
0
TSLC96
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—
4
0
TPDV
TAF
3
0
DS26528 Octal T1/E1/J1 Transceiver
TMF
TMF
2
0
LOTCC
LOTCC
1
0
T1TSLC1:T1TSLC3
E1TAF
LOTC
LOTC
0
0
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