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DS2155 Datasheet(PDF) 181 Page - Dallas Semiconductor

Part # DS2155
Description  T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface
PDF  262 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS2155 Datasheet(HTML) 181 Page - Dallas Semiconductor

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24.7 Register Definitions
The CCR2 register is used to configure the UTOPIA port address. The upper five bits of the CCR2
register contain the port address 0–31. The lower three bits are used for the backplane clock function. See
Programmable Backplane Clock Synthesizer in Section 30.
Register Name:
CCR2
Register Description:
Common Control Register 2
Register Address:
71h
Bit #
7
6
5
4
3
2
1
0
Name
TRPA4
TRPA3
TRPA2
TRPA1
TRPA0
BPCS1
BPCS0
BPEN
Default
0
0
0
0
0
0
0
0
Bit 0/BPEN. See Section 30 for more information.
Bit 1/BPCS0. See Section 30 for more information.
Bit 2/BPCS1. See Section 30 for more information.
Bits 3 to 7/Transmit and Receive Port Address 0 to 4 (TRPA0 to TRPA4). The 5-bit value in this register is
used to assign the UTOPIA interface 1 of 32 port addresses.
Register Name:
U_TCFR
Register Description:
UTOPIA Transmit Configuration Register
Register Address:
50h
Bit #
7
6
5
4
3
2
1
0
Name
—
—
—
—
—
—
TPM
TPC
Default
0
0
0
1
0
0
0
0
Bit 0/Transmit Port Configuration (TPC)
0 = T1 mode
1 = E1 mode
Bit 1/Transmit Poll Mode (TPM). Transmit UTOPIA polling mode configuration
0 = multiplexed with 1CLAV mode
1 = direct status
Bits 2 to 7/Unassigned, must be set to 0 for proper operation



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