ds265188-port-t1-e1-j1-transc Maxim Integrated Products, Inc., ds265188-port-t1-e1-j1-transc Datasheet - Page 131
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ds265188-port-t1-e1-j1-transc
Manufacturer Part Number
ds265188-port-t1-e1-j1-transc
Description
Ds26518 8-port T1/e1/j1 Transceiver
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS265188-PORT-T1-E1-J1-TRANSC.pdf
(313 pages)
- Current page: 131 of 313
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Register Name:
Description:
Register Address:
Bit #
Name
Default
Bits 7 and 6: Interleave Bus Operation Mode Select 1 and 0 (IBOMS[1:0]). These bits determine the
configuration of the IBO (interleaved bus) multiplexer and inform the framers of the IBO configuration. These bits
should be used in conjunction with the Rx and Tx IBO control registers within each of the framer units. These bits
control Channels 1 to 8. Additional information concerning the IBO multiplexer is given in Section 9.8.2. These bits
must be set whether using the internal IBO mux or externally ganging the pins.
Bits 5 and 4: Backplane Clock Select 1 and 0 (BPCLK[1:0]). These bits determine the clock frequency output on
the BPCLK1 pin.
Bit 2: Receive Frame/Multiframe Sync Select (RFMSS). This bit controls the function of all eight
RMSYNCn/RFSYNCn pins.
Bit 1: Transmit Channel Block/Clock Select (TCBCS). This bit controls the function of all eight
TCHBLKn/TCHCLKn pins.
Bit 0: Receive Channel Block/Clock Select (RCBCS). This bit controls the function of all eight
RCHBLKn/RCHCLKn pins.
BPCLK1
IBOMS1
0
0
1
1
0
0
1
1
0 = RMSYNC/RFSYNC[8:1] pins output RFSYNC[8:1] (Receive Frame Sync)
1 = RMSYNC/RFSYNC[8:1] pins output RMSYNC[8:1] (Receive Multiframe Sync)
0 = TCHBLK/TCHCLK[8:1] pins output TCHBLK[8:1] (Transmit Channel Block)
1 = TCHBLK/TCHCLK[8:1] pins output TCHCLK[8:1] (Transmit Channel Clock)
0 = RCHBLK/RCHCLK[8:1] pins output RCHBLK[8:1] (Receive Channel Block)
1 = RCHBLK/RCHCLK[8:1] pins output RCHCLK[8:1] (Receive Channel Clock)
IBOMS1
7
0
BPCLK0
IBOMS0
0
1
0
1
0
1
0
1
IBOMS0
GFCR1
Global Framer Control Register 1
00F1h
6
0
IBO disabled.
2 devices on bus (4.096MHz).
4 devices on bus (8.192MHz).
8 devices on bus (16.384MHz).
BPCLK1 Frequency
BPCLK1
16.384MHz
5
0
IBO Mode
2.048MHz
4.096MHz
8.192MHz
BPCLK0
131 of 313
4
0
—
3
0
DS26518 8-Port T1/E1/J1 Transceiver
RFMSS
2
0
TCBCS
1
0
RCBCS
0
0
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