DS3112+W Maxim Integrated Products, DS3112+W Datasheet - Page 76
![IC MUX T3/E3 3.3V 256-PBGA](/photos/6/82/68222/406-256-bga_sml.jpg)
DS3112+W
Manufacturer Part Number
DS3112+W
Description
IC MUX T3/E3 3.3V 256-PBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3112.pdf
(133 pages)
Specifications of DS3112+W
Controller Type
Framer, Multiplexer
Interface
Parallel/Serial
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
150mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
256-PBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 76 of 133
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Figure 7-1. T1LBSR1 and T1LBSR2 Status Bit Flow
7.7 T1/E1 Drop and Insert Control Register Description
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit #
Name
Default
Note: Bits that are underlined are read-only; all other bits are read-write.
Bits 0 to 4: T1/E1 Drop Port A Select Bits (DPAS0 to DPAS4).
Bits 8 to 12: T1/E1 Drop Port B Select Bits (DPBS0 to DPBS4).
These bits select which of the 28 T1 ports or 16 E1 ports (if any) should be output at either Drop Port A or Drop
Port B. If no port is selected, the LRDATA, LRCLKA, LRDATB, and LRCLKB output pins will be forced low.
DPxS4:0
00000
00001
00010
00011
00100
00101
00110
00111
Internal T1
Loopback Command
Signal from
T2/E2 Framer
Internal T1
Loopback Command
Signal from
T2/E2 Framer
Internal T1
Loopback Command
Signal from
T2/E2 Framer
No Port
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
—
—
15
—
—
7
—
—
14
—
—
01000
01001
01010
01011
01100
01101
01110
01111
6
T1E1SDP
T1/E1 Select Register for Receive Drop Ports A and B
60h
Port 8
Port 9
Port 10
Port 11
Port 12
Port 13
Port 14
Port 15
—
—
13
—
—
5
DPAS4
DPBS4
76 of 133
LLB1
(T1LBSR1
Bit 0)
LLB2
(T1LBSR1
Bit 1)
LLB28
(T1LBSR2
Bit 11)
12
4
0
0
10000
10001
10010
10011
10100
10101
10110
10111
DPAS3
DPBS3
OR
Port 16
Port 17
Port 18
Port 19
Port 20
Port 21
Port 22
Port 23
11
3
0
0
DPAS2
DPBS2
10
T1LB
(IMSR Bit 8)
2
0
0
Mask
11000
11001
11010
11011
11100
11101
11110
11111
DPAS1
DPBS1
1
0
9
0
Port 24
Port 25
Port 26
Port 27
Port 28
No Port
No Port
No Port
T1LB
Status Bit
(MSR Bit 8)
INT*
Hardware
Signal
DPAS0
DPBS0
DS3112
0
0
8
0
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