DS3148 Maxim Integrated Products, DS3148 Datasheet - Page 52

• Manufacturer Part Number: DS3148
• Description: IC 8CH DS3/3 FRAMER 349-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS3148

• Controller Type: DS3/E3 Framer
• Interface: LIU
• Voltage - Supply: 3.135 V ~ 3.465 V
• Current - Supply: 640mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 349-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 31: BERT Repetitive Pattern (RP[31:0]). These registers must be configured for the BERT to properly
generate and synchronize to a repetitive pattern or an alternating word pattern. For an alternating word pattern, the
first word to be transmitted should be placed into RP[15:0], and the second word should be placed into RP[31:16].
In the first word, RP0 is the LSB and is transmitted first. In the second word, RP16 is the LSB and is transmitted
first. For repetitive patterns, RP0 is the LSB and is transmitted first, while the MSB is determined by the repetitive
pattern length, RPL[3:0].
An alternating word example: To use the DDS stress pattern “7E,” set BRPR1 = BRPR2 = 00h, BRPR3 = BRPR4 =
7Eh. When AWC[7:0] is set to 49 (decimal), the BERT sends and detects (49 + 1) x 2 = 100 bytes of 00h followed
by 100 bytes of 7Eh.
RP15
RP23
RP31
RP7
7
0
7
0
7
0
7
0
RP14
RP22
RP30
RP6
6
0
6
0
6
0
6
0
BRPR3
BERT Repetitive Pattern Register 3
3Eh
BRPR1
BERT Repetitive Pattern Register 1 (lower byte)
3Ch
BRPR2
BERT Repetitive Pattern Register 2
3Dh
BRPR4
BERT Repetitive Pattern Register 4 (upper byte)
3Fh
RP13
RP21
RP29
RP5
5
0
5
0
5
0
5
0
52 of 89
RP12
RP20
RP28
RP4
0
0
0
0
4
4
4
4
RP11
RP19
RP27
RP3
3
0
3
0
3
0
3
0
RP10
RP18
RP26
RP2
2
0
2
0
2
0
2
0
RP17
RP25
RP1
RP9
1
0
1
0
1
0
1
0
RP16
RP24
RP0
RP8
0
0
0
0
0
0
0
0