DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 207

• Manufacturer Part Number: DS21455
• Description: Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
• Manufacturer: Maxim Integrated Products

Specifications of DS21455

• Product: Framer
• Number Of Transceivers: 4
• Data Rate: 64 Kbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 328 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: BGA

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 7/Device Interrupt Status (DISn). Causes all devices participating in the ESIB group to output their interrupt status
on the appropriate data bus line selected by the ESIBSEL0 to ESIBSEL2 bits of the ESIBCR1 register.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 7/Device Receive Loss of Sync (DRLOSn). Causes all devices participating in the ESIB group to output their frame
synchronization status on the appropriate data bus line selected by the ESIBSEL0 to ESIBSEL2 bits of the ESIBCR1 register.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 7/User-Selected Status 1 (UST1n). Causes all devices participating in the ESIB group to output status or alarms as
selected by the ESI3SEL0 to ESI3SEL2 bits in the ESIBCR2 configuration register on the appropriate data bus line selected by
the ESIBSEL0 to ESIBSEL2 bits of the ESIBCR2 register.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 7/User-Selected Status 2 (UST2n). Causes all devices participating in the ESIB group to output status or alarms as
selected by the ESI4SEL0 to ESI4SEL2 bits in the ESIBCR2 configuration register on the appropriate data bus line selected by
the ESIBSEL0 to ESIBSEL2 bits of the ESIBCR2 register.
DRLOSn
UST1n
UST2n
DISn
7
0
7
0
7
0
7
0
DRLOSn
UST1n
UST2n
ESIB1
Extended System Information Bus Register 1
B2h
ESIB2
Extended System Information Bus Register 2
B3h
ESIB3
Extended System Information Bus Register 3
B4h
ESIB4
Extended System Information Bus Register 4
B5h
DISn
6
0
6
0
6
0
6
0
DRLOSn
UST1n
UST2n
DISn
5
0
5
0
5
0
5
0
DRLOSn
UST1n
UST2n
DISn
4
0
4
0
4
0
4
0
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DRLOSn
UST1n
UST2n
DISn
3
0
3
0
3
0
3
0
DRLOSn
UST1n
UST2n
DISn
2
0
2
0
2
0
2
0
DRLOSn
UST1n
UST2n
DISn
1
0
1
0
1
0
1
0
DRLOSn
UST1n
UST2n
DISn
0
0
0
0
0
0
0
0