Maxim Integrated DS21Q55 User Manual
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Register Name:
ESIB1
Register Description:
Extended System Information Bus Register 1
Register Address:
B2h
Bit #
7
6
5
4
3
2
1
0
Name
DISn
DISn
DISn
DISn
DISn
DISn
DISn
DISn
Default
0
0
0
0
0
0
0
0
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:
ESIB2
Register Description:
Extended System Information Bus Register 2
Register Address:
B3h
Bit #
7
6
5
4
3
2
1
0
Name
DRLOSn
DRLOSn
DRLOSn
DRLOSn
DRLOSn
DRLOSn
DRLOSn
DRLOSn
Default
0
0
0
0
0
0
0
0
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:
ESIB3
Register Description:
Extended System Information Bus Register 3
Register Address:
B4h
Bit #
7
6
5
4
3
2
1
0
Name
UST1n
UST1n
UST1n
UST1n
UST1n
UST1n
UST1n
UST1n
Default
0
0
0
0
0
0
0
0
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:
ESIB4
Register Description:
Extended System Information Bus Register 4
Register Address:
B5h
Bit #
7
6
5
4
3
2
1
0
Name
UST2n
UST2n
UST2n
UST2n
UST2n
UST2n
UST2n
UST2n
Default
0
0
0
0
0
0
0
0
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.