Datasheet

DS2155
189 of 238
Register Name:
ESIBCR2
Register Description:
Extended System Information Bus Control Register 2
Register Address:
B1h
Bit # 7 6 5 4 3 2 1 0
Name — ESI4SEL2 ESI4SEL1 ESI4SEL0 — ESI3SEL2 ESI3SEL1 ESI3SEL0
Default 0 0 0 0 0 0 0 0
Bits 0 to 2/Address ESI3 Data Output Select (ESI3SEL0 to ESI3SEL2). These bits select what status is to be
output when the DS2155 decodes an ESI3 address during a bus read operation.
ESI3SEL2 ESI3SEL1 ESI3SEL0
Status Output
(T1 Mode)
Status Output
(E1 Mode)
0 0 0 RBL RUA1
0 0 1 RYEL RRA
0 1 0 LUP RDMA
0 1 1 LDN V52LNK
1 0 0 SIGCHG SIGCHG
1 0 1 ESSLIP ESSLIP
1 1 0 — —
1 1 1 — —
Bit 3/Unused, must be set to 0 for proper operation
Bits 4 to 6/Address ESI4 Data-Output Select (ESI4SEL0 to ESI4SEL2). These bits select what status is to be
output when the DS2155 decodes an ESI4 address during a bus read operation.
ESI4SEL2 ESI4SEL1 ESI4SEL0
Status Output
(T1 Mode)
Status Output
(E1 Mode)
0 0 0 RBL RUA1
0 0 1 RYEL RRA
0 1 0 LUP RDMA
0 1 1 LDN V52LNK
1 0 0 SIGCHG SIGCHG
1 0 1 ESSLIP ESSLIP
1 1 0 — —
1 1 1 — —
Bit 7/Unused, must be set to 0 for proper operation