Functional Description
ISAC R -S
IOM R -2 Interface
S/T Interface
(DD)
(DU)
IDP0
IDP1
Layer-1
Functions
ADF1: IOF
(IOM R OFF)
Register: C1R/C2R
B1CR/B2CR SPCR
µP Interface
ITS02350
Figure 34
Principle of B/IC Channel Access in IOM®-2 Terminal Mode
(a) SPCR:C×C1, C×C0 = 00
B× monitoring, IC× monitoring (SQXR:IDC=0)
IOM R -2 Interface
S/T Interface
(DD)
(DU)
IDP0
IDP1
Layer-1
Functions
Bx
ICx
BxCR
CxR
µP
ITS02351
Figure 35
Access to B and IC Channels in IOM®-2 Terminal Mode
Semiconductor Group
69