Ambassador T8100A, T8102, and T8105
H.100/H.110 Interfaces and Time-Slot Interchangers
Advance Data Sheet
November 1999
2 Architecture and Functional Description (continued)
2.2 Local Bus Section (continued)
2.2.3 Data Rates and Time-Slot Allocation (continued)
STREAM STREAM
0—3 4—7
STREAM STREAM
8—11 12—15
STREAM STREAM
0—3 4—7
STREAM
8—11
STREAM
12—15
STREAM
12—15
TIME SLOT 0
TIME SLOT 0 TIME SLOT 0
TIME SLOT 1 TIME SLOT 1
TIME SLOT 2 TIME SLOT 2
TIME SLOT 0
TIME SLOT 0 TIME SLOT 0 TIME SLOT 1
TIME SLOT 1 TIME SLOT 2 TIME SLOT 3
TIME SLOT 2 TIME SLOT 4 TIME SLOT 5
TIME SLOT 1
TIME SLOT 2
(USED FOR GROUP C)
TIME SLOT 1
64 TIME SLOTS
GROUP A,
ALL
GROUP
B,
GROUP
C,
64 TIME SLOTS
GROUP A,
ALL
GROUP
B,
GROUP
C,
EVEN
TIME
SLOTS
TIME
ALL
ALL
TIME
ALL
SLOTS
TIME
SLOTS
TIME
SLOTS
SLOTS
TIME
SLOTS
GROUP A AT 4.096 Mbits/s
GROUP B AT 4.096 Mbits/s
GROUP C AT 4.096 Mbits/s
GROUP A AT 2.048 Mbits/s
GROUP B AT 4.096 Mbits/s
GROUP C AT 8.192 Mbits/s
5-6106F
Figure 7. Local Memory (T8100A, T8105 Only), Fill Patterns (continued)
In any of the parallel modes (S/P, P/S, P/P), the local memories (T8100A, T8105 only) treat parallel data as a
series of sequential time slots (i.e., all one stream): 8.192 Mbits/s corresponds to 1024 time slots, 4.096 Mbits/s
corresponds to 512 time slots, and 2.048 Mbits/s corresponds to 256 time slots. The memory locations are
scanned in order from 0 to 1023 at 8.192 Mbits/s, even locations are scanned at 4.096 Mbits/s (odd locations are
skipped), and at 2.048 Mbits/s, every second even location is scanned.
Lucent Technologies Inc.
27
AGERE [ AGERE SYSTEMS ]
