Ambassador T8100A, T8102, and T8105
H.100/H.110 Interfaces and Time-Slot Interchangers
Advance Data Sheet
November 1999
3 Using the TSI Devices (continued)
3.2 Device Settings
3.2.1 Architecture
Table 66. Device Identification Register, 0xFE
Version device identification always identifies the physical device type.
Reg
R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
REV_ID
R
Device Identification Number
Device Version Number
Name
Bit
Description
REV_ID
Device
Identification
Number
7—4 Read only.
0000
0001
0010
0011—0100
0101
=
=
=
=
=
=
T8100A.
(Reserved)
T8102.
(Reserved)
T8105.
0110—1111
(Reserved)
REV_ID
Device
Version
Number
3—0 Read only.
Rev_ID = 0001,
Rev_ID = 0010,
=
=
Version 1.
Version 2, etc.
Table 67. GMODE: Global Mode Register, 0xFF
Readback of GMODE returns all 8 bits. Device type and function are determined by bits 3:0. Bits 7:4 are writable
(bits returned on readback reflect what the user should have them set to for the various modes), bit 4 is reserved.
Reg
R/W
Bit 7
Bit 6
Bit 5
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
EMUL[3:0]
GMODE R/W Mode Emulation 2 & 1 (ME2 & ME1) Subrate Enable (SE) RES
Name Bit
Description
ME[2:1] 7—6 Read/write. Only the T8105 can be written to emulate either a T8102 or a T8100A.
ME[2:1] = 00, T8105.
= 01, T8102, 512 connections (no local connections).
= 10, T8100A, converts 512 connections to 256 connections.
= 11, (Reserved)
ME[2:1]
ME[2:1]
ME[2:1]
SE
5
4
Read/write.
SE = 0, Subrate disabled.
SE = 1, Subrate enabled.
RES
Reserved bit position. Read/write.
EMUL 3—0 Read only. Changing the emulation is reflected in the lower 4 bits of the GMODE. The DIR is not
changed.
EMUL = 0000,
EMUL = 0001,
(Reserved)
(Reserved)
EMUL = 0010,
EMUL = 0011,
EMUL = 0100—0110,
EMUL = 0111,
T8100A emulation mode.
T8105 (512 connections).
(Reserved)
T8102 emulation mode.
EMUL = 1000—1100,
EMUL = 1101,
EMUL = 1111,
(Reserved)
T8102.
(Reserved)
70
Lucent Technologies Inc.
AGERE [ AGERE SYSTEMS ]
