T9000
Preliminary Data Sheet
November 2000
ISDN Network Termination Node (NTN) Device
10 GCI+ Interface Module (continued)
10.1 TDM Mode (GCCF, GMODE[1:0] = 1x) (continued)
DCL
BCLK1
SYNC2
BITSLOT2
CHANNELSLOT2
FSC1
?
?
0
1
2
3
4
5
6
7
0
?
0
1
PFS1
A
PFS2
PFS1
B
PFS2
PFS1
C
PFS2
PFS1
D
PFS2
5-6719 (F)
1. Only present if programmed on GPAF1 register.
2. Not outputs. Shown only for reference.
Note: GKMODE = 1; OFF1 = 0; OFF2 = 1.
Key:
A: PFSDEL = 0 and PFSPE = 0.
B: PFSDEL = 0 and PFSPE = 1.
C: PFSDEL = 1 and PFSPE = 0.
D: PFSDEL = 1 and PFSPE = 1.
?: Don’t care.
Figure 14. GCI+ Interface, TDM Mode Timing, Single Clock Mode: GCCF[CKMODE] = 1, GCCF[GMODE(1)] = 1
The figure below shows an example of how a codec with a TDM interface would be connected to an NTN device.
The codec shown is the Lucent T8503 dual codec. The correct register settings are shown in the NTN block.
FSX0
FSR0
DR
PFS1
DD
NTN
(GMODE = 1x)
(GRATE = 11)
(CKMODE = 1)
(PFSPE = 1)
(PFSDEL = 0)
(GDRIVER = 1)
T8503
DUAL CODEC
MCLK
DCL
DU
DX
FSR1
FSX1
PFS2
5-6720 (F)
Figure 15. NTN/T8503 Glueless TDM Interconnection
72
Lucent Technologies Inc.
AGERE [ AGERE SYSTEMS ]
