參數資料
型號: T9000
英文描述: ISDN Network Termination Node (NTN) Device
中文描述: ISDN網絡終端節(jié)點(新界北)設備
文件頁數: 72/126頁
文件大?。?/td> 2127K
代理商: T9000
72
Lucent Technologies Inc.
Preliminary Data Sheet
November 2000
ISDN Network Termination Node (NTN) Device
T9000
10 GCI+ Interface Module
(continued)
10.1 TDM Mode (GCCF, GMODE[1:0] = 1x)
(continued)
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.
5-6720 (F)
Figure 15. NTN/T8503 Glueless TDM Interconnection
DCL
PFS1
PFS2
PFS1
PFS2
PFS1
PFS2
PFS1
PFS2
0
1
2
3
4
5
6
7
0
1
0
BCLK
1
SYNC
2
BITSLOT
2
CHANNELSLOT
2
FSC
1
A
B
C
D
T8503
DUAL CODEC
NTN
(GMODE = 1x)
(GRATE = 11)
(CKMODE = 1)
(PFSPE = 1)
(PFSDEL = 0)
(GDRIVER = 1)
FSX0
FSR0
DR
MCLK
DX
FSR1
FSX1
PFS1
DD
DCL
DU
PFS2
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