psb21391 Infineon Technologies Corporation, psb21391 Datasheet - Page 87

• Manufacturer Part Number: psb21391
• Description: Siemens Codec With Upn Transceiver
• Manufacturer: Infineon Technologies Corporation

2.3.5.1.8 Example of Activation/Deactivation
An example of an activation/deactivation of the U
with the time relationships mentioned in the previous chapters is shown in figure 44.
Figure 44
Example of Activation/Deactivation Initiated by the Terminal (TE).
Activation/Deactivation under control of the internal layer-1 statemachine
Data Sheet
SPU=0, CFS=1
SPU=1
SPU=0
µC Interface
IOM-2 Interface (C/I)
DC
DI
PU
AR
RSY
AR
AI
DR
DI
DC
T1: < 10 ms time for synchronization
T2:
T3:
1 ms time for detecting INFO3/4
2 ms time for error free detection of INFO 0
TE
T1
T2
T3
77
U
PN
INFO 1W
INFO 0
INFO 2
INFO 0
INFO 1
INFO 4
INFO 3
INFO 0
INFO 0
INFO 0
Interface
PN
interface initiated by the terminal
T3
T2
LT
IOM-2 Interface (C/I)
act_deac_te_int_upn.vsd
DC
DC
DI
AR
UAI
AI
DR
DI
PSB 21391
PSB 21393
Interfaces
2001-03-07