psf21911 ETC-unknow, psf21911 Datasheet - Page 161

• Manufacturer Part Number: psf21911
• Description: Isdn Echocancellation Circuit Terminal Applications Iec-q
• Manufacturer: ETC-unknow

Semiconductor Group
U-Transceiver State Diagram
Figure 68 U-Transceiver State Diagram
Any State
Pin-SSP or
Pin-RES or
SSP or RES
T14 S
T7E
& DI
LSU or (/LOF
& T13E)
SN0/SP
SN3T
SN0
SN
SN
SN0
Pend. Receive Res.
SN
Analog Loop Back
Pending Timing
EC-Training AL
Wait for SF AL
Receive Reset
1
3
Any State
Pin-DT or DT
0
ARL
DI
Test
EI1
DC
DR
DC
DC
DR
AR
T7S
T 14 S
T12S
LSEC or T12E
BBD1 & SFD
act = 0
act = 0
.
.
.
.
.
T13S
T7S
TL
T14 E
T14 S
TL
LSUE
or T1E
act = 0
T1S,
T11S
T1E
LOF
LOF
LOF
LOF
EI 1
EI1
DI
SN3/SN3T
SN3/SN3T
SN3/SN3T
SN3T
SN3T
SN
SN0
SN1
SN0
SN2
TN
DC
IOM
T11E
Synchronized 2
Synchronized 1
0
EQ-Training
Transparent
Deactivated
EC-Training
Wait for Act
Wait for SF
161
act = 1
Error S/T
R
AR/ARL
AR/ARL
AR/ARL
Alerting
AI/AIL
DC
PU
DC
DC
DC
DC
Awaked
TIM or DIN = 0
AR or TL
T12S
LSEC or T12E
BBD0 & FD
BBD0 & SFD
act = 1 & AI
LOF
uoa = 1
AI
act = 0
act = 0
act = 1
act = 1
act = 0
PU
.
.
.
.
.
.
act = 0
AR or TL
T1S,
T11S
dea = 0
LSUE
uoa = 0
dea = 0
LSUE
uoa = 0
dea = 0
LSUE
uoa = 0
dea = 0
LSUE
dea = 0
uoa = 0
LSUE
LOF
DI
DI
SN3T
SN
SN
TN
DI
LSUE
Pend. Deact. S/T
T11E
Pend. Deact. U
1
EC-Training 1
3
Alerting
DR
DR
DR
DC
(LSEC or T12E)
& DI
LSU
T12S
uoa = 1
1
act = 1/0
?
act = 1
dea = 0
dea = 1
.
.
Yes
No
ITD09705
T1S,
T11S
PSB 21911
PSF 21911
Appendix
11.97