peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 74

• Manufacturer Part Number: peb20954
• Description: Smart Integrated Digital Echo Canceller Sidec
• Manufacturer: Infineon Technologies Corporation

Preliminary Data Sheet
WDG2[7:0] (Addr.: 03H) Watchdog 2
WDG2[7:0]
WDG3[7:0] (Addr.: 04H) Watchdog 3
WDG3[7:0]
PCMCTRL[3:0] (Addr.: 06H) PCM Bypass and loop Control, write protected,
Reset value = 00H
SRLOOP
RSLOOP
RBYPASS
SBYPASS
Note: If SRLOOP=’1’ and RSLOOP=’1’ only RSLOOP becomes active.
CONFPCM[7:0] (Addr.: 30H): Global Configuration of PCM outputs, write protected,
Reset value = 03H
NLPITU
NLPMOD
SOATTEN
WDG2[7] WDG2[6] WDG2[5] WDG2[4] WDG2[3] WDG2[2] WDG2[1] WDG2[0]
WDG3[7] WDG3[6] WDG3[5] WDG3[4] WDG3[3] WDG3[2] WDG3[1] WDG3[0]
NLP
ITU
-
MOD
NLP
-
For watchdog test: Must be written with the defined value 99H as
the second of the three watchdog registers within 2 seconds
For watchdog test: Must be written with the defined value 1DH as
the last of the three watchdog registers within 2 seconds
’1’: NLP comfort noise according to ITU
’0’: NLP comfort noise subjective
only if NLPITU = ’1’:
’1’: Attenuation of send path output enabled and controlled by echo
’1’: Enables the internal loop from SO signal to RI signal
’0’: Normal operation
’1’: Enables the internal loop from RO signal to SI signal
’0’: Normal operation
’1’: Bypasses the RI input directly to the RO output
’0’: Normal operation
’1’: Bypasses the SI input directly to the SO output
’0’: Normal operation
SOATT
EN
-
SOATT
MOD
-
74
’1’:output signal is band limited noise
’0’:output signal is zero, i.e. line is dead
ROATT
LOOP
SR
EN
ROATT
LOOP
MOD
RS
Register Description
BYPASS
DYN
SUB
R
PEB 20954
PEF 20954
BYPASS
INVERR
SIGN
S
04.99