peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 43

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

.
Figure 21
Table 14
1
2
3
4
5
6
7
Preliminary Data Sheet
No.
(SYNCO is only possible if
UCC interface is not used)
t_pcm_setup
t_pcm_hold
t_pcm_delay
t_pcm_ri2ro_delay
t_pcm_si2so_delay delay for bybass SI to
t_pcm_ri2so_delay
t_pcm_si2ro_delay
SYNCI
SYNCI
SCLKI
Synchronization of PCM and UCC Signal with respect to SCLKI and
PCM Signal Timing and Frame Characteristics (preliminary)
Synchronization for UCC Interface
if CONFCC.SSCLKEDGE=’0’
and PCM Signal
Parameter
PCM input (RI,SI)
input setup time before
sampling with
SCLKI
PCM input (RI,SI)
input hold time after
sampling with
SCLKI
PCM output (RO,SO)
delay after SCLKI
delay for bypass RI to
RO
SO
delay for bypass RI to
SO
delay for bypass SI to
RO
43
Synchronization for UCC Interface
if CONFCC.SSCLKEDGE=’1’
and PCM Signal
min.
15
15
0
0
0
0
0
Limit Values
CONFCC.SYNCACT = ’0’ (low active)
Operational Description
max.
30
30
30
30
30
PEB 20954
PEF 20954
Unit
ns
ns
ns
ns
ns
ns
ns
04.99