peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 14

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

Preliminary Data Sheet
2.2
Table 1
Pin No. Symbol
Table 2
Pin No. Symbol
111
126
123
130
119
117
114
112
113
112
113
PORES
MODE1
MODE0
MODE1
MODE0
CTRL32
SCLKI
SCLKO
CLK4O
CLK32SEL
CLK32
Pin Definitions and Functions
General Pins
Synchronization
Input (I)
Output (O)
Pull Up /
Pull Down
I, PU
I, PU
I, PU
I, PU
I, PU
I/O, PU/PD
I, PU
I, PU
O
I, PU
O
O
Function
Power On Reset. A low on this pin forces all
registers and counters to predefined values
1
1
0
1
Function
derived:
’1’: SCLKO will be derived from CLK32 by
dividing by 4
’0’: SCLKO will be derived from CLK16 by
dividing by 2
32.768 MHz Operating Clock for the SIDEC
Clock VCO, maskable for reduced power
consumption
UCCI
or CLK16 is selectable via pin CLK32SEL,
maskable for reduced power consumption
circuits, derived from SCLKI, maskable for
reduced power consumption
Selects from which source SCLKO will be
Control voltage for the 32.768 MHz operating
System clock input (8.192 MHz) for PCM- and
8.192 MHz system clock output, source CLK32
4.096 MHz system clock output for subsequent
14
End delay <
64ms
End delay <
128 ms Master
Mode
1
0
0
0
Pin Descriptions
For future use
End delay <
128 ms Slave
Mode
PEB 20954
PEF 20954
04.99