PEF 20525 F V1.3 Infineon Technologies, PEF 20525 F V1.3 Datasheet - Page 49

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PEF 20525 F V1.3

Manufacturer Part Number
PEF 20525 F V1.3
Description
IC CTRL PPP/HDLC SERIAL TQFP-100
Manufacturer
Infineon Technologies
Datasheet

Specifications of PEF 20525 F V1.3

Function
Serial Optimized Communications Controller
Interface
ASYNC, BISYNC, HDLC, PPP
Number Of Circuits
2
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
50mA
Power (watts)
150mW
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LFQFP
Includes
Bit Processor Functions, Serial Communication Controllers (SCCs)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PEF20525FV1.3X
PEF20525FV13XP
SP000007592
PEB 20525
PEF 20525
Functional Overview
synchronization signals (clock mode 5). The last column describes the function of signal
TxCLK which in some clock modes can be enabled as output signal monitoring the
effective transmit clock or providing a time slot control signal (clock mode 5).
The following is an example of how to read
Table
8:
For clock mode 6b (row ’6b’) the TRM clock (column ’TRM’) is supplied by the baudrate
generator (BRG) output divided by 16 (source BRG/16). The BRG (column ’BRG’) is
derived from the internal oscillator which is supplied by pin XTAL1 and XTAL2.
The REC clock (column ’REC’) is supplied by the internal DPLL which itself is supplied
by the baud rate generator (column ’DPLL’) again.
Note: The REC clock is DPLL clock divided by 16.
If enabled by bit ’TOE’ in register
CCR0L
the resulting transmit clock can be monitored
via pin TxCLK (last column, row ’6b’).
Data Sheet
49
2000-09-14

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