PEF 20525 F V1.3 Infineon Technologies, PEF 20525 F V1.3 Datasheet - Page 145

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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
Data Sheet
DIV
ODS
ICD
RTS
Data Inversion
This bit is only valid if NRZ data encoding is selected via bit field SC(2:0)
in register CCR0H.
DIV=’0’
DIV=’1’
Output Driver Select
The transmit data output pin TxD can be configured as push/pull or open
drain output chracteristic.
ODS=’0’
ODS=’1’
Invert Carrier Detect Pin Polarity
ICD=’0’
ICD=’1’
Request To Send Pin Control
The request to send pin RTS can be controlled by SEROCCO-H as an
output autonomously or via setting/clearing bit ’RTS’.
This bit is not valid in clock mode 4.
RTS=’0’
RTS=’1’
No Data Inversion.
Data is transmitted/received inverted (on a per bit basis).
In HDLC and HDLC Synchronous PPP modes the
continuous ’1’ idle sequence is NOT inverted. Thus it is
recommended to select the flag sequence for interframe
time fill transmission (CCR2H:ITF = ’1’), which is inverted.
TxD pin is open drain output.
TxD pin is push/pull output.
Carrier Detect (CD) input pin is active high.
Carrier Detect (CD) input pin is active low.
Pin RTS (output) pin is controlled by SEROCCO-H
autonomously.
RTS is activated during transmission. In bus configuration
mode the functionality depends on bit field ’SOC’ setting.
Note: For autonomous RTS pin control a transmit clock is
Pin RTS can be controlled by software. The output level of
this pin depends on bit ’FRTS’.
necessary.
5-145
Register Description (CCR1H)
PEB 20525
PEF 20525
2000-09-14

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