PEF 20532 F V1.3 Infineon Technologies, PEF 20532 F V1.3 Datasheet - Page 150

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PEF 20532 F V1.3

Manufacturer Part Number
PEF 20532 F V1.3
Description
IC COMM CTRLR 2CH SER TQFP-100
Manufacturer
Infineon Technologies
Datasheet

Specifications of PEF 20532 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
Automatic Flag Detection and Transmission, Baud Rate Generator, On-Chip Clock Generation, Receive Line Status Detection
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PEF20532FV1.3X
PEF20532FV13XP
SP000007511
Data Sheet
HUNT
RFRD
RRES
Enter Hunt State Command
Self-clearing command bit:
HUNT=’1’
Receive FIFO Read Enable Command
Self-clearing command bit:
RFRD=’1’
Receiver Reset Command
Self-clearing command bit:
RRES=’1’
This command forces the receiver to enter its ’HUNT’
state immediately. Thus synchronization is ’lost’ and the
receiver starts searching for new SYNC characters.
This command forces insertion of a ’block end’ condition
into the RFIFO before the receive FIFO threshold is
exceeded or a block end condition (termination character
detected or time-out) is fulfilled. The execution of this
command is reported with a TCD interrupt.
The SCC receive FIFO is cleared and the receiver
protocol engines are reset to their initial state.
The SCC receive FIFO accepts new receive data from the
protocol engine immediately after receiver reset
procedure.
It is recommended to disable data reception before
issuing a receiver reset command by setting bit
CCR3L.RAC = ’0’ and enabling data reception afterwards.
A ’receiver reset’ command is recommended after all
changes in protocol mode configurations (switching
between the protocol engines HDLC/ASYNC/BISYNC or
sub-modes of HDLC).
5-150
Register Description (CMDRH)
(async/bisync modes)
(bisync mode)
PEB 20532
PEF 20532
(all modes)
2000-09-14

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