PEF 20532 F V1.3 Infineon Technologies, PEF 20532 F V1.3 Datasheet - Page 147
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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
1.PEB_20532_F_V1.3.pdf
(282 pages)
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
PEF20532FV13XP
SP000007511
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Data Sheet
For a write access to the register, the new value gets OR’ed with the current register
contents.
The ’CEC’ bit in register
STI
TRES
XIF
Start Timer Command
Self-clearing command bit:
HDLC Automode:
In HDLC Automode the timer is used internally for the autonomous
protocol support functions. The timer is started automatically by the SCC
when an I-Frame is sent out and needs to be acknowledged.
If the ’STI’ command is issued by software:
STI=’1’
All protocol modes except HDLC Automode:
In these modes the timer is operating as a general purpose timer.
STI=’1’
Timer Reset
Self-clearing command bit.
This bit deactivates timer operation:
TRES=’0’
TRES=’1’
Transmit I-Frame
Self-clearing command bit.
This command bit is significant in HDLC Automode only.
XIF=’1’
STARL/STARH
An S-Frame with poll bit set is sent out and the internal
timer is started expecting an acknowledge from the
remote station via an I- or S-Frame.
The timer is stopped after receiving an acknowledge
otherwise the timer expires generating a timer interrupt.
Note: In HDLC Automode, bit ’TMD’ in register
This commands starts timer operation.
The timer can be stopped by setting bit ’TRES’.
Note: Bit ’TMD’ in register
Timer operation enabled.
Timer operation stopped.
Initiates the transmission of an I-frame in auto-mode.
Additional to the opening flag, the address and control
fields of the frame are added by SEROCCO-M.
must be set to ’1’
proper operation
is the OR-function over all command bits.
5-147
Register Description (CMDRH)
TIMR3
must be cleared for
PEB 20532
PEF 20532
(hdlc mode)
(all modes)
(all modes)
2000-09-14
TIMR3
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