PEF 20525 F V1.3 Infineon Technologies, PEF 20525 F V1.3 Datasheet - Page 220

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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
After transmission is complete, the optional generation of the ALLS interrupt indicates
that all transmit data has been sent on pin TxD.
Note: In HDLC Automode, the ’XF’ command may be replaced by the ’XIF’ command in
Figure 55
Data Sheet
Packet n:
Packet (n+1):
End (TDTE) interrupt is generated whenever a block of <XBC> bytes is completely
transferred. For the last buffer, containing the end of the transmit packet, the ’XF’
command is issued together with bit ’XME’ set (refer to
(write transmit byte count with command
the same register, when transmission of an I-frame is desired.
(prepare external DMA controller
(prepare external DMA controller
DMA Transmit (Single Buffer per Packet)
(write transmit byte count with
<XBC> transmit data
with buffer base address)
with buffer base address)
command bit 'XF'+'XME')
ALLS interrupt (optional)
DMA transfer of
CPU / MEMORY
TDTE interrupt
bit 'XF'+'XME')
bytes
220
...
...
SEROCCO-H
XBC
TFIFO
TFIFO
TFIFO
XBC
Figure
56).
Programming
PEB 20525
PEF 20525
2000-09-14

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