PEF 20525 F V1.3 Infineon Technologies, PEF 20525 F V1.3 Datasheet - Page 223

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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
Figure 57
Figure 58
prepared receive buffers in memory. In this case the length of the received packet is 199
bytes, each of the buffers in host memory is 128 bytes deep:
Data Sheet
Packet 0:
Packet 1:
shows an example for fragmented reception of a packet larger than the
DMA Receive (Single Buffer per Packet)
(p re pare e xte rna l D M A co ntroller
w ith re ceive bu ffe r start ad dress)
(p rep are e xterna l D M A con tro ller
w ith receive bu ffer start ad dre ss)
CPU / MEMORY
(set m ax. receive bu ffer size
and issu e 'R E ' co m m a nd)
D M A transfer of all
(is sue 'R M C ' com m a nd )
re ceive da ta bytes
(re ad R B C register)
R D T E inte rrup t
223
...
...
SEROCCO-H
R M B S
R F IF O
R F IF O
R F IF O
R B C
C M D R
Programming
PEB 20525
PEF 20525
2000-09-14

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