PEB20256EV21GXP Infineon Technologies, PEB20256EV21GXP Datasheet - Page 87
PEB20256EV21GXP
Manufacturer Part Number
PEB20256EV21GXP
Description
Manufacturer
Infineon Technologies
Datasheet
1.PEB20256EV21GXP.pdf
(232 pages)
Specifications of PEB20256EV21GXP
Operating Supply Voltage (typ)
2.5/3.3V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Compliant
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4.7.1.4
Channel interrupt are divided into two subtypes:
• Receive Interrupt I and Transmit Interrupt I
• Receive Interrupt II and Transmit Interrupt II
Subtype I contains interrupts which indicate the general status of a channel. These
interrupts are not linked to a descriptor.
Subtype II contains interrupts which indicate a channel or packet status that is linked to
a descriptor. Each interrupt vector contains a descriptor ID which can be used for
tracking purposes.
Receive Interrupt I
•
ROFP
SF
IFFL
IFID
Data Sheet
ROFP SF
31
15
1
30
14
01
Channel Interrupts
B
IFFL IFID
29
13
Receive Buffer Overflow
The ’Receive Buffer Overflow’ interrupt vector is generated, when one or
more whole frames or short frames or changes of interframe time-fill
(HLDC, PPP) or data in general (TMA) has been discarded due to the
inaccessibility of the internal receive buffer.
Short Frame Detected
The ’Short Frame Detected’ interrupt vector is generated, when the
receiver detected a frame which length matches the condition defined in
CONF1.SFL.
Interframe Time-fill Flag
The ’Interframe Time-fill Flag’ interrupt vector is generated, when the
receiver detected a interframe time-fill change from FF
Interframe Time-fill Idle
The ’Interframe Time-fill Idle’ interrupt vector is generated, when the
receiver detected a interframe time-fill change from 7E
28
12
00
B
SFD
27
11
26
0
QUEUE(2:0)
0
24
0
87
0
7
0
0
CHAN(7:0)
0
Functional Description
0
H
H
PEB 20256 E
to 7E
to FF
PEF 20256 E
0
H
H
0
.
.
04.2001
0
0
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