PEB20256EV21GXP Infineon Technologies, PEB20256EV21GXP Datasheet - Page 61
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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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branches to a new descriptor it reads the link and packet information entirely and stores
it in its on-chip channel database.
Table 4-2
HOLD
Data Sheet
DWORD
DWORD
ADDR.
ADDR.
0C
0C
00
04
08
00
04
08
H
H
H
H
H
H
H
H
FE
31
15
0
Receive Descriptor Structure
HOLD RHI
Hold indication
HOLD indicates that a descriptor is the last element of a linked list
containing valid information.
0
1
Note: When repolling a descriptor the MUNICH256 checks the HOLD
30
14
C
29
13
0
Next descriptor is available in the shared memory. After checking
the HOLD bit the data management unit branches to the next
receive descriptor.
This descriptor is the last one that is available for a channel. This
means that the data section where this descriptor points to is the
last data section which is available for data storage. After
processing of descriptor has finished, the data management unit
repolls the descriptor one time to check if HOLD has already
been cleared. If HOLD is still set the corresponding receive
channel is deactivated as long as the system CPU does not
request a new activation via a ’Receive Hold Reset’ command or
forces the MUNICH256 to branch to a new linked list via a
’Receive Abort/Branch’ command.
bit and the bit field NextReceiveDescriptorPointer. All other
information are NOT updated in the internal channel database.
28
12
OFFSET(2:0)
0
NextReceiveDescriptorPointer(31:2)
27
11
0
ReceiveDataPointer(31:2)
NextReceiveDescriptorPointer(31:2)
26
10
0
ReceiveDataPointer(31:2)
25
0
0
9
61
BNO(15:0)
NO(15:0)
24
0
0
8
23
0
0
7
22
0
0
6
21
0
5
Functional Description
MFL RFOD CRC ILEN RAB
20
4
DescriptorID(5:0)
19
3
PEB 20256 E
PEF 20256 E
18
2
17
1
0
0
04.2001
16
0
0
0
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