peb20534 Infineon Technologies Corporation, peb20534 Datasheet - Page 69

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peb20534

Manufacturer Part Number
peb20534
Description
Dma Supported Serial Communication Controller With 4 Channels
Manufacturer
Infineon Technologies Corporation
Datasheet

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Table 13
for both little endian mode and big endian mode. Of course, the total number of valid
bytes depends on the ’NO’ bit field value in the corresponding transmit descriptor.
Table 13
ADD
00
01
10
11
Example A: NO = 3
00
Example B: NO = 2
01
Example C: NO = 8
10
Example D: NO = 1
11
Data Sheet
Valid Bytes
4, if NO > 3
3, if NO > 2
2, if NO > 1
1, if NO > 0
Number of
shows how many bytes can be valid in the first 32-bit word depending on ADD
Meaning of ADD in Little/Big Endian Mode
3
2
2
4
2
1
byte 3 byte 2 byte 1 byte 0 byte 0 byte 1 byte 2 byte 3
byte 2 byte 1 byte 0
byte 1 byte 0
byte 0
byte 1 byte 0
byte 5 byte 4 byte 3 byte 2 byte 2 byte 3 byte 4 byte 5
byte 0
-
-
-
11
Little Endian (Intel)
byte 2 byte 1 byte 0 byte 0 byte 1 byte 2
byte 1 byte 0
-
-
-
10
byte 7 byte 6 byte 6 byte 7
69
-
-
-
-
01
DMA Controller and Central FIFOs
-
-
-
-
-
-
00
-
-
-
-
-
-
Big Endian (Motorola)
11
byte 0 byte 1 byte 2
byte 0 byte 1
-
-
-
-
10
byte 0 byte 1
byte 0 byte 1
PEB 20534
PEF 20534
-
-
-
01
2000-05-30
byte 0
byte 0
-
-
-
00

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