PEB20534H-10 SIEMENS [Siemens Semiconductor Group], PEB20534H-10 Datasheet - Page 379

• Manufacturer Part Number: PEB20534H-10
• Description: DMA Supported Serial Communication Controller with 4 Channels DSCC4
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

11.1.2.1 Receive Descriptor
The receive descriptor lists are prepared by the host within the shared memory and read
by DSCC4 DMA controller, when requested to do by the host either via an ’AR’ (Action
Request) command or after branching from previous receive descriptors. The handling
of receive descriptor lists is described in details in chapter “DMAC Receive Descriptor
Lists” on page 71. The receive descriptor contains 5 DWORDs which are described in
the following table:
Table 101
Semiconductor Group
0
1
2
3
4
0
1
2
3
4
FE
31
15
0
0
30
14
C
0
Receive Descriptor
29
13
0
0
28
12
STATUS
0
27
11
0
26
10
0
Next Receive Descriptor Pointer
Next Receive Descriptor Pointer
Frame End Descriptor Pointer
Frame End Descriptor Pointer
25
Receive Data Pointer
Receive Data Pointer
9
0
24
379
8
0
23
7
0
0
BNO
NO
22
6
0
0
21
Host Memory Organization
5
0
0
20
4
0
0
19
3
0
0
Data Sheet 09.98
18
2
0
0
PEB 20534
17
1
0
0
16
0
0
0