Rev. 3.0, 03/01, page 136 of 390
(3) Miscellaneous Control Register (IMISCR)
Address: H'10007102 (Bank 0, Write)
Bit
7
6
5
4
3
2
1
0
Bit Name
DCS1
DCS0
-
ILOOP
-
-
-
-
Initial Value
0
0
-
0
-
-
-
-
R/W
W
W
-
W
-
-
-
-
Bit
Description
Default
7 - 6
DMA Channel Select (DCS[1:0])
DMA Channel Select. Specify DMA channel usage.
b7 b6 DMA Channel Select
0 0 No DMA
0 1 DMA Channel for Receive
1 0 DMA Channel for Transmit
1 1 Reserved
00
5
Reserved
-
4
Internal Loop-back (ILOOP)
When set to 1, the 4Mbit modem issues a transmit data output signal, which is then
internally looped back to its receive data input. This allows for diagnostic testing of the
modem transmit and receive data paths.
0
3 - 0
Reserved
-
(4) Rx FIFO Register (IRFR)
Address: H'10007104 (Bank 0, Read)
Bit
7
6
5
4
3
2
1
0
Bit Name
RD7
RD6
RD5
RD4
RD3
RD2
RD1
RD0
Initial Value
-
-
-
-
-
-
-
-
R/W
R
R
R
R
R
R
R
R
Bit
Description
Default
7 - 0
Receive Data: Used to read receive packet data from Rx FIFO.
-
Summary of Contents for HD64465
Page 25: ...Rev 3 0 03 01 page 6 of 390 ...
Page 59: ...Rev 3 0 03 01 page 40 of 390 ...
Page 97: ...Rev 3 0 03 01 page 78 of 390 ...
Page 147: ...Rev 3 0 03 01 page 128 of 390 ...
Page 199: ...Rev 3 0 03 01 page 180 of 390 ...
Page 247: ...Rev 3 0 03 01 page 228 of 390 ...
Page 385: ...Rev 3 0 03 01 page 366 of 390 ...
Page 389: ...Rev 3 0 03 01 page 370 of 390 ...
Page 409: ...Rev 3 0 03 01 page 390 of 390 ...