External Memory Controller (EMC)
Symphony DSP56724/DSP56725 Multi-Core Audio Processors, Rev. 0
Freescale Semiconductor
21-25
NOTE
The MRTPR register has no low part. The low part is reserved and the
corresponding address should not be used.
21.3.2.6
UPM Data Register (MDR)
The memory data register (MDR) contains data written to or read from the RAM array for UPM read or
write commands. Before issuing a write command to the UPM, the MDR must be set up.
Table 21-31. UPM Data Register High Part
MDRH
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
X: 0xFF_FE45
R
D
W
R
D
W
Reset
0x00_0000
Table 21-32. MDRH Field Descriptions
Bits
Name
Description
23–16
—
Reserved
15–0
D
Bits 31–16 of the data to be read or written into the RAM array, when a write or read command is
supplied to the UPM (MxMR[OP] = 01 or MxMR[OP] = 10).
Table 21-33. UPM Data Register Low Part
MDRL
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
X:0xFF_FE44
R
D
W
R
D
W
Reset
0x00_0000
Table 21-34. MDRL Field Descriptions
Bits
Name
Description
23–16
—
Reserved
15–0
D
Bits 15–0 of the data to be read or written into the RAM array when a write or read command is
supplied to the UPM (MxMR[OP] = 01 or MxMR[OP] = 10).
Содержание Symphony DSP56724
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