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Vertical Transfer Count Register
The
register holds the number of lines to read in or write out, after
EPPI_VCNT
from the start of frame. Any write to the
write to the
EPPI_VCNT
should be programmed after the
Figure 18-31: EPPI_VCNT Register Diagram
Table 18-65: EPPI_VCNT Register Fields
Bit No.
(Access)
15:0
VALUE
(R/W)
ADSP-SC58x/ADSP-2158x SHARC+ Processor Hardware Reference
EPPI_FRAME
register does not affect the
register.
EPPI_FRAME
15
14
13
0
0
0
VALUE (R/W)
Vertical Transfer Count
31
30
29
0
0
0
Bit Name
Vertical Transfer Count.
The EPPI_VCNT.VALUE holds the number of lines to read in or write out, after
EPPI_VDLY
register modifies the
EPPI_FRAME
register value. So the
12
11
10
9
8
7
6
5
0
0
0
0
0
0
0
0
28
27
26
25
24
23
22
21
0
0
0
0
0
0
0
0
Description/Enumeration
number of lines from the start of frame.
ADSP-SC58x EPPI Register Descriptions
number of lines
EPPI_VDLY
EPPI_VCNT
register. However, any
EPPI_VCNT
4
3
2
1
0
0
0
0
0
0
20
19
18
17
16
0
0
0
0
0
register
18–81
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