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參數資料
| 型號： | 935165940112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO24 |
| 封裝： | PLASTIC, SOT-137-1, SO-24 |
| 文件頁數： | 29/66頁 |
| 文件大小： | 445K |
| 代理商： | 935165940112 |
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1995 Jan 19
35
Philips Semiconductors
Preliminary specication
Stand-alone OSD
PCA8515
9.11
Command A
Table 33 Command A format
Command A loads Control Register 4 with data that
determines the function of pin 2 (P04/ACM(VOB2).
Table 34 Selection of P04 or ACM
9.12
Commands B, C and D
Table 35 Command B format
Table 36 Command C format
Table 37 Command D format
These three commands determine the vertical and
horizontal start positions of the display. 64 vertical and
64 horizontal start positions can be selected. After a
master reset, starting positions are not guaranteed and
therefore must be programmed by the user. The horizontal
start position (HP) and the vertical start position (VP) may
be calculated as follows:
Where (H5
→ H0) is the decimal value of these 6 bits and
(H5
→ H0) ≥ 4.
Where (V5
→ V0) is the decimal value of these 6 bits and
(V5
→ V0) ≥ 0.
BS1
BS0
76543210
0
1
01110
A/P
00
A/P
PIN FUNCTION
0
P04 is selected as an output port. Data is
written to this port using Command E. This is
also the default setting.
1
ACM function selected; can also be used as the
5th colour signal.
BS1
BS0
76543210
0
1
0
1
V5
V4
V3
V2
BS1
BS0
76543210
0
1
0
1
0
V1
V0
H5
H4
BS1
BS0
76543210
0
1
0
1
H3
H2
H1
H0
HP
4
H5
H0
→
() 5
+
×
[] f
OSD
×
=
VP
4
V5
V0
→
()
×
[] number of scan lines
×
=
9.13
Command E
When output ports P00, P01 and P04 are enabled,
Command E is used to write data to them.
Table 38 Command E format
9.14
Command F
Table 39 Command F format
This command loads Control Register 5 with data that
determines the background colour in Frame shadowing
mode.
BS1
BS0
7
6
5
4
3
2
1
0
0
1
X
P04
X
P01
P00
BS1
BS0
76543210
0
0100
R
G
B
I
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