參數(shù)資料
型號(hào)： PCA8516
廠商： NXP Semiconductors N.V.
英文描述： Stand-alone OSD
中文描述： 單機(jī)OSD
文件頁數(shù)： 15/64頁
文件大?。?/td> 403K
代理商： PCA8516
1995 Mar 30
15
Philips Semiconductors
Preliminary specification
Stand-alone OSD
PCA8516
9
COMMANDS
The PCA8516 is programmed by a series of commands sent by a microcontroller via the I
2
C-bus interface or the
High-speed serial interface. 17 commands (Commands 0 to G) are available for selecting the various functions of the
PCA8516. A command overview is shown in Table 8; full descriptions of each command are given in Sections 9.1 to 9.15.
Table 8
Command overview (note 1)
Note
1.
‘X’ denotes don’t care state.
COMMAND
BS1
BS0
7
6
5
4
3
2
1
0
0
1
2
3
4
5
6
7
Command Bank selection
Character font selection - Bank 1
Character attributes
Display Character Address High
Display Character Address Low
Character font selection - Bank 2
OSD PLL oscillator divisor
Scan mode, polarity of FB, ACM, R,
G, B and I; OSD enable/disable
Polarity of HSYNC and VSYNC,
Display mode
Blinking frequency, blinking
frequency active ratio
I/O port selection
Vertical start position High
Vertical start position Low/
Horizontal start position High
Horizontal start position Low
Write to ports P00, P01 and P04
Background colour in Frame
shadowing mode
Enable/disable OSD horizontal
stabilization circuit (Regen H),
selection of Half-tone background
mode and character size of first line
X
0
X
0
0
1
0
0
X
0
0
0
0
0
1
1
0
1
0
0
0
1
0
0
1
1
1
1
0
BS1
C1
T1
A5
A1
C1
D1
Bp
BS0
C0
T0
A4
A0
C0
D0
EN
C6
0
0
0
C6
0
1
C5
0
1
1
C5
D5
0
C4
T4
0
1
C4
D4
0
C3
T3
A7
A3
C3
D3
M1
C2
T2
A6
A2
C2
D2
M0
8
0
1
0
1
0
1
Hp
Vp
S1
S0
9
0
1
0
1
1
0
BF1
BF0
BR1
BR0
A
B
C
0
0
0
1
1
1
0
1
1
1
0
0
1
0
1
1
1
0
0
A/P
V4
V0
0
0
V5
V1
V3
H5
V2
H4
D
E
F
0
0
0
1
1
0
1
1
0
0
1
1
1
X
0
1
H3
X
R
H2
X
G
H1
P01
B
H0
P00
I
P04
0
G
0
0
0
1
0
1
HM3
HT2
FS1
FS0
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