PCA8514T PHILIPS [NXP Semiconductors], PCA8514T Datasheet - Page 15
PCA8514T
Manufacturer Part Number
PCA8514T
Description
Stand-alone OSD
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.PCA8514T.pdf
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Philips Semiconductors
9
The PCA8514 is programmed by a series of commands sent by a microcontroller via the I
High-speed serial interface. 16 commands (Commands 0 to G) are available for selecting the various functions of the
PCA8514. 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.
1995 Nov 27
Stand-alone OSD
C
D
G
A
B
E
F
0
1
2
3
4
5
6
7
8
9
COMMANDS
Command Bank selection
Not used in the PCA8514
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
COMMAND
BS1
X
X
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
BS0
X
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
0
15
7
0
1
0
0
0
1
0
0
0
0
0
1
1
1
1
0
0
C6
6
1
0
0
0
0
1
1
1
1
0
0
0
1
1
1
C5
D5
X
5
1
0
1
1
0
0
1
1
0
1
1
0
0
P04
T4
C4
D4
4
1
0
1
0
1
0
1
1
0
1
0
1
2
C-bus interface or the
HM3
BF1
M1
C3
D3
Hp
H3
T3
A7
A3
V5
V1
R
X
3
1
0
Product specification
BF0
HT2
A/P
M0
C2
D2
H2
T2
A6
A2
Vp
V4
V0
G
X
2
0
PCA8514
BS1
BR1
P01
FS1
A5
A1
C1
D1
Bp
S1
V3
H5
H1
T1
B
1
0
BS0
BR0
P00
FS0
EN
A4
A0
C0
D0
S0
V2
H4
H0
T0
0
0
I
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