1995 Nov 27
6
Philips Semiconductors
Product specification
Stand-alone OSD
PCA8514
5.2
Pin description
Table 1
SDIP24 and SO24 packages
SYMBOL
PIN
I/O
DESCRIPTION
I (VOW3)
P04/ACM (VOB2)
TEST2
TEST1
C
VSYNC
HSYNC
SDA/SIN
1
2
3
4
5
6
7
8
O
O
I
I
I/O
I
I
I/O
Character output signal for intensity control.
Port 04 output or Active Character Monitor output (VOB2).
Test mode selection; for normal operation TEST2 is connected to V
SS.
Test mode selection; for normal operation TEST1 is connected to V
SS
.
Capacitor connection for on-chip OSD PLL oscillator.
Vertical synchronization input, active polarity programmable.
Horizontal synchronization input, active polarity programmable.
Data line of the I
2
C-bus interface or the data line for the High-speed
serial interface.
Clock line of the I
2
C-bus interface or the clock line for the High-speed
serial interface.
System clock input.
System clock output.
Ground, digital.
Master reset input (active LOW).
Chip enable (active HIGH) for the High-speed serial interface. When the
I
2
C-bus interface is selected this pin should be connected to V
SS
.
Serial interface selection. When this pin is LOW the High-speed serial
interface is selected; when this pin is HIGH the I
2
C-bus interface is
selected.
Character output signal: VOW0 for Red.
General purpose I/O Port 00.
Character output signal: VOW1 for Green.
General purpose I/O Port 01.
Character output signal: VOW2 for Blue.
Power supply, digital.
Fast Blanking output (VOB).
Ground, analog.
Power supply, analog.
SCL/SCLK
9
I/O
XTAL1 (IN)
XTAL2 (OUT)
V
SS
RESET
E
10
11
12
13
14
I
O
I
I
I
HIO/I
2
C
15
I
R (VOW0)
P00
G (VOW1)
P01
B (VOW2)
V
DD
FB (VOB)
AV
SS
AV
DD
16
17
18
19
20
21
22
23
24
O
I/O
O
I/O
O
I
O
I
I