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PDF KS2501 Data sheet ( Hoja de datos )
| Número de pieza | KS2501 | |
| Descripción | OSD PROCESSOR FOR MONITORS | |
| Fabricantes | Samsung semiconductor | |
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MARCH. 1998
DATA SHEET
KS2501
1 page  
KS2501
OSD PROCESSOR FOR MONITORS
PIN DESCRIPTION
Pin No
1
2
Pin Name
VSSA
VCO_IN
3 VREF1
4 VREF
5 VDDA
6 HFLB
7 SDA
8 SCL
9 PWM 0
10 PWM 1
11 PWM 2
12 PWM 3
13 PWM 4
14 PWM 5
15 PWM 6
16 PWM 7
17 VFLB
18 VSS
19 FBLK
20 B_OUT
21 G_OUT
22 R_OUT
23 INT
24 VDD
Active
-
-
-
-
-
Low
-
-
-
-
-
-
-
-
-
-
Low
-
-
-
-
-
-
-
Table 1. Pin Description
I/O Description
- Ground (Analog Part)
I This voltage is generated at the external loop filter and
goes into the input stage of the VCO.
I 1.26V DC Voltage from the Bandgap Reference.
Connected to ground through a resistor to make internal
reference current (Typical 10KΩ for 100µA)
I Bandgap Reference Voltage (Typical 1.26V)
- +5V SUpply Voltage for Analog Part
I Horizontal Flyback Signal
I/O Serial Data (I2C)
I/O Serial Clock (I2C)
O PWM DAC 0 Output
O PWM DAC 1 Output
O PWM DAC 2 Output
O PWM DAC 3 Output
O PWM DAC 4 Output
O PWM DAC 5 Output
O PWM DAC 6 Output
O PWM DAC 7 Output
I Vertical Flyback Signal
- Ground for Digital Part
O Fast Blank Signal
O Video Signal Output (B)
O Video Signal Output (G)
O Video Signal Output (R)
O Intensity Signal Output
- +5V SUpply Voltage for Dogital Part
4
5 Page 
KS2501
OSD PROCESSOR FOR MONITORS
REGISTER DESCRIPTION
Registers
Character & Attribute
Registers (Row 00 ~ 14,
Column 00 ~ 29)
Table 4. Register Description
Bits
BINV
(Bit F)
BOX 1,
BOX0
(Bit E, D)
Description
Box Inversion.
The box drawing activated by the bit E and D is changed to white
box from black and conversely.
Character Box Drawing.
The combinations of this two bits generate four different box
drawing modes as following.
The following example is the case that box dawing is activated
with the font 'A'.
BOX0
BOX1
0
0 BOX OFF
1
A
A1
A
B, G, R
(Bit C~A)
Blink
C8~C0
* Bit F ~ D (RB/RG/RR) is also used for raster color by setting the
'BOXE' bit low.
Raster color of a font is determined by this bits if the 'BOXE' bit is
low. Priority of raster color selected here is higher than that of
row attribute.
Character Color is determined by these bits.
8 colors can be selected and the color intensity of a character is
given by 'CINT' bit of Row Attribute Regisers.
So you can select up to 16 colors. If a multi-color font is selected,
this bits must be set to all 0's.
Character Blinking.
Set this bit to activate the blinking effect. The blinking period is set
by the 'Bli T' bit and the duty is selected by the 'Bli 0' and 'Bli 1' bits.
Character Code Address of 464 ROM Fonts.
10
11 Page | ||
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| PDF Descargar | [ Datasheet KS2501.PDF ] | |
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