KS5514B-XX Samsung, KS5514B-XX Datasheet - Page 7

• Manufacturer Part Number: KS5514B-XX
• Description: ON SCREEN DISPLAY PROCESSOR
• Manufacturer: Samsung

KS5514B -XX
SPECIFICATION
OPERATION DESCRIPTION
MEMORY STRUCTURE
After KS5514B records, in DATA RAM and CONTROL REGISTER, the serial DATA that is inputted from MICOM,
in recording to the V-SYNC and H-SYNC signal, mix the COMPOSITE VIDEO signal and the font ROM data that is
mapped to data RAM.
In case that there is no composite video signal that is inputted to KS5514B, the SYNC detector becomes low,
KS5514B makes the blue back signal in dividing the 4fsc signal and the blue back signal is outputted.
The following table is the data structure that is inputted from MICOM.
• Memory address consists of 16 bit
• The data of address 0 ~ 239 are character data which are display on the screen.
• The address 240 ~ 244 are the control registers.
• Don`t care bit : the upper 8 bits (DA8 ~ DAF) in address 0 ~ address 239, the upper 5bits (DAB ~ DAF) in
address 240 ~ address 244
Addr
239
240
241
242
243
244
·
·
·
0
Bit
DAF DAE DAD DAC DAB DAA DA9 DA8 DA7 DA6 DA5 DA4 DA3 DA2 DA1 DA0
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
·
·
·
*
*
*
*
*
*
*
*
*
*
*
*
*
*
SECAM NT/
INT/
NON
BLI2 VSZ
DSP
*
*
3
-
HSZ
DSP
PAL
BK
ON SCREEN DISPLAY PROCESSOR
LE
21
21
*
*
2
98-05-14
·
·
·
CHA
HSZ
VSZ
DSP
LE
20
20
*
*
1
-
RAM
HSZ
VSZ
ERS
DSP
PD3 PD2
BLI
BLI
ON
11
11
TEST TC
BLK
HSZ
VSZ
C6
C6
10
10
1
BLK
HP5 HP4 HP3 HP2 HP1 HP0
VP5 VP4 VP3 VP2 VP1 VP0
C5
C5
0
-
LEV
(Font ROM Address)
PD0 PC3 PC2 PC1
BLI
C4
C4
1
1
LEV
BLI
C3
C3
0
0
·
·
·
PH2 PH1 PH0
EX
C2
C2
YM BCO
C1
C1
7
PC0
C0
C0