LM1237BDBC/NA National Semiconductor, LM1237BDBC/NA Datasheet - Page 22

• Manufacturer Part Number: LM1237BDBC/NA
• Description: Video ICs, 150MHz I2C Compatible RGB Preamplifier with Internal 254 Character OSD and 4 DACs
• Manufacturer: National Semiconductor

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Preamp Interface Registers
Note: Set reserved bits to 0.
Note: Set reserved bits to 0.
Two-Color Attribute Table
ATT2C0n
Register
CHARHTCTRL
BBHLCTRLB0
BBHLCTRLB1
BBLLCTRLB0
BBLLCTRLB1
CHSDWCTRLB0
CHSDWCTRLB1
ROMSIGCTRL
ROMSIGDATAB0 0x840E
ROMSIGDATAB1 0x840F
HSTRT1
VSTRT1
COLWIDTH1B0
COLWIDTH1B1
COLWIDTH1B2
COLWIDTH1B3
HSTRT2
VSTRT2
W2STRTADRL
W2STRTADRH
COLWIDTH2B0
COLWIDTH2B1
COLWIDTH2B2
COLWIDTH2B3
Register
BGAINCTRL
GGAINCTRL
RGAINCTRL
CONTRCTRL
DAC1CTRL
DAC2CTRL
DAC3CTRL
DAC4CTRL
DACOSDDCOFF 0x8438
GLOBALCTRL
PLLFREQRNG
SRTSTCTRL
Register
0x8440 + 4n
Address
Address
0x8430
0x8431
0x8432
0x8433
0x8434
0x8435
0x8436
0x8437
0x8439
0x843E
0x843F
Address
0x840D
0x841C
0x841D
0x8404
0x8405
0x8406
0x8407
0x8408
0x8409
0x840A
0x8410
0x8414
0x8415
0x8416
0x8417
0x8418
0x8419
0x841A
0x841B
0x841E
0x841F
0x8411
D7
Default
Default
0x51
0xFF
0x01
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x13
0x14
0x00
0x00
0x00
0x00
0x56
0x5B
0x00
0x01
0x00
0x00
0x00
0x00
0xE0
0xE0
0xE0
0xE0
0x80
0x80
0x80
0x80
0x94
0x00
0x16
0x00
C1B[1:0]
TABLE 7. LM1237 Preamplifier Interface Registers
TABLE 8. LM1237 Two-Color Attribute Registers
TABLE 6. OSD Interface Registers (Continued)
D6
D7
D7
X
X
X
X
X
X
X
X
X
X
X
X
X
B[1:0]
B[1:0]
B[1:0]
(Continued)
A/D[0]
D6
D6
X
X
X
X
X
X
X
D5
DCF[1:0]
22
CLMP
D5
D5
C1G[2:0]
X
X
X
X
X
X
X
D4
CHAR_HEIGHT (7:0)
G[2:0]
G[2:0]
G[2:0]
OSD CONT[1:0]
D4
D4
COL (23:16)
COL (31:24)
COL (23:16)
COL (31:24)
X
X
X
X
X
X
X
X
HPOS (7:0)
HPOS (7:0)
ADDR (7:0)
CRC (15:8)
VPOS (7:0)
VPOS (7:0)
COL (15:8)
COL (15:8)
CRC (7:0)
DAC1[7:0]
DAC2[7:0]
DAC3[7:0]
DAC4[7:0]
COL (7:0)
COL (7:0)
CONTRAST[6:0]
D3
GGAIN[6:0]
RGAIN[6:0]
BGAIN[6:0]
OOR
D3
D3
X
X
X
X
X
X
X
D2
VBL
D2
D2
X
X
X
X
X
X
X
DS OFFSET[1:0]
C1R[2:0]
D1
R[2:0]
R[2:0]
R[2:0]
D1
D1
PS
X
X
X
X
X
X
PFR[1:0]
ADDR(8)
SRST[0]
CRS
B[2]
B[2]
B[2]
D0
BV
D0
D0