参数资料
型号: LM1253AAE/NA
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PDIP28
封装: 0.600 INCH, PLASTIC, DIP-28
文件页数: 24/61页
文件大小: 1671K
代理商: LM1253AAE/NA
Pre-Amp Interface Registers
TABLE 5. OSD Interface Registers
LM1253A OSD Interface Registers
Register
Address
Default
D7
D6
D5
D4
D3
D2
D1
D0
Fonts-2 Color
0000–2FFE
PIXEL[7:0]
+1
XXXX
PIXEL[11:8]
Fonts-4 Color
3000–3FFE
PIXEL[7:0]
+1
XXXX
PIXEL[11:8]
Display Page
8000–83FF
CHAR_CODE[7:4] or reserved
CHAR_CODE[3:0] or ATTR_CODE
FRMCTRL1
8400
10h
X
TD
CDPR
D2E
D1E
OSE
FRMCTRL2
8401
80h
PIXELS_PER_LINE[2:0]
BLINK_PERIOD[4:0]
CHARFONTACC
8402
00h
XXXXXX
ATTR
FONT4
VBLANKDUR
8403
10h
X
VBLANK_DURATION[6:0]
CHARHTCTRL
8404
51h
CHAR_HEIGHT[7:0]
BBHLCTRLB0
8405
FFh
B[1:0]
G[2:0]
R[2:0]
BBHLCTRLB1
8406
01h
XXXXXXX
B[2]
BBLLCTRLB0
8407
00h
B[1:0]
G[2:0]
R[2:0]
BBLLCTRLB1
8408
00h
XXXXXXX
B[2]
CHSDWCTRLB0
8409
00h
B[1:0]
G[2:0]
R[2:0]
CHSDWCTRLB1
840A
00h
XXXXXXX
B[2]
ROMSIGCTRL
840D
00h
XXXXXXX
CRS
ROMSIGDATAB0
840E
00h
CRC[7:0]
ROMSIGDATAB1
840F
00h
CRC[15:8]
HSTRT1
8410
13h
HPOS[7:0]
VSTRT1
8411
14h
VPOS[7:0]
COLWIDTH1B0
8414
00h
COL[7:0]
COLWIDTH1B1
8415
00h
COL[15:8]
COLWIDTH1B2
8416
00h
COL[23:16]
COLWIDTH1B3
8417
00h
COL[31:24]
HSTRT2
8418
56h
HPOS[7:0]
VSTRT2
8419
5Bh
VPOS[7:0]
W2STRTADRL
841A
00h
ADDR[7:0]
W2STRTADRH
841B
01h
XXXXXXX
ADDR[8]
COLWIDTH2B0
841C
00h
COL[7:0]
COLWIDTH2B1
841D
00h
COL[15:8]
COLWIDTH2B2
841E
00h
COL[23:16]
COLWIDTH2B3
841F
00h
COL[31:24]
Note: Set Reserved bits to 0.
LM1253A
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