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參數(shù)資料
| 型號： | LM1276AAA/NA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO PREAMPLIFIER, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數(shù)： | 27/50頁 |
| 文件大小： | 6075K |
| 代理商： | LM1276AAA/NA |
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Enhanced Feature Register 1:
Button Box Highlight Color
BBHLCTRLB1 (0x8406)
BBHLCTRLB0 (0x8405)
Reserved
Highlight - Green
Highlight - Red
Highlight - Blue
X
G[2:0]
R[2:0]
B[2:0]
Bits 8–0
These determine the button box highlight color.
Bits 15–9
Reserved. These bits should be set to zero.
Enhanced Feature Register 2:
Button Box Lowlight Color
BBLLCTRLB1 (0x8408)
BBLLCTRLB0 (0x8407)
Reserved
Lowlight - Green
Lowlight - Red
Lowlight - Blue
X
G[2:0]
R[2:0]
B[2:0]
Bits 8–0
These determine the button box lowlight color.
Bits 15–9
Reserved. These bits should be set to zero.
Enhanced Feature Register 3:
Heavy Button Box Lowlight/Shading/Shadow
CHSDWCTRLB1 (0x840A)
CHSDWCTRLB0 (0x8409)
Reserved
Shadow - Green
Shadow - Red
Shadow - Blue
X
G[2:0]
R[2:0]
B[2:0]
Bits 8–0
These registers determine the heavy button box lowlight, shading or shadow color.
Bits 15–9
Reserved. These bits should be set to zero.
ROM Signature Control Register:
ROMSIGCTRL (0x840D)
Reserved
Check
X
CRS
Bit 0
This controls the calculation of the ROM signature. Setting this bit causes the ROM to be read sequentially and a 16-
bit checksum calculated over the 256 characters. The sum, modulo 65535, is stored in the ROM Signature Data Register,
and this bit is then automatically cleared.
Bits 7–1
Reserved. These should be set to zero.
ROM Signature Data:
ROMSIGDATAB1 (0x840F)
ROMSIGDATAB0 (0x840E)
16-Bit Checksum
CRC[15:0]
Bits 15–0
This is the checksum of the 256 ROM characters truncated to 16 bits (modulo 65535). All devices with the same masked
ROM will have the same checksum.
Display Window 1 Horizontal Start Address:
HSTRT1 (0x8410)
Window 1 Horizontal Start Location
HPOS1[7:0]
33
www.national.com
200969 Version 2 Revision 4
Print Date/Time: 2011/07/11 11:20:12
LM1276
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| LM1279DL WAF | 制造商:Texas Instruments 功能描述: |
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