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參數(shù)資料
| 型號(hào)： | TLV977-10CPFB |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP48 |
| 封裝： | PLASTIC, TQFP-48 |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 289K |
| 代理商： | TLV977-10CPFB |
TLV977-10
3-V, 10-BIT, 21 MSPS, AREA CCD SENSOR PROCESSOR
SLAS229 – AUGUST 1999
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
REGISTER DEFINITION
optical black calibration register format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
OMUX1
OMUX0
LN4
LN3
LN2
LN1
MP
PN2
PN1
PN0
optical black calibration register description
BIT
NAME
DESCRIPTION
D9, D8
OMUX1, OMUX0
These two bits multiplex digital output (data presented at D[9:0] pins):
OMUX1
OMUX0
0
D[9:0] = ADC output (default)
0
1
D[9:0] = ADC output
1
0
D[9] = fine/coarse (1/0) auto–correction flag
1
D[9] = fine/coarse (1/0) auto–correction flag
D[8] = fine DAC sign
D[7:0] = fine DAC value
D7 – D4
LN4 – LN0
Number of black lines for moving average = 2L.
The L can be 0, 1, 2, 3, 4, 5, 6, 7, and 8. Or number of lines can be 1(default), 2, 4, 8, 16, 32, 64, 128, and 256.
The maximum number of lines is 256 even if L>8.
D3
MP
When this bit is
1, the number of black pixels to be averaged per line (2N) is multiplied by 3.
By setting the MP and PN2–PN0 bits together, the number of optical black pixels can be programmed to have
the following numbers:
1, 2, 3 (1X3), 4, 6 (2
×3), 8, 12 (4×3), 16, 24 (8×3), 32, 48 (16×3), 64, 96 (32×3), and 192 (64×3).
Default: MP = 0, no multiplication.
D2 – D0
PN2 – PN0
Number of black pixels per line to average = 2N
The N can be 0, 1, 2, 3, 4, 5, and 6. Or number of pixels per line can be 1, 2, 4, 8 (default), 16, 32, and 64.
The maximum number of pixels per line is 64 even if N>6.
Default optical black calibration register value = 0000000011
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