參數(shù)資料
型號： TLV990BPFB
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： PLASTIC, TQFP-48
文件頁數(shù)： 4/22頁
文件大小： 287K
代理商： TLV990BPFB
TLV990B
3-V, 10-BIT, 28-MSPS AREA CCD AND VIDEO SIGNAL PROCESSOR
SLAS327– FEBRUARY 2001
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
REGISTER DEFINITION
PGA register format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default PGA gain = 0000000000 or 0 dB
user DAC1 and DAC2 registers format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default user DAC register value = XX00000000
coarse offset DAC register format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
SIGN
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
coarse offset DAC register description
BIT
NAME
DESCRIPTION
D9
X
Reserved
D8
SIGN
Coarse DAC sign bit, 0 = + sign (default), 1 = – sign
D7–D0
Coarse DAC control data when the D6 in the control register is set at 1.
Default coarse DAC register value = X000000000
fine offset DAC register format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
SIGN
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
fine offset DAC register description
BIT
NAME
DESCRIPTION
D9
X
Reserved
D8
SIGN
Fine DAC sign bit, 0 = + sign (default), 1 = – sign
D7–D0
Fine DAC control data when the D5 in the control register is set at 1.
Default fine DAC register value = X000000000
digital Vb (optical black level) register format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default Vb register value = 40 Hex
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參數(shù)描述
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