參數(shù)資料
型號(hào)： TVP3026-250
廠商： Texas Instruments, Inc.
英文描述： Video Interface PALETTE Exract(組合像素模式視頻接口調(diào)色器)
中文描述： 視頻接口調(diào)色板Exract（組合像素模式視頻接口調(diào)色器）
文件頁(yè)數(shù)： 93/107頁(yè)
文件大小： 707K
代理商： TVP3026-250
B–3
Appendix A may be used directly. The closest frequency in Table A–1 is 169.53 MHz for which the PLL
registers are loaded with N-value register = 0xE8, M-value register = 0x1C, and P-value register = 0xB0.
The N and M numbers are the lower 6 bits of the N-value register and the M-value register respectively. The
P number is the lower two bits of the P-value register. After extracting and converting to decimal, this
becomes N = 40, M = 28, and P = 0. The resulting divide ratios for the prescalers and the post-scaler and
the resulting clock frequencies are illustrated in Figure B–4.
÷
25
Phase
Detector
Charge
Pump
VCO
OUT
Ref Clock
÷
37
0.57 MHz
0.57 MHz
14.31818 MHz
21.19 MHz
N = 40
(65 –N = 25)
M = 28
(65 –M = 37)
÷
1
169.53 MHz
÷
8
169.53 MHz
21.19 MHz
Up
Down
P = 0
(2P = 1)
Figure B–4. Pixel Clock PLL Example
The equations given in subsection 2.4.1, Pixel Clock PLL give the same result for the VCO frequency and
PLL output frequency. The VCO frequency is within the specified limits.
FVCO
8
FREF
65
65
M
N
8
14.31818
65
65
28
40
169.53 MHz
110 MHz
FVCO
220 MHz
F
PLL
F
VCO
2
P
169.53
2
0
169.53 MHz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP3026-250AMDN 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette
TVP3026-250APCE 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette
TVP3026-250BMDN 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette
TVP3026-250BPCE 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
TVP3026-250CPCE 制造商:Rochester Electronics LLC 功能描述:- Bulk
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