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TVOUT & VIDEO DAC
S5PC100 USER’S MANUAL (REV1.0)
9.7-18
3.7
OVERSAMPLING & DAC COMPENSATION FILTER (OSF MODULE)
The TVOUT module provides 2x or 4X oversampling filter prior to DAC in order to ease the design of analog anti-
image filter circuitry. For interlaced scanning case whose sample rate is 13.5MHz, four times oversampling
provides the final output sampling rate as 54Msps (samples per second). For progressive scanning with double
sample rate, 27MHz, OSF module performs two times oversampling with the result of also 54Msps.
The DAC has high frequency attenuation which comes from the sin(x)/x characteristic of sample-and-hold nature
and additionally may have more attenuation by some reasons. As OSF has enough number of taps with
programmable coefficients, compensation of such attenuation is done by making the filter response have a boost
at high frequency.
OSF operates in different ways according to the oversampling ratio; the number of taps and the meanings of the
coefficient registers are different for each case.
1. 4x oversampling case: 13.5Msps interlaced mode. It operates as 4-polyphase 95-tap FIR filter. All the
coefficient registers (
SDO_OSFC00_0~SDO_OSFC23_0<DAC #0>,
SDO_OSFC00_1~SDO_OSFC23_1<DAC #1>, SDO_OSFC00_2~SDO_OSFC23_2<DAC #2>
) are used.
2. 2x oversampling case: 27Msps progressive mode. It operates as 2-polyphase 47-tap FIR filter. Half of the filter
coefficient registers (
SDO_OSFC12_0~SDO_OSFC23_0<DAC #0>,
SDO_OSFC12_0~SDO_OSFC23_0<DAC #1>, SDO_OSFC12_2~SDO_OSFC23_2<DAC #2>,
) are used.
The remaining values should be set to zero.
The target filter should be a center symmetric, that is,
Let h(i) a filter coefficient whose index is i.
N is odd number. (For 4x, N = 95 and for 2x, N=47)
h(i) = h(N-i) for i=0~[N/2]-1, where [] means rounding to the nearest integers towards zero.
Содержание S5PC100
Страница 1: ...USER S MANUAL S5PC100 June 2009 REV 1 01 Copyright 2009 Samsung Electronics Inc All Rights Reserved ...
Страница 13: ...PRODUCT OVERVIEW S5PC100 USER S MANUAL REV1 0 1 1 10 16 level alpha blending ITU BT601 656 format output ...
Страница 21: ...MEMORY MAP S5PC100 USER S MANUAL REV1 0 1 2 2 ...
Страница 33: ...BALL MAP SIZE POP S5PC100 USER S MANUAL REV1 0 1 1 8 VSS_HPLL AA12 VSSQ_UOTG AA19 VSS_UOTG AF21 VSS_ADC Y24 ...
Страница 34: ...S5PC100 USER S MANUAL REV1 0 BALL MAP SIZE POP 1 1 9 1 4 MCP CONNECTION ...
Страница 49: ...IROM CODE S5PC100 USER S MANUAL REV1 0 2 6 4 12 Mhz 300 0 Mhz 100 0 Mhz 79 5 Mhz 20 6 Mhz ...
Страница 159: ...S5PC100 USER S MANUAL REV1 0 CLOCK CONTROLLER 2 3 9 Figure 2 3 3 S5PC100 Clock Generation Circuit1 ...
Страница 174: ...CLOCK CONTROLLER S5PC100 USER S MANUAL REV1 0 2 3 24 Rs 0ohm Rf 1Mohm CL 10 35pF ...
Страница 322: ...CORESIGHT S5PC100 USER S MANUAL REV1 0 3 2 4 Figure 3 2 2 S5PC100 Coresight Structure ...
Страница 328: ...CORESIGHT S5PC100 USER S MANUAL REV1 0 3 2 10 Figure 3 2 6 Structure of the Coresight DAP Components ...
Страница 330: ...CORESIGHT S5PC100 USER S MANUAL REV1 0 3 2 12 Figure 3 2 7 ETB Block Diagram ...
Страница 345: ...S5PC100 USER S MANUAL REV1 0 ASYNC BRIDGE 3 4 3 Figure 3 4 2 Asynchronous Bridge Components ...
Страница 359: ...S5PC100 USER S MANUAL REV1 0 VECTORED INTERRUPT CONTROLLER 4 1 3 Figure 4 1 2 VIC Daisy Chain ...
Страница 524: ...S5PC100 USER S MANUAL REV1 0 CF CONTROLLER 5 5 29 48 DO9 Data 9 CF_D 9 49 D10 Data 10 CF_D 10 50 GND Ground ...
Страница 545: ...EXTERNAL BUS INTERFACE S5PC100 USER S MANUAL REV1 0 5 6 2 3 BLOCK DIAGRAM Figure 5 6 1 Memory Interface Through EBI ...
Страница 651: ...S5PC100 USER S MANUAL REV1 0 UART 8 1 27 Figure 8 1 10 UINTSP UINTP and UINTM block diagram ...
Страница 652: ...UART S5PC100 USER S MANUAL REV1 0 8 1 28 NOTES ...
Страница 743: ...S5PC100 USER S MANUAL REV1 0 MIPI HSI INTERFACE CONTROLLER 8 6 13 ...
Страница 756: ...MIPI HSI INTERFACE CONTROLLER S5PC100 USER S MANUAL REV1 0 8 6 26 NOTES ...
Страница 800: ...MIPI CSIS S5PC100 USER S MANUAL REV1 0 8 8 10 NOTES ...
Страница 816: ...USB HOST CONTROLLER S5PC100 USER S MANUAL REV1 0 8 9 16 ...
Страница 926: ...MODEM INTERFACE S5PC100 USER S MANUAL REV1 0 8 11 4 4 ADDRESS MAPPING Figure 8 11 2 MODEM I F Address Mapping ...
Страница 935: ...S5PC100 USER S MANUAL REV1 0 MODEM INTERFACE 8 11 13 NOTES ...
Страница 1019: ...S5PC100 USER S MANUAL REV1 0 DISPLAY CONTROLLER 9 1 5 Figure 9 1 2 Block Diagram of the Data Flow ...
Страница 1110: ...IMAGE ROTATOR S5PC100 USER S MANUAL REV1 0 9 2 2 3 1 ORIGINAL IMAGE 3 2 FLIP VERTICAL 3 3 FLIP HORIZONTAL ...
Страница 1111: ...S5PC100 USER S MANUAL REV1 0 IMAGE ROTATOR 9 2 3 3 4 180 DEGREE ROTATION ...
Страница 1112: ...IMAGE ROTATOR S5PC100 USER S MANUAL REV1 0 9 2 4 3 5 90 AND 270 DEGREE ROTATION ...
Страница 1118: ...S5PC100 USER S MANUAL REV1 0 CAMERA INTERFACE 9 3 3 Figure 9 3 2 Camera Interface Overview ...
Страница 1181: ...JPEG S5PC100 USER S MANUAL REV1 0 9 4 6 Figure 9 4 5 YCbCr4 2 2 Color Format ...
Страница 1199: ...JPEG S5PC100 USER S MANUAL REV1 0 9 4 24 NOTES ...
Страница 1245: ...3D ACCELERATOR S5PC100 USER S MANUAL REV1 0 9 6 18 ...
Страница 1310: ...S5PC100 USER S MANUAL REV1 0 3D ACCELERATOR 9 6 83 Figure 9 6 18 Per Fragment Function Block Diagram ...
Страница 1321: ...3D ACCELERATOR S5PC100 USER S MANUAL REV1 0 9 6 94 Interface with AXI Bus FIMG_3DSEV1 1 AXI DMA support AMBA AXI BUS protocol ...
Страница 1353: ...TVOUT VIDEO DAC S5PC100 USER S MANUAL REV1 0 9 7 32 ...
Страница 1452: ...S5PC100 USER S MANUAL REV1 0 VIDEO PROCESSOR 9 8 43 NOTES ...
Страница 1482: ...MIXER S5PC100 USER S MANUAL REV1 0 9 9 30 NOTES ...
Страница 1584: ...MFC MULTI FORMAT CODEC S5PC100 USER S MANUAL REV1 0 9 11 16 5 2 ENCODING FLOW Figure 9 11 11 Encoding Flow ...
Страница 1664: ...S5PC100 USER S MANUAL REV1 0 I2S CONTROLLER 5 1CH 10 2 31 NOTES ...
Страница 1701: ...AC97 CONTROLLER S5PC100 USER S MANUAL REV1 0 10 4 18 NOTES ...
Страница 1731: ...SPDIF TRANSMITTER S5PC100 USER S MANUAL REV1 0 10 6 16 NOTES ...
Страница 1744: ...S5PC100 USER S MANUAL REV1 0 ADC AND TOUCH SCREEN INTERFACE 10 7 13 NOTES ...
Страница 1750: ...KEYPAD INTERFACE S5PC100 USER S MANUAL REV1 0 10 8 6 Figure 10 8 7 Keypad I F Block Diagram ...
Страница 1755: ...S5PC100 USER S MANUAL REV1 0 KEYPAD INTERFACE 10 8 11 NOTES ...
Страница 1779: ...SECURE DOMAIN MANAGER S5PC100 USER S MANUAL REV1 0 11 2 22 NOTES ...
Страница 1841: ...S5PC100 USER S MANUAL REV1 0 ELECTRICAL DATA 12 1 9 EXTCLK tRESW nRESET Figure 12 1 4 Manual Reset Input Timing ...
Страница 1846: ...ELECTRICAL DATA S5PC100 USER S MANUAL REV1 0 12 1 14 6 ONENAND AC ELECTRICAL CHARACTERISTICS Figure 12 1 7 OneNand Flash Timing ...