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Número de pieza | SAA4849 | |
Descripción | (SAA4848 / SAA4849) digital deflection controller | |
Fabricantes | Philips | |
Logotipo | ||
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APPLICATION NOTE
SAA4848/SAA4849 digital
deflection controller plus
microcontroller for CRT monitor
AN10281_1
Philips Semiconductors
TP97035.3/W97
TRAD
1 page www.DataSheet4U.com
Philips Semiconductors
SAA4848/SAA4849 digital deflection controller
plus microcontroller for CRT monitor
Application Note
AN10281 1
CONTENTS
1 INTRODUCTION ...................................................................................................................9
1.1 Block diagram deflection controller .........................................................................................................................10
1.2 Block diagram microcontroller..................................................................................................................................10
1.3 On-chip interconnect of deflection controller and microcontroller ...................................................................11
1.4 Pin multiplexer block diagram...................................................................................................................................12
1.5 SAA4848/49 – TDA4856 comparison....................................................................................................................13
1.6 Geometry controls ......................................................................................................................................................14
2 FUNCTION DESCRIPTION AND APPLICATION .......................................................... 17
2.1 Deflection controller...................................................................................................................................................17
2.2 Microcontroller ............................................................................................................................................................19
2.3 Component placing and ground map.......................................................................................................................25
3 PIN APPLICATION...............................................................................................................26
3.1 Pin 1: P1.0.....................................................................................................................................................................26
3.2 Pin 2: P1.3/ I2C -SCL .................................................................................................................................................26
3.3 Pin 3: P1.4/ I2C -SDA ................................................................................................................................................26
3.4 Pin 4: P1.2/nINT0 ......................................................................................................................................................27
3.5 Pin 5: P2.6/DAC4/HSOUT .....................................................................................................................................28
3.6 Pin 6: P2.3/DAC3.......................................................................................................................................................29
3.7 Pin 7: HUNLOCK......................................................................................................................................................30
3.8 Pin 8: CLBL/VSOUT ................................................................................................................................................32
3.9 Pin 9: P0.3.....................................................................................................................................................................33
3.10 Pin 10: P0.2.......................................................................................................................................................33
3.11 Pin 11: P0.1.......................................................................................................................................................33
3.12 Pin 12: P0.0.......................................................................................................................................................34
3.13 Pin 13: P0.7.......................................................................................................................................................34
3.14 Pin 14: VSSE ....................................................................................................................................................34
3.15 Pin 15: VDDD .................................................................................................................................................35
3.16 Pin 16: V5V ......................................................................................................................................................35
3.17 Pin 17: VSSD – the star point ground..........................................................................................................35
3.18 Pin 18: BDRV ..................................................................................................................................................36
5
5 Page www.DataSheet4U.com
Philips Semiconductors
SAA4848/SAA4849 digital deflection controller
plus microcontroller for CRT monitor
Application Note
AN10281 1
1.3 On-chip interconnect of deflection controller and microcontroller
Figure 3 On-chip interconnect between deflection and microcontroller
11
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet SAA4849.PDF ] |
Número de pieza | Descripción | Fabricantes |
SAA4848 | (SAA4848 / SAA4849) digital deflection controller | Philips |
SAA4849 | (SAA4848 / SAA4849) digital deflection controller | Philips |
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