STV9420 查看數據表（PDF） - STMicroelectronics

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STV9420

MULTISYNC ON-SCREEN DISPLAY FOR MONITOR

STMicroelectronics 

BLOCK DIAGRAMS

STV9420

CKOUT 6

HS YNC 2

STV9420 - STV9421

XTAL XTAL

IN OUT PXCK

VDD

8

7

5

4

TES T

16

HO R IZONTAL

DIGITAL P LL

4K ROM

(128 cha ra cte rs )

Addre ss /Da ta

1K RAM

P age De s criptors +

Us e r De fine d Cha r.

VSYNC 3

RESET 11

DISPLAY

C ONTRO LLE R

I2C BUS

INTERFACE

STV9421

S TV9420

13 14 15 1

R G B FBLK

XTAL XTAL

IN OUT P XCK

VDD

9

8

6

5

12

9

GND

SCL

TES T

19

CKOUT 7

HSYNC 3

HOR IZONTAL

DIGITAL P LL

4K ROM

(128 cha racte rs )

Addres s /Data

1K RAM

P a ge Des criptors +

Use r Define d Cha r.

VSYNC 4

RESET 14

DISP LAY

C ONTR OLLE R

2

I C BUS

INTE R FAC E

10

S DA

10 P WM4

20 P WM3

11 P WM2

1 P WM1

16 17 18 2

R G B FBLK

15

GND

S TV94 2 1

12

13

SCL

S DA

3/16

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