STV9427 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

STV9427

HIGH SPEED MULTISYNCH ON-SCREEN DISPLAY FOR MONITOR

STMicroelectronics 

STV9427 - STV9428 - STV9429

FUNCTIONAL DESCRIPTION (continued)

I.3 - Addressing Space

I.3.1 - General Mapping

STV9427/28/29 registers, RAM and ROM are

mapped in a 16Kbytes addressing space. The

mapping is the following :

0000

03FF

0400

07FF

0800

3FBF

3FC0

3FD0

3FCF

3FD0

1024 bytes RAM

Empty Space

Character Generator

ROM

Empty Space

Internal Registers

Descriptors character

codes and user

definable characters

I.3.2 - I2C Registers Mapping

3FCF

3FD0

3FD7

3FD8

3FDF

3FE0

3FE7

3FE8

3FEF

3FF0

3FF8

3FF9

3FFF

PWM0

PWM1

PWM2

PWM3

PWM4

PWM5

PWM6

PWM7

Reserved

Color 0

Color 1

Color 2

Color 3

Color 4

Color 5

Color 6

Color 7

Color 8

Color 9

Color 10

Color 11

Color 12

Color 13

Color 14

Color 15

Line Duration

Top Margin

Horizontal Delay

Character Height

Display Control

Locking Time Constant

Capture Time Constant

Initial Pixel period

Frequency Multiplier

Reserved

PWM registers

Color look-up

table (CLUT)

Control registers

I.4 - Register Set

I.4.1 - PWM Registers

The eight registers described below are only avail-

able with the STV9429 :

PULSE WIDTH MODULATOR 0 (STV9429)

3FD0 V07 V06 V05 V04 V03 V02 V01 V00

V0[7:0] : Digital value of the 1st PWM D to A converter.

PULSE WIDTH MODULATOR 1 (STV9429)

3FD1 V17 V16 V15 V14 V13 V12 V11 V10

V1[7:0] : Digital value of the 2nd PWM DAC.

PULSE WIDTH MODULATOR 2 (STV9429)

3FD2 V27 V26 V25 V24 V23 V22 V21 V20

V2[7:0] : Digital value of the 3rd PWM DAC.

PULSE WIDTH MODULATOR 3 (STV9429)

3FD3 V37 V36 V35 V34 V33 V32 V31 V30

V3[7:0] : Digital value of the 4th PWM DAC.

PULSE WIDTH MODULATOR 4 (STV9429)

3FD4 V47 V46 V45 V44 V43 V42 V41 V40

V4[7:0] : Digital value of the 5th PWM DAC.

PULSE WIDTH MODULATOR 5 (STV9429)

3FD5 V57 V56 V55 V54 V53 V52 V51 V50

V5[7:0] : Digital value of the 6th PWM DAC.

PULSE WIDTH MODULATOR 6 (STV9429)

3FD6 V67 V66 V65 V64 V63 V62 V61 V60

V6[7:0] : Digital value of the 7th PWM DAC.

PULSE WIDTH MODULATOR 7 (STV9429)

3FD7 V77 V76 V75 V74 V73 V72 V71 V70

V7[7:0] : Digital value of the 8th PWM DAC.

Note : Power on reset default value of PMW register is 00H

7/20

Share Link: