Daewoo 20q1 Manuel D’Utilisation

11

* A : DW5255M*/DW5255RM*,  *B : DW370ASM*

1

1

P3.1

T1IC1/CR

SYS

NTSC OUT for switching SAW filter 

K6259
- PAL/SECAM : L
- NTSC : H

2

2

P0.7/Open Drain

A0

BUSSTOP

I2C BUS STOP IN for Computer 
controlled alignment in Factory 
( Active Low )

3

3

P0.6/Open Drain

A1

SDA

Serial data IN/OUT for I2C

4

4

P0.5/Open Drain

A2

SCL

Serial clock IN/OUT for I2C

5

5

P0.4/Open Drain

A3

OPTION

#5   #6    Teletext

#6

6

6

P0.3/Open Drain

A4

OPTION

H    H    West Teletext

H : STAND-BY

L    H    East Teletext

L : POWER ON

H    L    Turkish Teletext

7

7

P0.2/Open Drain

A5

OPTION

Not Used

8

8

P0.1/Open Drain

PWM1-0/ Open Drain

OPTION

Not Used 

9

9

P0.0/Open Drain

PWM1-1/ Open Drain

LED

LED drive OUT
- Stand-by mode : H
- Operating mode : L  

( IR reception : pulse )

10

10

VSS

VSS

ground

11

11

VCC

VCC

Power Supply

12

12

XTAL1

OSCIN

OSCIN

Input to inverting osc. Amplifier

13

13

XTAL2

OSCOUT

OSCOUT

Output of inverting osc. Amplifier

14

14

P4.0/ALE

PWM1-2/Open Drain

Not Used 

H : I/M, L : B/D

15

15

RESET

RESET/Open Drain

RST

RESET IN (ACTIVE LOW)

16

16

P1.7/14BIT PWM

PWM2-0

VT

TUNING VOLTAGE OUT

17

17

P1.6/14BIT PWM

PWM2-1

SW

H : I/M

Not Used 

L : B/D

18

18

P1.5/8BIT PWM

PWM1-3/Open Drain

F/SW

Not Used 

19

19

P1.4/8BIT PWM

PWM1-4/Open Drain

Not Used

20

20

P1.3/8BIT PWM

PWM1-5/Open Drain

MUTE

AUDIO MUTE OUT

21

21

P1.2/8BIT PWM

TEST

GND

(Must be tied 0V for DW370M*)

22

P1.1/8BIT PWM

Not Used

23

P1.0/8BIT PWM

Not Used

24

VSSA

VSSA

Analog GND for Slicer

25

FIL3

FIL3

PLL Loop Filter I/O for Phase Shifting

26

FIL2

FIL2

PLL Loop Filter I/O for TTX Slicing

27

FIL1

FIL1

PLL Loop Filter I/O for VPS Slicing

28

VCCA

VCCA

Analog Supply for Slicer

29

IREF

IREF

Reference Current for Slicer PLLs