Daewoo Color Television Benutzerhandbuch

- 4-bit input / output port.

- Input or output can be specified for each bit.

- # 31 : . Only Cn-220, ITT(MSP)

Low :  Front Mask / Mono, High : Back / Stereo.

- Other function

- Interrupt receiver format, vector addresses.

      Notice            R:Rising, F:falling, H:H level,

                 L : L level, V : Vector, E:Enable, D:Disale.

- Use only Japan

Model.

- This port use when is Stand-By status.

- Condition : Input AC Power On.

- Power off : ‘High(DC 5V)’ Output.(Red)

- Power on : ‘Low(DC 0V)’ Output.

36

P01

TV / VIDEO

- TV Mode : ‘High’  Line (Video) Mode : ‘Low’.

37

P02

H.Out

- Use to discharge High Voltage when TV set turns off.

38

P03

Sound Reset

- Sound IC Reset : ITT.

39

P04

AKB

- Use when control AKB (High Beam : ‘High(5V)’ Output)

40

P05

Audio Mute

- Use only ‘read data’ of ‘LA76814/10.

41

P06

Video White

- Use when TV set turns off.

- Use when does power off/on.

- .Power Off : Output ‘Low(DC 0V)’

  .Power On : Output ‘High(DC 5V)’

33

34

35

P72 / INT 2/

TO IN

P72 / INT 3 /

T0 IN

P00

31

P70 / INT 0

Sound Input

32

P71 / INT 1

N.C

SD In

R

F

R/F

H

L

V

INT0

E

E

D

E

E

03H

INT1

 E

E

D

E

E

0BH

INT2

E

E

E

D

D

13H

INT3

E

E

E

D

D

1BH

P70

INT0input/HOLDrelease input / Nch-

Tr. output for watchdog timer.

P71

INT1 input/HOLD release input.

P72

INT2 input/Timer 0 event input.

P73

INT3 input (noise rejection filter

attached) / Timer

Remocon In

ST_By LED

42

P07

Power

- Only Cn-220

Output form and existence of pull-up resistor for every port can be specified for each bit

At port 1,  ”Programmable pull-up resistor provided” when specifying either CMOS or N-ch open drain output.

Port status in reset.

Terminal

I/O

Pull-up resistor status at selecting pull-up option.

Port 0

I

Pull-up resistor OFF, ON after reset release.

Port 1

I

Programmable pull-up resister OFF.