Daewoo CM-405F, DTH-2930SSFV service manual Vrefadneg

Models: CM-405F DTH-2930SSFV

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IC DESCRIPTION

 

STANDARD

 

 

VERSION

 

 

 

 

 

SYMBOL

MONO+ AV STEREO SSDIP90

FULL-STEREO/

DESCRIPTION

 

 

VDDA1

 

86

analog supply for TCG m-Controller and digital

 

 

 

supply for TV-processor (+3.3 V)

 

 

 

 

VREFAD_NEG

 

87

negative reference voltage (0 V)

 

 

 

 

VREFAD_POS

 

88

positive reference voltage (3.3 V)

 

 

 

 

VREFAD

 

89

reference voltage for audio ADCs (3.3/2 V)

 

 

 

 

GNDA

 

87

ground

 

 

 

 

VDDA(1.8V)

 

90

analogue supply for audio ADCs (1.8 V)

 

 

 

 

VDDA2(3.3)

 

88

supply voltage SDAC (3.3 V)

 

 

 

 

VSSadc

 

1

ground for on-chip temperature sensor

 

 

 

 

VDDadc(1.8)

 

90

supply voltage video ADC

 

 

 

 

INT0/P0.5

 

2

external interrupt 0 or port 0.5 (4 mA current

 

 

 

sinking capability for direct drive of LEDs)

 

 

 

 

P1.0/INT1

 

4

port 1.0 or external interrupt 1

 

 

 

 

P1.1/T0

 

5

port 1.1 or Counter/Timer 0 input

 

 

 

 

VDDC2

 

3

digital supply to core (1.8 V)

 

 

 

 

VSSC2

 

1

ground

 

 

 

 

P0.4/I2SWS

 

-

port 0.4 or I2S word select

P0.4

 

-

port 0.4

 

 

 

 

P0.3/I2SCLK

 

-

port 0.3 or I2S clock

P0.3

 

-

port 0.3

 

 

 

 

P0.2/I2SDO2

 

50

port 0.2 or I2S digital output 2

P0.2

 

-

port 0.2

 

 

 

 

P0.1/I2SDO1

 

-

port 0.1 or I2S digital output 1

P0.1

 

-

port 0.1

 

 

 

 

P0.0/I2SDI1/O

 

51

port 0.0 or I2S digital input 1 or I2S digital output

P0.0

 

-

port 0.0

 

 

 

 

P1.3/T1

 

6

port 1.3 or Counter/Timer 1 input

 

 

 

 

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Page 21
Image 21
Daewoo CM-405F, DTH-2930SSFV service manual Vrefadneg