WM8170 datasheet(4/41 Pages) WOLFSON

4 / 41 page

WM8170

Product Preview Rev 1.0

WOLFSON MICROELECTRONICS LTD

PP Rev 1.0 March 2000

PIN DESCRIPTION

PIN NO

NAME

TYPE

DESCRIPTION

Digital IO

Data output 5/parallel data IO3

DGND2

Supply

Digital ground for D0 to D9, PTDO pins

DVDD4

Supply

Digital supply for D0 to D9, PTDO pins

Digital IO

Data output 6/parallel data IO4

Digital IO

Data output 7/parallel data IO5

Digital IO

Data output 8/parallel data IO6

Digital IO

Data output 9 (MSB)/parallel data IO7

PTDO

Digital output

Programmable threshold detect output

AGND1

Supply

Analogue ground and device substrate

AVDD1

Supply

Analogue supply for ADC

AVDD3

Supply

Analogue supply for references, bias voltage

VCLP

Analogue output

Reset level clamping voltage output

ISET

Analogue output

External resistor for bias current control

VRT

Analogue output

Upper ADC reference voltage output

VRB

Analogue output

Lower ADC reference voltage output

VMID

Analogue output

Midrail reference voltage output

AGND2

Supply

Analogue ground and device substrate

DIN

Analogue input

Video data input

Analogue input

Video preset input

AVDD2

Supply

Analogue supply for S/H, PGA, analogue DC correction loop and

auxiliary DACs

SHD

Digital input

Sample and Hold data control

SHP

Digital input

Sample and Hold preset control

DVDD2

Supply

Digital supply BLCENB, CLPENB, CLPSWB, PBLK, SHD, SHP pins

CLPENB

Digital input

Reset level clamp enable input, active low

CLPSWB

Digital input

Reset level clamp enable switch, active low

PBLK/HD

Digital input

Input blocking control, active low/Horizontal drive timing signal input

BLCENB

Digital input

Black level clamp control, active low

DGND1

Supply

Digital ground for DVDD1, DVDD2, DVDD3 supplies

PNS

Digital input

Parallel not serial control

PDB/VD

Digital input

External power down, active low/Vertical drive timing signal input

OEB

Digital input

Output enable bar, active low

NRESET

Digital input

Master chip reset, active low

DVDD3

Supply

Digital supply for PDB, NRESET, SCK/RNW, SEN/STB, PNS,

SDI/DNA, OEB, DCLK, SDO pins

SDO

Digital tri-stateable output

Serial data output, tri-stateable

SDI/DNA

Digital input

Serial data in/parallel data not address (management interface)

SEN/STB

Digital input

Serial enable/parallel strobe (management interface)

SCK/RNW

Digital input

Serial clock/parallel read not write (management interface)

DCLK

Digital input

Output data retiming clock input

DVDD1

Supply

Digital supply for internal logic

VOUT1

Analogue output

Auxiliary DAC1 output

VOUT2

Analogue output

Auxiliary DAC2 output

CVDD

Supply

Positive supply for internal clock generation circuitry

CGND

Supply

Ground for internal clock generation circuitry

Digital output

Data output 0 (LSB), tri-stateable

Digital output

Data output 1, tri-stateable

Digital IO

Data output 2/parallel data IO0

Digital IO

Data output 3/parallel data IO1

Digital IO

Data output 4/parallel data IO2

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