STV8237 datasheet(16/149 Pages) STMICROELECTRONICS

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General Description

STV82x7

16/149

XTALOUT_CLKXTM

Crystal Oscillator Output or Differential Input Negative

(Crystal Oscillator Output)

XTO

VCC18_CLK1

1.8V Power for Clock PLL Analog & Crystal Oscillator 1/2

(3.3V Power supply for Analog PLL Clock)

VDDP

GND18_CLK1

Ground for Clock PLL Analog & Crystal Oscillator 1/2

GNDP

GND18_CLK2

Ground for Clock PLL Digital 1/2

GND2

VCC18_CLK2

1.8V Power for Clock PLL Digital 1/2

(3.3V Power supply for Digital core, DSPs & IO Cells)

VDD2

VSS33_IO2

Ground for Digital IO pins 60 to 69

Connected to Ground

VDD33_IO2

3.3V power for Digital IO pins 60 to 69

Not connected

I2S_PCM_CLK

I/O

I²S Slave Clock Input/Output Channel 1, 2 & 3

Not connected

I2S_SCLK

I/O

I²S Clock Input/Output Channel 1, 2 & 3 (I²S bus data

output)

SDO

I2S_LR_CLK

I/O

I²S Word Select Input/Output Channel 1,2 & 3

(Stereo Detection output / I²S Bus Data input)

ST/SDI

I2S_DATA0

I/O

I²S Data Input/Output Stereo Channel 1

(I²S Bus Word Select output)

I2S_DATA1

I²S Data Input Stereo Channel 2

(I²S Bus Clock output)

SCK

I2S_DATA2

I²S Data Input Stereo Channel 3

(Bus Expander Output 1)

BUS1

VDD18

1.8V Power for Digital Core & I/O Cells Pin

Not connected

VSS18

Ground for Digital Core & I/O Cells Pin

Connected to Ground

BUS_EXP

Bus Expander Function

(Bus Expander Output 2)

BUS0

IRQ

Interrupt Request to Microprocessor

IRQ

GND_PSUB

Ground Substrate Connection

Connected to Ground

VDD18_ADC

VDD 1.8V for ADC (Digital Part)

Not connected

VSS18_ADC

Ground to Complement 1.8V VDD for ADC

Connected to Ground

SIF_P

Sound IF input (positive)

SIF

SIF_N

Sound IF input (negative) (ADC VTOP Decoupling pin)

VTOP

GNDPW_IF

Polarization for the IF block

(Voltage Reference for AGC Decoupling pin)

VREFIF

VCC18_IF

1.8V Power for IF AGC & ADC

VDDIF

GND18_IF

Ground for IF AGC & ADC

GNDIF

MONO_IN

Mono Input (for AM Mono)

MONOIN

SC4_IN_L

SCART4 Audio Input Left

Not connected

SC4_IN_R

SCART4 Audio Input Right

Not connected

Table 3: TQFP80 Pin Description (Sheet 3 of 3)

No.

STV82x7

Pin Name

Type

(STV82x7)

Function for STV82x7

(Function for STV82x6 in italic characters)

STV82x6

Pin Name

STV8237 Datasheet(PDF) 16 Page - STMicroelectronics

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