STA450A datasheet(2/66 Pages) STMICROELECTRONICS

2 / 66 page

STA450A

2/66

Figure 1. Service Layer and Source Decoder Block Diagram

Figure 2. Pin Connection

INPUT

BUFFER

OUTPUT

BUFFER

AUDIO PORT

OUTPUT

INTERFACE

(PCM I/F)

SPDIFF

OUTPUT

SERVICE

LAYER DEMUX

DECRYPTION

AUDIO

DECODER

DSP BASED

RS232

I2C MASTER

(CAP I/F)

I2C SLAVE

(SYSCON I/F)

GPIO

INTERFACE

EXTERNAL

INTERRUPT

LRCKT

OCLK

SCKT

SDO

I958_OUT

PC BITSTREAM

INPUT

INTERFACE

(USSIO 0)

PCDC

PCSD

DATA PORT

OUTPUT

INTERFACE

(USSIO 3)

DP_EN

DP_CLK

DP_DATA

SYS PLL

AUDIO PLL

SYSTEM & AUDIO CLOCKS

32 33 34 35 36

75 74 73 72

69 68 67 66 65

CAP_RST (GPIO_4)

NU (GPIO_5)

TQFP80

26 27 28 29 30

21 22 23 24 25

SCL_M

64 63 62 61

37 38 39 40

VDD1

GND1

APLL_GND

CLK_OUT

TEST1

CLK_IN

TEST0

VDD2

GND2

VDD_IO1

SDA_M

VDD3

GND3

SCL

SDA

APLL_VDD

GND7

VDD7

GND8

VDD8

VDD_IO3

RESET_N

GND9

VDD9

NU (IT_0)

NU (USSIO1_LRCLK)

EVENT_IRQ (GPIO_0)

NU (IT_1)

SCAN_MODE

NU (IT_2)

TESTB

NU (FIT_0)

NU (USSIO1_DATA)

NU (USSIO1_SCLK)

NU (USSIO2_LRCLK)

NU (USSIO2_DATA)

NU (USSIO2_SCLK)

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