STA450A datasheet(4/66 Pages) STMICROELECTRONICS

Nome de Peças	STA450A

Descrição Electrónicos	XMRADIO SDARS SERVICE LAYER & SOURCE DECODER

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Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

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STA450A

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A more detailed description of each pad type can be found in section 4.

Note: After an Hardware reset or power on all Bi Dir pins are configured as inputs.

39

PCFS(FIT_2)

I

PC Bitstream PRC Frame Sync.

Schmitt Trigger Buffer

42,47

NU(USSIO1_DATA)

NU(USSIO2_DATA)

I/O

Not Used (must be connected to

ground in functional mode)

Schmitt Trigger Bi Dir Pad, 4mA

Output Buffer with Slew Rate Control

43,48

NU(USSIO1_SCLK)

NU(USSIO2_SCLK)

I/O

Not Used (must be connected to

ground in functional mode)

Schmitt Trigger Bi Dir Pad, 4mA

Output Buffer with Slew Rate Control

49

NU(GPIO_5)

I/O

Not Used (must be connected to

ground in functional mode)

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

54

TEST1

I

Test Pin

Input Pad Buffer with Active Pull-Up

55

RESET_N

I

HW Reset (active low)

Schmitt Trigger Buffer

56

EVENT_IRQ

(GPIO_0)

I/O

General Interrupt (Events, Errors,

Data ready)

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

59

SCL

I

I2C Slave Serial Clock

Schmitt Trigger Buffer

60

SDA

I/O

I2C Slave Serial Data

BiDir Pad, 4mA Output Buffer with

Slew Rate Control

61

INT1 (GPIO_1)

I/O

Dedicated Errors Interrupt

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

64

INT2 (GPIO_2)

I/O

Dedicates Events Interrupt

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

65

TEST (GPIO_3)

I/O

Test Pin

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

66

DP_EN

I/O

Data Port Enable

Schmitt Trigger Bi Dir Pad, 4mA

Output Buffer with Slew Rate Control

67

DP_DATA

I/O

Data Port Data

Schmitt Trigger Bi Dir Pad, 4mA

Output Buffer with Slew Rate Control

68

DP_CLK

I/O

Data Port Clock

Schmitt Trigger Bi Dir Pad, 4mA

Output Buffer with Slew Rate Control

72

LRCKT

O

I2S Left&Right Clock

4mA Output Buffer with Slew Rate

Control

73

SDO

O

I2S Output Data (PCM Data)

4mA Output Buffer with Slew Rate

Control

74

SCKT

O

I2S Serial Clock

4mA Output Buffer with Slew Rate

Control

75

OCLK

I/O

Oversampling Clock

Schmitt Trigger BiDir Pad, 4mA

Output Buffer with Slew Rate Control

78

I958_OUT

O

S/PDIF Output

4mA Output Buffer with Slew Rate

Control

79

RS232_TX

O

RS232 Transmitter

4mA Output Buffer with Slew Rate

Control

80

RS232_RX

I

RS232 Receiver (must be

connected to ground in functional

mode)

Schmitt Trigger Buffer

PIN FUNCTION (continued)

N°

Type

Function

Pad Description

Nº de peça semelhante - STA450A

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Descrição semelhante - STA450A

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