STA450A datasheet(4/66 Pages) STMICROELECTRONICS

4 / 66 page

STA450A

4/66

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.

PCFS(FIT_2)

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

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

TEST1

Test Pin

Input Pad Buffer with Active Pull-Up

RESET_N

HW Reset (active low)

Schmitt Trigger Buffer

EVENT_IRQ

(GPIO_0)

I/O

General Interrupt (Events, Errors,

Data ready)

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

SCL

I2C Slave Serial Clock

Schmitt Trigger Buffer

SDA

I/O

I2C Slave Serial Data

BiDir Pad, 4mA Output Buffer with

Slew Rate Control

INT1 (GPIO_1)

I/O

Dedicated Errors Interrupt

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

INT2 (GPIO_2)

I/O

Dedicates Events Interrupt

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

TEST (GPIO_3)

I/O

Test Pin

Bi Dir Pad, 4mA Output Buffer with

Slew Rate Control

DP_EN

I/O

Data Port Enable

Schmitt Trigger Bi Dir Pad, 4mA

Output Buffer with Slew Rate Control

DP_DATA

I/O

Data Port Data

Schmitt Trigger Bi Dir Pad, 4mA

Output Buffer with Slew Rate Control

DP_CLK

I/O

Data Port Clock

Schmitt Trigger Bi Dir Pad, 4mA

Output Buffer with Slew Rate Control

LRCKT

I2S Left&Right Clock

4mA Output Buffer with Slew Rate

Control

SDO

I2S Output Data (PCM Data)

4mA Output Buffer with Slew Rate

Control

SCKT

I2S Serial Clock

4mA Output Buffer with Slew Rate

Control

OCLK

I/O

Oversampling Clock

Schmitt Trigger BiDir Pad, 4mA

Output Buffer with Slew Rate Control

I958_OUT

S/PDIF Output

4mA Output Buffer with Slew Rate

Control

RS232_TX

RS232 Transmitter

4mA Output Buffer with Slew Rate

Control

RS232_RX

RS232 Receiver (must be

connected to ground in functional

mode)

Schmitt Trigger Buffer

PIN FUNCTION (continued)

N°

Type

Function

Pad Description

STA450A Datasheet(PDF) 4 Page - STMicroelectronics

STA450A Datasheet(HTML) 4 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66

Datasheet Download

Link URL