STA680 datasheet(13/48 Pages) STMICROELECTRONICS

13 / 48 page

DS5877 Rev 13

13/48

STA680

Block diagram and pin description

SPI2_SS1_N

Pull-up

3.3 V

Flash

supply

Reserved

SPI2_SS2_N

Pull-up

3.3 V

Flash

supply

Reserved

SPI2_SS3_N

Pull-up

3.3 V

Flash

supply

Reserved

SPI2_SCK

Pull-up

3.3 V

Flash

supply

SPI interface 2 serial clock

SPI SD/MMC interface

P17

SPI3_MISO

Pull-up

3.3 V

Generic

supply

Reserved

D15

SPI3_MOSI

Pull-up

3.3 V

Generic

supply

Reserved

N17

SPI3_SS_N

Pull-up

3.3 V

Generic

supply

Reserved

C10

E17

SPI3_SCK

Pull-up

3.3 V

Generic

supply

Reserved

SDRAM interface

M12

SDR_FEED_

CLK

3.3 V

SDRAM

supply

Feedback clock from

SDRAM interface

P10

SDR_CLK_

RAM3V3

3.3 V

SDRAM

supply

Clock to SDRAM for 3.3 V

interface

R15

SDR_D0

I/O

3.3 V

SDRAM

supply

SDRAM bidirectional data

bit 0

U15

SDR_D1

I/O

3.3 V

SDRAM

supply

SDRAM bidirectional data

bit 1

N10

T15

SDR_D2

I/O

3.3 V

SDRAM

supply

SDRAM bidirectional data

bit 2

P10

P14

SDR_D3

I/O

3.3 V

SDRAM

supply

SDRAM bidirectional data

bit 3

Table 2. Ball-out description (continued)

LFBGA

Ball #

TFBGA

Ball #

Signal name

Type

Pull-up

/down(1)

Electrical

Supply

group

Description

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