STA680 datasheet(17/48 Pages) STMICROELECTRONICS

17 / 48 page

DS5877 Rev 13

17/48

STA680

Block diagram and pin description

H14,

L11,

L12,

M11,

M12

GND_RAM_IO

n/a

SDRAM

supply

Ground for SDRAM

Interface I/Os

G14,

M9, M10

VDD_RAM_IO

n/a

3.3 V

SDRAM

supply

Power supply for SDRAM

Interface I/Os

F9, G10, H7,

H11, K7, L9,

L11, H12, J12

VDDIO

n/a

3.3 V

I/O

supply

Generic I/Os power supply

G6, G8, G11,

J11, L8, P11

VSSIO

n/a

I/O

supply

Generic I/Os ground

F3, F4

GND_PLL_DIG

n/a

PLL

digital

supply

Ground for PLL digital part

VDD_PLL_DIG

n/a

1.2 V

PLL

digital

supply

Power supply for PLL digital

part

GND_PLL0_

ANA

n/a

PLL

analog

supply

Ground for PLL0 analog

part

GND_PLL1_

ANA

n/a

PLL

analog

supply

Ground for PLL1 analog

part

VDD_PLL0_

ANA

n/a

1.8 V

PLL

analog

supply

Power supply for PLL0

analog part

VDD_PLL1_

ANA

n/a

1.8 V

PLL

analog

supply

Power supply for PLL1

analog part

J2, L2

GND_OSC

n/a

Osc

supply

Ground for oscillator core

VDD_OSC

n/a

1.8 V

Osc

supply

Power supply for oscillator

core

K4, L4

E14

VDD_REG3V3

n/a

3.3 V

LDO

supply

Voltage regulator input

power supply @ 3.3 V

N1, N2

VDD_REG1V8

n/a

1.8 V

LDO

supply

Voltage regulator output

power supply @ 1.8 V

VDD_RAM_IO

_1V8

n/a

1.8 V

n/a

Reserved - connect to 1.8 V

supply

L10

GND_RAM_IO

_1V8

n/a

Reserved - Connect to

ground

Others

RFU

n/a

Reserved for future use - do

not connect

Table 2. Ball-out description (continued)

LFBGA

Ball #

TFBGA

Ball #

Signal name

Type

Pull-up

/down(1)

Electrical

Supply

group

Description

STA680 Datasheet(PDF) 17 Page - STMicroelectronics

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