STA680 datasheet(19/43 Pages) STMICROELECTRONICS

19 / 43 page

STA680

I/O description

19/43

12, 23,

30, 39,

A12,

B12,

D1, D2

VDD_GEN_IO

power 1.8 V or 3.3 V

Generic IO

Supply

Generic I/Os power supply

GND_FSH_IO

power

Flash IO

Supply

Ground for Flash Interface I/Os

VDD_FSH_IO

power 1.8 V or 3.3 V

Flash IO

Supply

Power supply for Flash Inteface

I/Os

92, 103,

114,

125, 136

H14,

L11,

L12,

M11,

M12

GND_RAM_IO

power

SDRAM IO

Supply

Ground forSDRAM Interface I/Os

93, 104,

113,

124, 135

G14,

M9,

M10

VDD_RAM_IO

power

3.3 V

SDRAM IO

Supply

Power supply forSDRAM

Interface I/Os

VDD_RAM_IO_1.8 V

power

1.8 V

SDRAM

Clock

Supply

Power supply forSDRAM clock

pad at 1.8 Volt

L10

GND_RAM_IO_1.8 V power

1.8 V

SDRAM

Clock

Supply

Ground forSDRAM clock pad at

1.8 volt

F3, F4

GND_PLL_DIG

power

PLL Digital

Supply

Ground for PLL digital part

VDD_PLL_DIG

power

1.2 V

PLL Digital

Supply

Power supply for PLL digital part

GND_PLL0_ANA(1)

power

PLL

Analog

Supply

Ground for PLL0 analog part

GND_PLL1_ANA(1)

power

PLL

Analog

Supply

Ground for PLL1 analog part

VDD_PLL0_ANA(2)

power

1.8 V

PLL

Analog

Supply

Power supply for PLL0 analog

part

VDD_PLL1_ANA(2)

power

1.8 V

PLL

Analog

Supply

Power supply for PLL1 analog

part

J2, L2

GND_OSC

power

Osc

Supply

Ground for oscillator core

VDD_OSC

power

1.8 V

Osc

Supply

Power supply for oscillator core

Table 2.

Pins description (continued)

Pin #

Ball #

Signal name

Type

Electrical

Supply

group

Description

STA680 Datasheet(PDF) 19 Page - STMicroelectronics

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