STA680 datasheet(18/43 Pages) STMICROELECTRONICS

18 / 43 page

I/O description

STA680

18/43

122

J14

SDR_A6

output

3.3 V

SDRAM IO

Supply

Address bit 6 toSDRAM

121

J13

SDR_A7

output

3.3 V

SDRAM IO

Supply

Address bit 7 toSDRAM

118

K14

SDR_A8

output

3.3 V

SDRAM IO

Supply

Address bit 8 toSDRAM

117

K13

SDR_A9

output

3.3 V

SDRAM IO

Supply

Address bit 10 toSDRAM

137

D13

SDR_A10

output

3.3 V

SDRAM IO

Supply

Address bit 10 toSDRAM

116

L14

SDR_A11

output

3.3 V

SDRAM IO

Supply

Address bit 11 toSDRAM

115

L13

SDR_A12

output

3.3 V

SDRAM IO

Supply

Address bit 12 toSDRAM

Supplies

Not

bonded

F12

MODEOP_GEN

input

3.3 V

SDRAM IO

Supply

Define the operating voltage of

the "Generic I/O" supply group. If

tied low the I/Os work at 1.8V else

they work at 3.3V. Default value is

3.3V.

Not

bonded

E12

MODEOP_FSH

input

3.3 V

SDRAM IO

Supply

Define the operating voltage of

the "Flash I/O" supply group. If

tied low the I/Os work at 1.8V else

they work at 3.3V. Default value is

3.3V.

8, 19,

28, 36,

46, 59,

71, 78,

88, 99,

108,

119,

130, 143

D5, D6,

E11,

F11,

J11,

J12,

K3,

K11,

K12, L3

VDD

power

1.2 V

Core

Supply

Power supply for core logic

9, 20,

27, 37,

47, 58,

70, 79,

87, 98,

109,

120,

131, 142

F6, F7,

F8, F9,

G6, G7,

G8, G9,

H6, H7,

H8, H9,

J6, J7,

J8, J9

GND

power

Core

Supply

Ground for core logic

11, 22,

27, 38,

A5, B5,

H1, H2

GND_GEN_IO

power

Generic IO

Supply

Generic I/Os ground

Table 2.

Pins description (continued)

Pin #

Ball #

Signal name

Type

Electrical

Supply

group

Description

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