SM8702AM datasheet(4/16 Pages) NPC

4 / 16 page

SM8702AM

NIPPON PRECISION CIRCUITS—4

1 1

PCICLK2

PCI bus clock output

1 2

PCICLK3

PCI bus clock output

1 3

PCICLK4

PCI bus clock output

1 4

VDD2

–

3.3V supply

PCI clock output buffers, pre-buffer, stop logic

1 5

B UFFERIN

SDRAM clock input

Input on BUFFERIN is buffered and then output on

SDRAM[0:13]

1 6

V S S

–

Ground (3.3V supply)

SDRAM clock output buffers, pre-buffer, stop logic

SDRAM11

I/O

SDRAM clock output

CPU_ST OP#

CPU clock outputs stop control

In mobile mode (MODE = LOW), CPUCLK[0:1] tied LOW

when CPU_STOP# = LOW .

SDRAM10

I/O

SDRAM clock output

PCI_STO P #

PCI clock outputs stop control

In mobile mode (MODE = LOW), PCICLK[0:4] tied LOW

when PCI_STOP# = LOW .

1 9

VDD3

–

3.3V supply

SDRAM clock output buffers, pre-buffer, stop logic

2 0

SDRAM9

SDRAM clock output

2 1

SDRAM8

SDRAM clock output

2 2

V S S

–

Ground (3.3V supply)

PLL and internal logic ground, I2C interfa c e,

24MHz/48MHz output ground

2 3

S D ATA

I/O

I2C serial data input

2 4

SCLK

I2C clock input

24MHz

I/O

24MHz clock output

F S 1

Frequency select 1 (latch input)

48MHz

I/O

48MHz USB clock output

F S 0

Frequency select 0 (latch input)

2 7

VDD4

–

3.3V supply

I2C interfa c e, 24MHz/48MHz output supply, PLL and

internal logic supply

2 8

SDRAM7

SDRAM clock output

2 9

SDRAM6

SDRAM clock output

3 0

VDD3

–

3.3V supply

SDRAM clock output buffers, pre-buffer, stop logic

3 1

SDRAM5

SDRAM clock output

3 2

SDRAM4

SDRAM clock output

3 3

V S S

–

Ground (3.3V supply)

SDRAM clock output buffers, pre-buffer, stop logic

3 4

SDRAM3

SDRAM clock output

3 5

SDRAM2

SDRAM clock output

3 6

VDD3

–

3.3V supply

SDRAM clock output buffers, pre-buffer, stop logic

3 7

SDRAM1

SDRAM clock output

3 8

SDRAM0

SDRAM clock output

3 9

V S S

–

Ground (3.3V supply)

SDRAM clock output buffers, pre-buffer, stop logic

4 0

SDRAM12

SDRAM clock output

4 1

SDRAM13

SDRAM clock output

4 2

VDDL2

–

2.5/3.3V supply

CPU clock output buffers, pre-buffer, stop logic

4 3

CPUCLK1

CPU clock output

4 4

CPUCLK0

CPU clock output

4 5

V S S

–

Ground (2.5/3.3V supply)

CPU clock output buffers, pre-buffer, stop logic

REF1

I/O

14.318MHz reference clock output

F S 2

Frequency select 2 (latch input)

4 7

IOAPIC

14.318MHz IOAPIC clock output

4 8

VDDL1

–

2.5/3.3V supply

IOAPIC output buffer, pre-buffer, stop logic

Number

Name

I/O

Function

Notes

SM8702AM Datasheet(PDF) 4 Page - Nippon Precision Circuits Inc

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