PI6C410V datasheet(2/16 Pages) PERICOM

2 / 16 page

PS8734A

09/02/04

PI6C410

Clock Generator for Intel

PCI-Express Desktop Chipset

Pin Description

Pin Name

Type

Pin No

Descriptions

REF

Output

3.3V 14.31818MHz output

XTAL_IN

Input

14.31818MHz crystal input

XTAL_OUT

Output

14.31818MHz crystal output

CPU[0:1] & CPU[0:1]#

Output

40, 41, 43, 44

Differential CPU outputs

SRC[1:6] & SRC[1:6]#

Output

19, 20, 22, 23,

24, 25, 26, 27,

30, 31, 32, 33

Differential Serial Reference Clock outputs

CPU2_ITP / SRC_7 &

CPU2_ITP# / SRC_7#

Output

35, 36

Selectable Differential CPU or SRC clock output

ITP_EN = 0 @ Vtt_Pwrgd# assertion = SRC

ITP_EN = 1 @ Vtt_Pwrgd# assertion = CPU

PCIF_0 / ITP_EN

Input / Output

33MHz clock output / CPU2 select when HIGH

PCIF[1:2]

Output

9, 10

33MHz clocks outputs (free running)

PCI[0:5]

Output

3, 4, 5, 54, 55,

33MHz clocks outputs

USB_48

Output

48MHz clock output

DOT_96 & DOT_96#

Output

14, 15

96MHz differential clock output

FS_A

Input

3.3V LVTTL inputs for CPU frequency selection

FS_B / TEST_MODE

Input

3.3V LVTTL inputs for CPU frequency selection / Test Mode

select: 0 = HiZ, 1 = Ref/N

FS_C / TEST_SEL

Input

3.3V LVTTL inputs for CPU frequency selection / Test Mode

select if pulled to 3.3V when Vtt_Pwrgd# is asserted LOW

IREF

Input

External resistor connection for internal current reference

VTT_PWRGD# /

PWRDWN

Input

3.3V LVTTL Level sensitive strobe used to determine to latch

the FS_A, FS_B/TEST_MODE, FS_C/TEST_SEL and PCIF0/

ITP_EN inputs (active low) / 3.3V LVTTL active high input for

Power Down operation.

SDA

I/O

SMBus compatible SDATA

SCL

Input

SMBus compatible SCLOCK

VDD_PCI

Power

1, 7

3.3V Power Supply for Outputs

VDD_48

Power

3.3V Power Supply for Outputs

VDD_SRC

Power

21, 28, 34

3.3V Power Supply for Outputs

VDD_CPU

Power

3.3V Power Supply for Outputs

VDD_REF

Power

3.3V Power Supply for Outputs

VSS_PCI

Ground

2, 6

Ground for Outputs

VSS_48

Ground

Ground for Outputs

VSS_SRC

Ground

Ground for Outputs

VSS_CPU

Ground

Ground for Outputs

VSS_REF

Ground

Ground for Outputs

VDD_A

Power

3.3V Power Supply for PLL

VSS_A

Ground

Ground for PLL

PI6C410V датащи(PDF) 2 Page - Pericom Semiconductor Corporation

PI6C410V датащи(HTML) 2 Page - Pericom Semiconductor Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

датащи скачать

ссылки URL