13

PS8736C

12/19/05

PI6C410M/410MA

Clock Generator for Intel

PCI Express Mobile Chipset

SRC Tristate clock truth table

Signal

Pwrdwn

PCI_STOP#

PCI_Stop

Tristate Bit

Pwrdwn

Tristate Bit

Non-stop

Stoppable

pin

pin

Outputs

Outputs

SRC[0:7]

0

1

X

X

Running

Running

0

0

0

X

Running

Driven @ Iref x 6

0

0

1

X

Running

Tristate

1

X

X

0

Driven @ Iref x 2

Driven @ Iref x 2

1

X

X

1

Tristate

Tristate

Tristate Specifications

CPU Tristate clock truth table

Signal

Pwrdwn

CPU_STOP#

CPU_Stop

Tristate Bit

Pwrdwn

Tristate Bit

Non-stop

Stoppable

pin

pin

Outputs

Outputs

CPU[0:2]

0

1

X

X

Running

Running

0

0

0

X

Running

Driven @ Iref x 6

0

0

1

X

Running

Tristate

1

X

X

0

Driven @ Iref x 2

Driven @ Iref x 2

1

X

X

1

Tristate

Tristate

CPU Clock Tristate Timing

Figure 10. CPU_STOP = Driven, CPU_PWRDWN = Driven, DOT_PWRDWN = Driven

DOT Tristate clock truth table

Signal

Pwrdwn

Pwrdwn Tristate Bit

Stoppable

pin

Outputs

DOT96

0

X

Running

1

0

Driven @ Iref x 2

1

1

Tristate

CPU_Stop#

PWRDWN

CPU (Free Running)

CPU# (Free Running)

CPU (Stoppable)

CPU# (Stoppable)

DOT

DOT#

1.8ms