ICS952301 Datasheet, PDF (3/12 Pages) Integrated Circuit Systems – Frequency Timing Generator for Transmeta Systems

ICS952301
Advance Information
ICS952301 Power Management Requirements
CPU
PCI
Byte 0 VCO
PCICLK PCICLK 24
48
REF
PD# ^{STOP# STOP# Bit 0}
0
X
X
X
STOP
CPUCLK
0
LOW
Not Free
Run
LOW
Free-Run
LOW
MHz
LOW
MHZ
LOW
LOW
1
0
1
0
RUN
STOP
RUN
RUN
RUN
RUN
RUN
1
1
0
0
RUN
RUN STOP RUN
RUN
RUN
RUN
1
1
1
1
RUN Tri-State Tri-State Tri-State Tri-State Tri-State Tri-State
Note: If Byte 3 bit [7:2]=0 Not Free-Run, can be controlled by PCI_STOP#
If Byte 3 bit [7:2]=1 Free-Run, cannot controlled by PCI_STOP#
0673—07/09/02
3