
6
ICS950813
Advance Information
0708—10/10/02
Pin #
-
Name
0
1
PWD
0
Bit 7
Spread Enabled
Spread Spectrum Control
Power down mode output level
0= CPU driven in power down
1= undriven
VCH/66.66 Select
Reflects value of pin
Reflects value of pin at power up.
Also can be set.
Frequency Selection
Frequency Selection
Frequency Selection
RW
OFF
ON
Bit 6
-
CPUCLKT(2:0)
RW
HIGH
LOW
0
Bit 5
Bit 4
35
53
3V66_1/VCH_CLK/FS3**
CPU_STOP#*
RW
R
66.66
Stop
48.00
Active
0
X
Bit 3
34
PCI_STOP#*
RW
Stop
Active
X
Bit 2
Bit 1
Bit 0
Note:
39
55
54
FS3
FS1
FS0
RW
R
R
-
-
-
-
-
-
X
X
X
Pin #
43
Name
MULTSEL*
0
-
1
-
PWD
x
Bit 7
Reflects value of pin
CPU_Stop mode output level
0= CPU driven when stopped
1 = undriven
Allow control of output with
assertion of CPU_STOP#.
Allow control of output with
assertion of CPU_STOP#.
Allow control of output with
assertion of CPU_STOP#.
Output control
Output control
Output control
R
Bit 6
-
CPUCLKT(2:0)
RW
HIGH
LOW
0
Bit 5
45, 44
CPUCLKT2, CPUCLKC2
(see note)
CPUCLKT1, CPUCLKC1
(see note)
CPUCLKT0, CPUCLKC0
(see note)
CPUCLKT2, CPUCLKC2
CPUCLKT1, CPUCLKC1
CPUCLKT0, CPUCLKC0
CPUCLK(2:0) can be turned on/off by CPU_STOP#. Refer to table 4.
RW
Not
Freerun
Not
Freerun
Not
Freerun
Disable
Disable
Disable
Freerun
0
Bit 4
49, 48
RW
Freerun
0
Bit 3
52, 51
RW
Freerun
0
Bit 2
Bit 1
Bit 0
Note:
45, 44
49, 48
52, 51
RW
RW
RW
Enable
Enable
Enable
1
1
1
Pin #
56
18
17
16
13
12
11
10
PCICLK(6:0) can be turned on/off by PCI_STOP#. Refer to table 3.
Name
REF
PCICLK6
PCICLK5
PCICLK4
0
1
PWD
0
1
1
1
1
1
1
1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Note:
1X or 2X Strength control
Output control
Output control
Output control
Output control
Output control
Output control
Output control
RW
RW
RW
RW
RW
RW
RW
RW
1X
2X
Disable
Disable
Disable
Disable
Disable
Disable
Disable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
**E_PCICLK3/PCICLK3
PCICLK2
**E_PCICLK1/PCICLK1
PCICLK0
Affected Pin
Type
Control Function
Bit Control
BYTE
0
BYTE
1
BYTE
2
For PCI_STOP# function, refer to table 3.
Type
Bit Control
Type
Control Function
Affected Pin
Bit Control
Control Function
Affected Pin