ics9148-03 ETC-unknow, ics9148-03 Datasheet - Page 2

• Manufacturer Part Number: ics9148-03
• Description: Single Chip Clock, Supports 66.6mhz
• Manufacturer: ETC-unknow

PIN NUMBER
17, 18, 20, 21,
10, 11, 12, 13
28, 29, 31, 32,
40, 41, 43, 44
3,9,16,22,27,
34, 35,37,38
33,39,45
19,30,36
6,14
15
23
24
25
26
42
46
47
48
1
2
4
5
7
8
VDD1
REF0
CPU3.3#_2.5
GND
X1
X2
VDD2
FS1
PCICLK0
FS2
PCICLK(1:4)
PCICLK5
PCI_STOP#
SDRAM (0:11)
VDD3
SS_EN#
SS_TYPE
24MHz
MODE
48MHz
FS0
CPUCLK(0:3)
VDDL2
REF1
CPU_STOP#
IOAPIC
VDDL1
PCICLK_F
1 ,2
1 ,2
1 ,2
PIN NAME
1 ,2
1
3
1
1
1 ,2
TYPE
PWR
PWR
PWR
PWR
PWR
PWR
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
Ref (0:1), XTAL power supply, nominal 3.3V
Indicates whether VDDL2 is 3.3V or 2.5V. High=2.5V CPU, LOW=3.3V
CPU. Latched Input.
Ground
Crystal input, has internal load cap (33pF) and feedback
resistor from X2
Crystal output, nominally 14.318MHz. Has internal load cap (33pF)
Supply for PCICLK_F and PCICLK (0:5), nominal 3.3V
Free running PCI clock
Frequency select pin. Latched Input.
PCI clock output.
Frequency select pin. Latched Input.
PCI clock outputs.
PCI clock output. (In desktop mode, MODE=1)
Halts PCICLK (0:5) clocks at logic 0 level, when input low
(In mobile mode, MODE=0)
SDRAM clock outputs.
Supply for SDRAM (0:11), PLL core and 24, 48MHz clocks, nominal
3.3.V
Spread Spectrum Enable. Low =Enable
HIGH = Spread Spectrum down spread. LOW = Spread Spectrum Center
spread. Input has Pulldown to GND
24MHz output clock
Pin 15, pin 46 function select pin, 1=Desktop Mode, 0=Mobile mode.
Latched Input.
48MHz output clock
Frequency select pin. Latched Input.
CPU clock outputs, powered by VDDL2. Low if CPU_STOP#=Low
Supply for CPU (0:3), either 2.5V or 3.3V nominal
14.318 Mhz reference clock.(in Desktop Mode, MODE=1) This REF Output
is the STRONGER buffer for ISA loads.
Halts CPUCLK (0:3) clocks at logic 0 level when input low
(in Mobile Mode, MODE=0)
IOAPIC clock output. 14.318 MHz Powered by VDDL1.
Supply for IOAPIC, either 2.5V or 3.3V nominal
14.318 MHz reference clock.
DESCRIPTION