IDT6V49205A
FREESCALE P10XX AND P20XX SYSTEM CLOCK W/66.66M DDR CLOCK
Pin Descriptions
PIN #
1
2
PIN NAME
X2_25
X1_25
PIN TYPE
OUT
IN
DESCRIPTION
Crystal output, Nominally 25.00MHz.
Crystal input, Nominally 25.00MHz.
Ground pin for the REF outputs.
Copy of crystal input
Copy of crystal input
Copy of crystal input
Ref, XTAL power supply, nominal 3.3V
Ground pin for the REF outputs.
Copy of crystal input
Copy of crystal input
Copy of crystal input
3
4
5
6
7
8
9
10
11
12
GNDREF
REF5
REF4
PWR
OUT
OUT
OUT
PWR
PWR
OUT
OUT
OUT
PWR
REF3
VDDREF
GNDREF
REF2
REF1
REF0
AVDD12_24
^FS0/USB_CLK
1
^FS1/USB_CLK
2
Power for 12_24MHz PLL core, and outputs. Nominal 3.3V
Frequency select latch for Sys_CCB / 12 or 24MHz USB clock output. 3.3V. This pin has an
internal pull up resistor.
Frequency select latch for Sys_CCB / 12 or 24MHz USB clock output. 3.3V. This pin has an
internal pull up resistor.
13
14
I/O
I/O
15
16
17
18
19
20
21
22
23
GND12_24
GND2.048
CK2.048_0
CK2.048_1
VDD2.048
AVDD125
125M
PWR
PWR
OUT
OUT
PWR
PWR
OUT
PWR
OUT
Ground pin for 12_24M outputs.
Ground pin for 2.048M outputs.
2.048M output, nominal 3.3V.
2.048M output, nominal 3.3V.
Power supply for 2.048M outputs, nominal 3.3V.
Power for 125MHz PLL core and output, nominal 3.3V
125M output, nominal 3.3V.
GND125M
PCIeT_LR0
Ground pin for 125M outputs.
True clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series resistor
Complement clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series
resistor
Complement clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series
resistor
24
25
PCIeC_LR0
PCIeC_LR1
OUT
OUT
26
27
28
PCIeT_LR1
VDDPCIe
GNDPCIe
OUT
PWR
PWR
True clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series resistor
Power supply for PCI Express outputs, nominal 3.3V
Ground pin for the PCIe outputs.
Complement clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series
resistor
True clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series resistor
Complement clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series
resistor
29
30
31
PCIeC_LR2
PCIeT_LR2
PCIeC_LR3
OUT
OUT
OUT
32
33
34
PCIeT_LR3
AVDDPCIe
GNDPCIe
OUT
PWR
PWR
True clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series resistor
Analog Power supply for PCI Express clocks, nominal 3.3V
Ground pin for the PCIe outputs.
Complement clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series
resistor
True clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series resistor
Complement clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series
resistor
35
36
37
PCIeC_LR4
PCIeT_LR4
PCIeC_LR5
OUT
OUT
OUT
38
39
40
41
42
43
44
45
46
47
48
PCIeT_LR5
GNDPCIe
GNDSYS
Sys_CCB
AVDDSYS
VDD66
66M_SS
GND66
SCLK
OUT
PWR
PWR
OUT
PWR
PWR
OUT
PWR
IN
True clock of 0.8V differential push-pull PCI_Express pair with integrated 33ohm series resistor
Ground pin for the PCIe outputs.
Ground pin for the Sys_CCB output
System CCB clock output
Analog Power supply for Sys_CCB clock and outputs, nominal 3.3V
Power supply for 66.66M output(s), nominal 3.3V.
66.66M spread-spectrum capable output, nominal 3.3V
Ground pin for 66.66M output(s).
Clock pin of SMBus circuitry.
Data pin for SMbus circuitry.
SDATA
VDDREF
I/O
PWR
Ref, XTAL power supply, nominal 3.3V
IDT® FREESCALE P10XX AND P20XX SYSTEM CLOCK W/66.66M DDR CLOCK
3
IDT6V49205A REV Q 112316