3

ICS932S825

1276D—10/25/07

Pin Description (continued)

PIN #

PIN NAME

TYPE

DESCRIPTION

33

PCIeC_L4

OUT

Complement clock of 0.8V differential push-pull PCI_Express pair. (no

50ohm resistor to GND needed)

34

PCIeT_L4

OUT

True clock of 0.8V differential push-pull PCI_Express pair (no 50ohm

resistor to GND needed)

35

GND

PWR

Ground pin.

36

VDDPCIe

PWR

Power supply for PCI Express clocks, nominal 3.3V

37

PCIeC_L5

OUT

Complement clock of 0.8V differential push-pull PCI_Express pair. (no

50ohm resistor to GND needed)

38

PCIeT_L5

OUT

True clock of 0.8V differential push-pull PCI_Express pair (no 50ohm

resistor to GND needed)

39

PCIeC_L6

OUT

Complement clock of 0.8V differential push-pull PCI_Express pair. (no

50ohm resistor to GND needed)

40

PCIeT_L6

OUT

True clock of 0.8V differential push-pull PCI_Express pair (no 50ohm

resistor to GND needed)

41

GND

PWR

Ground pin.

42

CPUK8GC_L0

OUT

Complementary signal of low-power differential push-pull AMD K8

"Greyhound" clock

43

CPUK8GT_L0

OUT

True signal of low-power differential push-pull AMD K8 "Greyhound" clock

44

CPUK8GC_L1

OUT

Complementary signal of low-power differential push-pull AMD K8

"Greyhound" clock

45

CPUK8GT_L1

OUT

True signal of low-power differential push-pull AMD K8 "Greyhound" clock

46

GND

PWR

Ground pin.

47

VDDCPU

PWR

Supply for CPU clocks, 3.3V nominal

48

CPUK8GC_L2

OUT

Complementary signal of low-power differential push-pull AMD K8

"Greyhound" clock

49

CPUK8GT_L2

OUT

True signal of low-power differential push-pull AMD K8 "Greyhound" clock

50

CPUK8GC_L3

OUT

Complementary signal of low-power differential push-pull AMD K8

"Greyhound" clock

51

CPUK8GT_L3

OUT

True signal of low-power differential push-pull AMD K8 "Greyhound" clock

52

CPUK8GC_L4

OUT

Complementary signal of low-power differential push-pull AMD K8

"Greyhound" clock

53

CPUK8GT_L4

OUT

True signal of low-power differential push-pull AMD K8 "Greyhound" clock

54

GND

PWR

Ground pin.

55

VDDCPU

PWR

Supply for CPU clocks, 3.3V nominal

56

CPUK8GC_L5

OUT

Complementary signal of low-power differential push-pull AMD K8

"Greyhound" clock

57

CPUK8GT_L5

OUT

True signal of low-power differential push-pull AMD K8 "Greyhound" clock

58

CPUK8GC_L6

OUT

Complementary signal of low-power differential push-pull AMD K8

"Greyhound" clock

59

CPUK8GT_L6

OUT

True signal of low-power differential push-pull AMD K8 "Greyhound" clock

60

SPREAD_EN

IN

Asynchronous, active high input to enable spread spectrum functionality.

61

GND25MHz

PWR

Ground pin for the 25Mhz outputs

62

25MHz_1_2x

OUT

25MHz clock output, 3.3V. Default 2 load drive

63

FS0/25MHz_0_2x

I/O

Frequency select latch input pin / Fixed 25MHz 3.3V clock output. Default 2

load drive

64

VDD25MHz

PWR

Power supply for 25MHz clocks, 3.3V nominal.