ICS9LPRS480 Datasheet, PDF(4/25 Page) Integrated Device Technology – Programmable System Clock Chip for ATI RS780

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ICS9LPRS480 Datasheet, PDF (4/25 Pages) Integrated Device Technology – Programmable System Clock Chip for ATI RS780 - K8TM based Systems

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Integrated

Circuit

Systems, Inc.

ICS9LPRS480

Pin Configuration

REF1/SEL_SATA 1

64 REF2/SEL_27

REF0/SEL_HTT66 2

63 VDDREF

GNDREF 3

62 VDDHTT

X1 4

61 HTT0T_LPRS/66M

X2 5

60 HTT0C_LPRS/66M

VDD48 6

59 GNDHTT

48MHz_0 7

58 PD#

GND48 8

SMBCLK 9

SMBDAT 10

VDD27 11

SRC7C_LPRS/27MHz_NS 12

SRC7T_LPRS/27MHz_SS 13

57 CPUKG0T_LPRS

56 CPUKG0C_LPRS

55 VDDCPU

54 VDDCPU_IO

53 GNDCPU

52 CLKREQ1#*

GND27 14

SRC4C_LPRS 15

SRC4T_LPRS 16

GNDSRC 17

VDDSRC_IO 18

SRC3C_LPRS 19

SRC3T_LPRS 20

SRC2C_LPRS 21

SRC2T_LPRS 22

VDDSRC 23

VDDSRC_IO 24

51 CLKREQ2#*

50 GNDSATA

49 SRC6T/SATAT_LPRS

48 SRC6C/SATAC_LPRS

47 VDDSATA

46 CLKREQ3#*

45 CLKREQ4#*

44 SB_SRC0T_LPRS

43 SB_SRC0C_LPRS

42 VDDSB_SRC

41 VDDSB_SRC_IO

GNDSRC 25

40 GNDSB_SRC

SRC1C_LPRS 26

39 SB_SRC1T_LPRS

SRC1T_LPRS 27

38 SB_SRC1C_LPRS

SRC0C_LPRS 28

37 ATIG0T_LPRS

SRC0T_LPRS 29

36 ATIG0C_LPRS

*CLKREQ0# 30

35 ATIG1T_LPRS

GNDATIG 31

34 ATIG1C_LPRS

VDDATIG_IO 32

33 VDDATIG

64-Pin TSSOP

* Internal Pull-Up Resistor

** Internal Pull-Down Resistor

1391Dâ02/02/09

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