參數(shù)資料
型號(hào): 9LPRS480YKLFT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: PROC SPECIFIC CLOCK GENERATOR, PQCC64
封裝: ROHS COMPLIANT, PLASTIC, MLF-64
文件頁數(shù): 23/25頁
文件大?。?/td> 249K
代理商: 9LPRS480YKLFT
7
Integrated
Circuit
Systems, Inc.
ICS9LPRS480
1391D—02/02/09
General Description
Block Diagram
The ICS9LPRS480 is a main clock synthesizer chip that provides all clocks required for ATI RS7xx-based
systems.using AMD processors. An SMBus interface allows full control of the device.
Power Groups
VDD
VDDIO
GND
63
1
USB_48 outputs
47
SRC/27MHz Outputs
16
10,18
SRC Logic Core
11,17
SRC differential outputs (IO's)
35
33
SB_SRC Core Logic
34
SB_SRC differential outputs (IO's)
40
43
SRC/SATA differential output
26
24
ATIG Core Logic
25
ATIG differential outputs (IO's)
48
43
CPUKG Core Logic
47
CPUKG differential outputs (IO's)
55
52
HTTCLK output
56
60
REF outputs
Description
Pin Number
REF(2:0)
CPUKG
OSC
14.318MHz
SB_SRC(1:0)
SRC(5:0)
100MHz
48MHz_(1:0)
X1
X2
Fixed PLL
SS SB_SRC
200MHz
PD#
SEL_SATA
SMBCLK
SMBDAT
Control
Logic
HTT0/66MHz
100MHz
SRC6/SATA
100MHz DIF/66MHz
SS PLL
CPU/HTT, SRC,
ATIG
CLKREQ(5:0)#
100MHz
ATIG(2:0)
SEL_HTT66
SEL_27
27MHz SS PLL
SRC7C/27MHz_NS
SRC7T/27MHz_SS
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