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ICS9LPRS477D データシート(PDF) 5 Page - Renesas Technology Corp

部品番号 ICS9LPRS477D
部品情報  PROGRAMMABLE SYSTEM CLOCK CHIP FOR ATI RD790-K8TM BASED SYSTEMS
PDF  27 Pages
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メーカー  RENESAS [Renesas Technology Corp]
ホームページ  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ICS9LPRS477D データシート(HTML) 5 Page - Renesas Technology Corp

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9LPRS477D
PROGRAMMABLE SYSTEM CLOCK CHIP FOR ATI RD790-K8TM BASED SYSTEMS
IDT®
PROGRAMMABLE SYSTEM CLOCK CHIP FOR ATI RD790-K8TM BASED SYSTEMS
5
9LPRS477D
REV C 010715
True output
Complement
Output
True output
Complement
Output
1
0
Enable
Running
Running
Running
Running
0
X
X
Low/20K
Low
Low/20K
Low
1
1
Enable
Running
Running
Low/20K
Low
XX
Disable
Low/20K
Low
Low/20K
Low
Note: 20K means 20Kohm Pull Down
1
Enable
Running
Running
Running
0
Enable
Low
Hi-Z
Hi-Z
USB
RE F2
PD#
SMBus
Register OE
REF0, 1
Differential Output Power Management Table
Singled-ended Power Management Table
Free-Run
CLKREQ# Selected
PD#
CLKREQ#
SMBus
Register OE
Table1: CPU and HTT Frequency Selection Table
Bit4
Bit3
Bit2
Bit1
Bit0
CPU
FS4
CPU
FS3
CPU
FS2
CPU
FS1
CPU
FS0
SEL_HTT66 = 1
SEL_HTT66 = 0
(MHz)
0
0
0
0
0
200.00
66.67
100.00
0%
2
400.00
0
0
0
0
1
205.00
68.33
102.50
2%
2
410.00
0
0
0
1
0
210.00
70.00
105.00
5%
2
420.00
0
0
0
1
1
215.00
71.67
107.50
8%
2
430.00
0
0
1
0
0
220.00
73.33
110.00
10%
2
440.00
0
0
1
0
1
225.00
75.00
112.50
13%
2
450.00
0
0
1
1
0
230.00
76.67
115.00
15%
2
460.00
0
0
1
1
1
235.00
78.33
117.50
18%
2
470.00
0
1
0
0
0
240.00
80.00
120.00
20%
2
480.00
0
1
0
0
1
245.00
81.67
122.50
23%
2
490.00
0
1
0
1
0
250.00
83.33
125.00
25%
2
500.00
0
1
0
1
1
255.00
85.00
127.50
28%
2
510.00
0
1
1
0
0
260.00
86.67
130.00
30%
2
520.00
0
1
1
0
1
265.00
88.33
132.50
33%
2
530.00
0
1
1
1
0
270.00
90.00
135.00
35%
2
540.00
0
1
1
1
1
200.00
66.67
100.00
0%
2
400.00
1
0
0
0
0
280.00
93.33
140.00
40%
2
560.00
1
0
0
0
1
285.00
95.00
142.50
43%
2
570.00
1
0
0
1
0
290.00
96.67
145.00
45%
2
580.00
1
0
0
1
1
295.00
98.33
147.50
48%
2
590.00
1
0
1
0
0
300.00
100.00
150.00
50%
2
600.00
1
0
1
0
1
305.00
101.67
152.50
53%
2
610.00
1
0
1
1
0
310.00
103.33
155.00
55%
2
620.00
1
0
1
1
1
315.00
105.00
157.50
58%
2
630.00
1
1
0
0
0
320.00
106.67
160.00
60%
2
640.00
1
1
0
0
1
325.00
108.33
162.50
63%
2
650.00
1
1
0
1
0
330.00
110.00
165.00
65%
2
660.00
1
1
0
1
1
335.00
111.67
167.50
68%
2
670.00
1
1
1
0
0
340.00
113.33
170.00
70%
2
680.00
1
1
1
0
1
345.00
115.00
172.50
73%
2
690.00
1
1
1
1
0
350.00
116.67
175.00
75%
2
700.00
1
1
1
1
1
355.00
118.33
177.50
78%
2
710.00
Spread
%
(B6b6=1
and
B3b5=1)
CPU
OverClock %
CPU
Output
Divider
VCO
Byte 3
HTT
Single-ended
HTT
Differential
CPU
(MHz)



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