參數(shù)資料
型號: ICS650R-27IT
英文描述: Networking Clock Source
中文描述: 網(wǎng)絡時鐘源
文件頁數(shù): 3/6頁
文件大小: 99K
代理商: ICS650R-27IT
Networking Clock Source
MDS 650-27 D
3
Revision 070505
Integrated Circuit Systems, Inc.
525 Race Street, San Jose, CA 95126
tel (408) 297-1201
www.icst.com
ICS650-27
For a 25 MHz fundamental crystal or clock input, the following four tables apply:
A Clocks Select Table (outputs in MHz)
C Clocks Select Table (outputs in MHz)
B Clocks Select Table (outputs in MHz)
Reference Output Clock Frequency (in MHz)
For a 12.5 MHz fundamental crystal or clock input, the following four tables apply:
A Clocks Select Table (outputs in MHz)
C Clocks Select Table (outputs in MHz)
B Clocks Select Table (outputs in MHz)
Reference Output Clock Frequency (in MHz)
0 = connect directly to GND
M = leave unconnected (automatically self biases to VDD/2)
1 = connect directly to VDD
ASC1
ASC0
CLKA1
CLKA2
0
0
100
off (low)
0
M
Test
Test
0
1
75
off (low)
1
0
33.3333
16.6667
1
M
Test
Test
1
1
66.6667
33.3333
CCS
CLKC1
CLKC2
0
125
125
M
Test
Test
1
75
75
BSC1
BSC0
CLKB1
CLKB2
0
0
Test
Test
0
M
66.6667
33.3333
0
1
100
50
1
0
83.3333
41.6667
1
M
Test
Test
1
1
133.3333
66.6667
REFOUT
25
ASC1
ASC0
CLKA1
CLKA2
0
0
50
off (low)
0
M
Test
Test
0
1
37.5
off (low)
1
0
16.6667
8.3333
1
M
Test
Test
1
1
33.3333
16.6667
CCS
CLKC1
CLKC2
0
62.5
62.5
M
Test
Test
1
37.5
37.5
BSC1
BSC0
CLKB1
CLKB2
0
0
Test
Test
0
M
33.3333
16.6667
0
1
50
25
1
0
41.6667
20.8333
1
M
Test
Test
1
1
66.6667
33.3333
REFOUT
12.5
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