參數(shù)資料
型號: MAX9451EHJ
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 時鐘及定時
英文描述: High-Precision Clock Generators with Integrated VCXO
中文描述: 9451 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封裝: 5 X 5 MM, 1 MM HEIGHT, MS-026-AAA-HD, TQFP-32
文件頁數(shù): 13/18頁
文件大?。?/td> 323K
代理商: MAX9451EHJ
M
High-Precision Clock Generators
with Integrated VCXO
______________________________________________________________________________________
13
AD0
Low
Low
Low
Open
Open
Open
High
High
High
AD1
Low
Open
High
Low
Open
High
Low
Open
High
ADDRESS
1101000
1101001
1101010
1101011
1101100
1101101
1101110
1101111
Convert to SPI
Table 3. I
2
C Address Setting by AD0 and AD1
REGISTER NAME
CR0
CR1
CR2
CR3
CR4
CR5
CR6
CR7
CR8
REGISTER ADDRESS
00000000
00000001
00000010
00000011
00000100
00000101
00000110
00000111
00001000
FUNCTION
P divider
M divider byte 1
M divider byte 2
N1 divider
N2 divider
Control
Control
Status
Reserved
Table 4. I
2
C and SPI Register Address*
CR0
DIVIDING RATE FOR P
1
2
255
256
0000-0000
0000-0001
1111-1110
1111-1111
Table 5. Dividing Rate Setting for P Divider
CR1
CR2[7:1]*
0000-000
0000-001
0011-110
0011-111
1111-111
DIVIDING VALUE OF M
1
2
8191
8192
32,768
0000-0000
0000-0000
1111-1111
1111-1111
1111-1111
Table 6. Dividing Rate Setting for M Divider
*
When the SPI port is activated, the first address bit on the left
is omitted and the remaining 7 bits are used. The LSB is the
first bit on the right.
*
The last 5 LSBs of CR3[4:0] and CR4[4:0] are reserved.
*
CR2[0], the last LSB, is reserved.
CR3*
DIVIDING
VALUE OF N0
CR4*
DIVIDING
VALUE OF N1
000XXXXX
001XXXXX
010XXXXX
011XXXXX
100XXXXX
101XXXXX
110XXXXX
111XXXXX
1
2
3
4
5
6
8
16
000XXXXX
001XXXXX
010XXXXX
011XXXXX
100XXXXX
101XXXXX
110XXXXX
111XXXXX
1
2
3
4
5
6
8
16
Table 7. Dividing Rate Setting for N0 and
N1 Divider
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