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5
5
4
4
3
3
2
2
1
1
D D
C
C
B
B
A A
REF_SEL
PLLLOCK
PLL_LOCK
STAT_VCXO/I_REF_CP
STAT_VCXO
RESET RST
PWRDWN
PW R_DW N
GND
VCC_CP
AVCC
AVCC
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
CP_OUT
CTRL_LE
CTRL_CLK
CTRL_DATA
PRI_REF
SEC_REF
VBB
VCXO_IN
VCXO_INB
Y4
Y4B
Y3
Y3B
Y2
Y2B
Y1
Y1B
Y0B
Y0
Title
Size Document Number R ev
Da te: Sheetof
CDCM7005EVM_QFN−SCH
A
CDCM7005_QFN Evaluation Module
B
35
Tuesday, April 26, 2005
SW1
R54 750
12
J25
1
2
3
R57 10K
12
D3Amber
1 2
D2Amber
1 2
J29
1
2
R5910K
1 2
D1Amber
1 2
U2
CDCM7005
Y2B
8
Y2A
7
VCC_CP
33
AVCC
32
NC
34
Y3B
12
Y3A
11
REF_SEL
35
AVCC
39
AVCC
38
SEC_REF
37
PRI_REF
36
VCXO_IN
43
VCXO_INB
42
VBB
40
/RESET or /HOLD
14
Y4A
16
Y4B
17
/PD
1
Y1A
3
Y1B
4
STATUS_VCXO or I_REF_CP
22
STATUS_REF or PRI_SEC_CLK
23
GND
24
PLL_LOCK
25
CTRL_DATA
26
AVCC
27
CTRL_CLK
28
CTRL_LE
29
AVCC
30
CP_OUT
31
Y0A
46
Y0B
47
C34
10n
12
C31
22n
1 2
J26
1
2
3
J27
1
2
3
R58
NU 12K 1%
1 2
SW2
R60
10K
1 2
C3310n
1 2
C32
100P
1 2
J28
1
2
R56 750
12
R55 750
12
C3510n
12