Analog Devices AD9959/PCB Manual page 27

AD9959/PCB
I/O UPDATE OUT
J15
I/O_UPDATE_U
U9
3 4
USB_STATUS
74LVC14A
R16
VBUS
800Ω
VCC_USB
VCC_USB
U8
1
NC1
2
NC2
3
NC3
4
GND VSS
24LC00
VCC_USB
C24
0.1µF
GND
AVDD3
R36 R37
0Ω 0Ω
BG_VDD
PWR_DWN_U
RESET_U
SCLK_U
CSB_U
IO_UPDATE_U
IP3_U
P2_U
P1_U
P0_U
R71
SDIO_0
GND
1kΩ
GND
R13
PC_CTRL
50Ω
I/O UPDATE IN
J14
P3_U
P2_U
P1_U
U12
1 P0_U
3
2
RURD_0_U
74LVC32A
RURD_1_U
RURD_2_U
U9
R15
1 2
GND
300Ω
CR2
74LVC14A
GND GND
GND
CR1
C39 C40
22pF 22pF
x1
2
1
24MHz
U7
1
VBUS
VBUS
2
D–
USB_HDR
3
D+
4
GND
5
C92 R20
SHIELD0
4700pF 1MΩ
6
SHIELD1
R18
2.2kΩ R19
2.2kΩ
SDIO_0
SDIO_1
8
SDIO_2
VCC VCC_USB
7
SDIO_3
NC4
6
SCL
5
SCA
W9
RURD_0
RURD_1
RURD_2
USB BYPASS CAPACITORS
C25 C26 C27 C28
0.1µF 0.1µF 0.1µF 0.1µF
CLK_VDD
R35 R33 R34 R32
0Ω 0Ω 0Ω 0Ω
BG_VDD
Figure 50. AD9959/PCB Schematic, Page 3
I/O HEADERS
U13
1 2
P1 P2
3 4
P3 P4
R67
5 6
GND
P5 P6
R66
7 8
GND
P7 P8
R29
9 10
GND
P9 P10
R65
11 12
GND
P11 P12
13 14
P13 P14
15 16
P15 P16
17 18
P17 P18
19 20
P19 P20
21 22
P21 P22
R68
23 24
GND
P23 P24
R69
25 26 GND
P25
P26
R70
GND
GND
I/O BUFFERS
U5
VCC_USB:20
1
OE1
19
OE2
GND:10
74LVC541A
9 11
Y7
A7 P3
8 12
Y6
A6 P2
7 13
Y5
A5 P1
6 14
A4 Y4 P0
5 15
A3 Y3
IO_UPDATE
4 16
Y2
A2 RURD_0
3 17
Y1
A1 RURD_1
2 18
Y0
A0 RURD_2
1
RURD_0_U
PD5/FD13
2
RURD_1_U
PD6/FD14
3
RURD_2_U
PD7/FD15
4
GND
GND1
5
CLKOUT
6
VCC_USB
VCC1
7
GND
GND2
8
ADY0/SLRD
9
RDY1/SLWR
10
VCC_USB
AVCC
11
XTALOUT
12
XTALIN
13
GND
AGND
14
VCC_USB
VCC2
15
DPLUS
16
GND
DMINUS
17
GND
GND3
18
GND1 VCC_USB
VCC3
19
GND
GND
20
TP
IFCLK
21
GND
RESERVED
22
SCL
23
SDA
24
VCC_USB
VCC4
25
PB0/FD0
W10 26
PB1/FD1
27
W1
PB2/FD2
28
W2
PB3/FD3
W3
CY7C68013
R14
W6
2.2kΩ
W4
W5
GND
C29 C30 C31 C32 C33
0.1µF 0.1µF 0.1µF 0.1µF 0.1µF
R38 R39 R40 R41 R42
0Ω 0Ω 0Ω 0Ω 0Ω
Rev. 0 | Page 26 of 28
U2
1
P1 P2
3
1kΩ
P0 P3 P4
5
1kΩ P5
P1 P6
7
1kΩ P7 P8
P2
9
1kΩ P9 P10
P3
11
IO_UPDATE P11 P12
13
P13 P14
CSB
15
P15 P16
SCLK
17
P17 P18
RESET
19
PWR_DWN P19 P20
21
P21 P22
SDIO_3
1kΩ
23
P23 P24
1kΩ SDIO_2
25
P25 P26
1kΩ SDIO_1
PC_CTRL
U6
VCC_USB
1
OE1
W7
19
OE2
GND
74LVC541A
9
Y7
PWR_DWN_U A7
8
Y6
RESET_U A6
7
SCLK_U A5 Y5
6
A4 Y4
CSB_U
5
A3 Y3
4
Y2
A2
3
Y1
A1
2
A0 Y0
USB I/O
U4
56
PD4/FD12 IO_UPDATE_U
55
PD3/FD11 P3_U
54
PD2/FD10 P2_U
53
PD1/FD9 P1_U
52
PD0/FD8 P0_U
51
WAKEUP
50
VCC7 VCC_USB
49
RESET
48
GND6 GND
47
PA7/FLAGD/SLC5
46
PA6/PKTEND
45
PA5/FIFOADR1
44
PA4/FIFOADR0
43
PA3/WU2 PWR_DWN_U
42
PA2/SLOE RESET_U
41
PA1/INT1 CSB _U
40
PA0/INT0 USB_STATUS
39
VCC6 VCC_USB
38
CTL2/FLAGC
37
CTL1/FLAGB
36
CTL0/FLAGA SCLK_U
35
GND5 GND
34
VCC5 VCC_USB
33
GND4 GND
32
PB7/FD7
31
PB6/FD6
30
PB5/FD5
29
PB4/FD4
VCC_USB
C23 C59 C61
0.1µF 0.1µF 0.1µF
GND
AVDD0
R43 R44 R45 R46
0Ω 0Ω 0Ω 0Ω
CLK_VDD
2
4
6
8
10
12
14
16
18
20
22
24
26
GND
VCC_USB:20
GND:10
11
PWR_DWN
12
RESET
13
SCLK
14
CSB
15
16
17
18
VCC_USB
R12
100kΩ
C43
10µF
GND
VCC_USB
R17
100kΩ
C41
1µF
GND
C42
2.2µF
R47 R48 R49
0Ω 0Ω 0Ω