Analog Devices EVAL-AD5326DBZ, Руководство пользователя

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EVAL-AD5326DBZ User Guide UG-977
Rev. 0 | Page 7 of 14
EVALUATION BOARD SCHEMATICS AND ARTWORK
EVAL-MBnanoDAC-SDZ MOTHERBOARD
14448-
008
EXT_VDD
VLOGIC
GND
EXT_VSS
CONNECTOR
STANDARD
SDP
PARALLEL
PORT
SPORT
SPI
I2C
GENERAL
INPUT/OUTPUT
TIMERS
*NC ON BLACKFIN SDP
120
NC
119
NC
118
GND
117
GND
116
VIO(+3.3V)
115
GND
114
*PAR_D22
113
*PAR_D20
112
*PAR_D18
111
*PAR_D16
110
PAR_D15
109
GND
108
PAR_D12
107
PAR_D10
106
PAR_D8
105
PAR_D6
104
GND
103
PAR_D4
102
PAR_D2
101
PAR_D0
100
99
98
GND
97
PAR_A2
96
PAR_A0
95
PAR_FS2
94
PAR_CLK
93
GND
92
SPORT_RSCLK
91
SPORT_DR0
90
SPORT_RFS
89
SPORT_TFS
88
SPORT_DT0
87
SPORT_TSCLK
86
GND
85
SPI_SEL_A
84
SPI_MOSI
83
SPI_MISO
82
SPI_CLK
81
GND
80
SDA_0
79
SCL_0
78
GPIO1
77
GPIO3
76
GPIO5
75
GND
74
GPIO7
73
TMR_B
72
TMR_D
71
CLK_OUT
70
NC
69
GND
68
NC
67
NC
66
NC
65
WAKE
64
SLEEP
63
GND
62
UART_TX
61
BMODE1
60
RESET_IN
59
UART_RX
58
GND
57
RESET_OUT
56
EEPROM_A0
55
NC
54
NC
53
NC
52
GND
51
NC
50
NC
49
TMR_C*
48
TMR_A
47
GPIO6
46
GND
45
GPIO4
44
GPIO2
43
GPIO0
42
SCL_1
41
SDA_1
40
GND
39
SPI_SEL1/SPI_SS
38
SPI_SEL_C
37
SPI_SEL_B
36
GND
35
SPORT_INT
34
SPI_D3*
33
SPI_D2*
32
SPORT_DT1
31
SPORT_DR1
30
SPORT1_TDV*
29
SPORT0_TDV*
28
GND
27
PAR_FS1
26
PAR_FS3
25
PAR_A1
24
PAR_A3
23
GND
22
PAR_CS
21
PAR_RD
20
PAR_D1
19
PAR_D3
18
PAR_D5
17
GND
16
PAR_D7
15
PAR_D9
14
PAR_D11
13
PAR_D13
12
PAR_D14
11
GND
10
PAR_D17*
9
PAR_D19*
8
PAR_D21*
7
PAR_D23*
6
GND
5
USB_VBUS
4
GND
3
GND
2
NC
1
VIN
J10
1
A0
2
A1
3
A2
4
VSS
8
VCC
7
WP
6
SCL
5
SDA
U3
24LC32
R2
100kΩ
R4
DNP
R3
100kΩ
DGND AGND
L1
BEAD
R1
1.6Ω
+
C11
4.7µF
C10
0.1µF
+
C7
10µF
1
VIN
2
GND
3
EN
4
NC
5
VOUT
U2
ADP121-AUJZ33
C3
1µF
C4
1µF
C
B
A
LK5
J6-1
J6-2
C5
0.1µF
+
C6
10µF
A
B
LK6
J5-1
J5-2
J5-3
C2
0.1µF
+
C1
10µF
A
B
LK7
R7
100Ω
R5
100Ω
R6
100Ω
R8
100Ω
R9
100Ω
R10
100Ω
R11
100Ω
R12
100Ω
R13
100Ω
R14
100Ω
C8
0.1µF
+
C9
10µF
R15
100Ω
R16
DNP
PD
SCL
SDA
CS
WR
DB0
DB2
DB4
DB6
DB8
DB10
DB1
DB3
DB5
DB7
DB9
DB11
+3.3V
+3.3V
DGND
+5V
USB_VBUS
USB_VBUS
+3.3V
VDD
+3.3V
DGND
VLOGIC
DGND
+3.3V
DGND DGND
VSS
+5V
CLR
LDAC
SCLK
SDO
SDIN
SYNC
EXT_VDD
EXT_VDD
+5V
DGND
DGND
DGND
DGND
DGND DGND
Figure 8. Motherboard SDP-B Connector and Power Supply
14448-
009
EX_REF_1 EX_REF_2 EX_REF_3 EX_REF_4
VREF_1 VREF_2 VREF_3
VREF_4
D
C
A
B
E
REF3
D
C
A
B
E
REF4
D
C
A
B
E
REF1
D
C
A
B
E
REF2
+5VREF
+2_5VREF
+4_096VREF
VREF1
+5VREF
+2_5VREF
+4_096VREF
VREF2
+5VREF
+2_5VREF
+4_096VREF
VREF3
+5VREF
+2_5VREF
+4_096VREF
VREF4
VDD VDD VDD VDD
+2.5V
+4.096V
C16
1µF
C15
1µF
6
OUTPUT
2
VS
3
SLEEP
4
GND
U6
REF198
C17
1µF
+5V
+2.5V +4.096V
2
VIN
5
TRIM
6
VOUT
4
GND
U4
ADR445ARMZ
2
VIN
4
GND
5
TRIM
7
COMP
6
VOUT
U5
ADR431BRZ
+5VREF +2_5VREF
+4_096VREF
VDD VDD VDD
Figure 9. Motherboard Reference Voltage Selector Circuit