Texas Instruments AMC7812EVM-PDK User Manual page 22

AMC7812EVM Documentation
6 AMC7812EVM Documentation
This section contains the schematic diagrams and complete bill of materials for the AMC7812EVM. Documentation information for the SDM-USB-
DIG platform can be found in the SDM-USB-DIG Platform User's Guide, SBOU136, available at the TI website at www.ti.com.
6.1 AMC7812EVM Board Schematic
Figure 34 through Figure 36
SDMini Dig Connector
J1
2 1
DIG_GPIO2 SCL
4 3
DIG_GPIO3 DIG_GPIO0
6 5
DIG_GPIO4 SDA
8 7
DIG_GPIO5 DIG_GPIO1
10 9
DIG_GPIO6 MOSI
12 11
14 13
SCLK
16 15 C65
18 17
CS
0.1 F
20 19
MISO
SDMini Dig connector
GND
J2
1 2
AMC D1- AMC D1+
3 4
5 6
7 8
9 10
11 12
13 14
15 16
J3
1 2
AMC D2- AMC D2+
3 4
5 6
7 8
9 10
11 12
13 14
15 16
C21 C22
NI
22
AMC7812EVM-PDK User's Guide
show the schematics for this EVM.
SPI / I2C MUX
IOVDD
U1
16
VCC
C1
4 2
SCLK/SCL 1A 1B1
VDUT
0.1 F
3
1B2
7 5
MOSI/SDA 2A 2B1
IOVDD GND 6
2B2
9 11
CS/A0 3A 3B1
R17
20.0k
10
3B2
JP1
12 14
MISO/A1 4A 4B1
DIG_GPIO6 13
4B2
2 1
S
15 8
OE GND
TS5N412PW
GND GND
GND
AMC D2-
AMC D2+
AMC D1-
AMC D1+
ADC0
ADC1
ADC2
ADC3
C9 C10 C11 C12 C13 C14
NI NI NI NI NI NI
R12 0
R13 0
R14 0
R15 0
R16 0
R19 0
C15 C16 C17 C18 C19 C20
NI NI NI NI NI NI
R20 0
R21 0
R22 0
R23 0
R25 0
R26 0
R31 0
R32 0
R33 0
R34 0
R35 0
R36 0
R37 0
R38 0
R39 0
R40 0
R41 0
R43 0
C23 C24 C25 C26 C27 C28 C29 C30 C31 C32
NI NI NI NI NI NI NI NI NI NI NI
AGND
DACREF
AGND 2.5V REF
Figure 34. AMC7812EVM Schematic (1 of 3)
Copyright © 2010–2014, Texas Instruments Incorporated
IOVDD
R1
R2
20.0k
20.0k
IOVDD
SCL
SCLK
SDA
R3
0 R4
MOSI
0
CS
AVDD/DVDD
C2 C3 C4
MISO
R5
NI R6 0.1 F 0.1 F 0.1 F
NI
GND
AGND
AVCC
GND C5 C6
0.1 F 0.1 F
AGND
27
D2-/GPIO-6
28
D2+/GPIO-7
29
D1-/GPIO-4
30
ADCREF D1+/GPIO-5
31
C8
ADC-REF-IN/CMP
32
ADC-GND
4.7 F
AGND
33
CH0
34
CH1
35
CH2
36
CH3
37
CH4
38
CH5
39
CH6
40
CH7
41
CH8
42
CH9
43
CH10
44
CH11
45
CH12
46
CH13
47
CH14
48
CH15
26
DAC0-OUT
25
DAC1-OUT
24
DAC2-OUT
20
DAC3-OUT
19
DAC4-OUT
18
DAC5-OUT
51
DAC6-OUT
52
DAC7-OUT
53
DAC8-OUT
59
DAC9-OUT
60
DAC10-OUT
61
DAC11-OUT
57
REF-OUT
58
REF-DAC
R42
TP1
AGND
C64
0.01 F
DACREF SEL
JP2
1 2
3 4
5 6
IOVDD
IOVDD
C7
0.1 F R7
R8 20.0k
U2
R9 20.0k
R10 20.0k
GND AMC7812SRGC
R11 20.0k
20.0k
17
DAC-CLR-0
63
DAC-CLR-1
62
ALARM
1
RESET
2
DAV
3
CNVT
IOVDD
TP6 TP7 TP8 TP9
R18
0
4
SDI/SDA
5
SCLK/SCL
9
CS/A0
10
SDO/A1
11
A2
12
SPI/I2C
R24 IOVDD
NI
R27 R28 R29 R30
GND 20.0k 20.0k 20.0k 20.0k
13
GPIO-0
14
GPIO-1
15
GPIO-2
16
GPIO-3
0
TP2
GND
SBAU177D – September 2010 – Revised August 2014
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DIG_GPIO3
DIG_GPIO4
DIG_GPIO2
DIG_GPIO5
DIG_GPIO1
DIG_GPIO0
MOSI/SDA
SCLK/SCL
CS/A0
MISO/A1
DIG_GPIO6
J4
4
AMC GPIO0
3
AMC GPIO1
2
AMC GPIO2
1
AMC GPIO3