Texas Instruments ADS1235EVM, User Manual

Page: 26 / 34

TPD4S012DRYR
D+
1
D-
2
ID
3
GND
4
NC
5
VBUS
6
U12
CLKOUT
1
NXT
2
DATA[0]
3
DATA[1]
4
DATA[2]
5
DATA[3]
6
DATA[4]
7
REFSEL[0]
8
DATA[5]
9
DATA[6]
10
REFSEL[1]
11
NC
12
DATA[7]
13
REFSEL[2]
14
SPK_L
15
SPK_R
16
CPEN
17
DP
18
DM
19
VDD33
20
VBAT
21
VBUS
22
ID
23
RBIAS
24
XO
25
REFCLK
26
RESET
27
VDD18
28
STP
29
VDD18
30
DIR
31
VDDIO
32
PAD
33
U10
USB3320
+1.8V +3.3V +3.3V
+3.3V
8.06k
R69
S3
10.0k
R71
0.1uF
C62
S5 DNP
10.0k
R75
DNP
0.1uF
C64
DNP
GND
GND
GND
GND
1.00k R68
10.0k
R70
GND
0.1uF
C60
GND
USB_VBUS
ULPI_DIGITAL_BUS
USBD0
USBD1
USBD2
USBD3
USBD4
USBD5
USBD6
USBD7
USBSTP
USBNXT
USBDIR
USBCLK
USBRST
ULPI_DIGITAL
ULPI_DIGITAL
TS3USB221ERSER
1D+
1
1D-
2
2D+
3
2D-
4
GND
5
OE
6
D-
7
D+
8
S
9
VCC
10
U11
+3.3V
0.1uF
C61
GND
10.0k
R67
S4
10.0k
R73
0.1uF
C63
GND
+3.3V
BSL
+3.3V
+3.3V
FAULT_RST
Pressing S1 clears the fault
indicator and corresponding LED.
100 R72
100 R76
DNP
100 R74
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U14
DNP
+3.3V
Green
D3
Red
D4
BUSY
1.00k
R77
Green
D2
START
LEDs
EEPROM
10.0k
R80
DNP
10.0k
R81
DNP
+3.3V
WP Pin Connection:
- GND: Writing enabled
- VCC: Writing disabled
0.1uF
C66
DNP
GND
+3.3V
0.1uF
C65
GND GND
2.94k
R79
2.94k
R78
GND
GND
(Connection to 'TM4C_Main' page)
ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS ULPI_DIGITAL_BUS
BUTTONS
MISC_DIGITAL_BUS
BUTTON1
BSL_BUTTON
BUTTON2
LED1_GREEN
LED2_GREEN
LED3_RED
EEPROM.SCL
EEPROM.SDA
MISC_DIGITAL
MISC_DIGITAL
(Connection to 'TM4C_Main' page)
MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS MISC_DIGITAL_BUS
VBUS
1
D-
2
D+
3
ID
4
GND
5
6 7 8
1
1
1
0
9
J8
Micro USB,
Type-B,
Recepticle
USB
USB_DIGITAL_BUS
USB_FS_DP
USB_FS_DM
USB_MUX_SEL
USB_DIGITAL
USB_DIGITAL
(Connection to 'TM4C_Main' page)
USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS USB_DIGITAL_BUS
NOTE: Pins 1 and 2 are equivalent
and swapped for simplified layout
7 1
U13A
5 3
U13B
2 6
U13C
VCC
8
GND
4
SN74LVC3G06DCUT
U13D
+5V
EVM Bill of Materials, PCB Layouts, and Schematics
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26
SBAU293 – March 2018
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ADS1261 and ADS1235 Evaluation Module
ADVANCE INFORMATION
Figure 17. ADS1261EVM USB and Peripherals Schematic