3.1.2 Signal Definition of the BOOSTXL-DAC-PORT
The BOOSTXL-DAC-PORT provides hardware connectors for the Analog EVM Controller (J13, J14), external
power (J12), the TPL1401EVM (J1, J2), and the external function extender (J4, J5). The descriptions are
provided in
through
.
Table 3-1. BOOSTXL-DAC-PORT J13 Pin Definitions
Pin#
Signal
Description
11
GPIO
General-purpose I/O
12
CS
SPI CS or general-purpose I/O
13
GPIO
SPI
14
MISO
SPI MISO
15
MOSI
SPI MOSI
16
RST
MCU reset output
17
GPIO
General-purpose I/O
18
GPIO
General-purpose I/O
19
GPIO
General-purpose I/O
20
GND
Ground
31
GPIO
General-purpose I/O
32
GPIO
General-purpose I/O
33
GPIO
General-purpose I/O
34
GPIO
General-purpose I/O
35
EXT_LDAC
External LDAC I/O
36
EXT_LDAC
External LDAC I/O
37
SPI_BUF_EN
Digital, SPI buffer enable
38
GPIO
General-purpose I/O
39
GPIO
General-purpose I/O
40
GPIO
General-purpose I/O
Table 3-2. BOOSTXL-DAC-PORT J14 Pin Definitions
Pin#
Signal
Description
1
+3.3V
3.3-V power supply
2
GPIO
General-purpose I/O
3
GPIO
General-purpose I/O
4
GPIO
General-purpose I/O
5
GPIO
General-purpose I/O
6
GPIO
General-purpose I/O
7
SCLK_A0
SPI SCLK or I
2
C A0
8
GPIO
General-purpose I/O
9
SCL
I
2
C SCL
10
SDA
I
2
C SDA
21
+5V
5-V power supply
22
GND
Ground
23
GPIO
General-purpose I/O
24
GPIO
General-purpose I/O
25
VDD_SENSE
Sense Input for VDD
26
VIO_SENSE
Sense Input for VIO
27
GPIO
General-purpose I/O
28
GPIO
General-purpose I/O
Detailed Description
SNAU257 – OCTOBER 2020
TPL1401 Evaluation Module
11
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