Table 3-3. BOOSTXL-DAC-PORT J4 Pin Definitions
Pin#
Signal
Description
1
AIO0
Analog I/O
2
AGND
Analog ground
3
AIO2
Analog I/O
4
AIO4
Analog I/O (AFE_FB3)
5
AGND
Analog ground
6
AIO6
Analog I/O (AFE_OUT3)
7
AIO8
Analog I/O
8
AGND
Analog ground
9
AIO10
Analog I/O
10
AIO12
Analog I/O (AFE_OUT2)
11
AGND
Analog ground
12
AIO14
Analog I/O (AFE_FB2)
13
EXT_REF
External reference input
14
GND
Ground
15
VCC
VCC output
16
VDD
VDD output
Table 3-4. BOOSTXL-DAC-PORT J5 Pin Definitions
Pin#
Signal
Description
1
AIO1
Analog I/O
2
AGND
Analog ground
3
AIO3
Analog I/O
4
AIO5
Analog I/O (AFE_VREF)
5
AGND
Analog ground
6
AIO7
Analog I/O (AFE_CAP)
7
AIO9
Analog I/O (AFE_FB0)
8
AGND
Analog ground
9
AIO11
Analog I/O (AFE_OUT0)
10
AIO13
Analog I/O (AFE_OUT1)
11
AGND
Analog ground
12
AIO15
Analog I/O (AFE_FB1)
13
REFGND
External reference ground
14
GND
Ground
15
VSS
VSS output
16
VIO or DAC_VIO
VIO or DAC_VIO output
Table 3-5. BOOSTXL-DAC-PORT J12 Pin Definitions
Pin#
Signal
Description
1
VCC
High-voltage positive power supply
2
VSS
High-voltage negative power supply
3
GND
Ground
4
EXT_VDD
External VDD
5
EXT_VIO
External VIO
Detailed Description
SLAU859 – JULY 2021
AFE539A4EVM
11
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