Acconeer A111, Техническое описание, Страница: 8 / 34

A111 Pulsed Coherent Radar (PCR)
Datasheet, v1.8
© 2019 Copyright by Acconeer 2019-06-12 Page 8 of 34
Pin Pin name Pin type Description Comment
F2, F9 GND Ground Must be connected to solid ground plane
F10 ENABLE I/O Must be connected to host MCU
available GPIO. ENABLE is active high
G1,
G10 GND Ground Must be connected to solid ground plane
H1 GND Ground Must be connected to solid ground plane
H2, H9 GND Ground Must be connected to solid ground plane
H10 XOUT CLK XTAL out No connect
if no XTAL
J1 VBIAS Analog The analog VBIAS must be connected to
VIO_3
J2 SPI_SS I/O SPI slave select, active low select.
J3, J5,
J6, J8 GND Ground Must be connected to solid ground plane
J9 VIO_3a Supply voltage Supply voltage, digital part
(1)
J10 XIN CLK XTAL input OR external ref clk input 1.1V
domain
K2 SPI_CLK I/O SPI Serial Clock
K3 SPI_MISO I/O Master Input
– Slave Output
K4 GND Ground Must be connected to solid ground plane
K5 GND Ground Must be connected to solid ground plane
K6 SPI_MOSI I/O Master Output
– Slave Input
K7 GND Ground Must be connected to solid ground plane
K8 INTERRUPT I/O Interrupt signal, that is used as an
interrupt in the host, more details are
found in section 7,
Description .
mandatory
K9 VIO_3b Supply voltage Supply voltage, digital part (1)
Table 3.1. A111 sensor pin list
(1) VIO_1a and VIO_1b are short circuit inside the sensor. VIO_2a and VIO_2b are short circuit inside the sensor. VIO_3a
and VIO_3b are short circuit inside the sensor.