A111 Pulsed Coherent Radar (PCR)

Datasheet, v2.8

© 2022 Copyright by Acconeer

2022-06-22

Page 8 of 35

Pin

Pin name

Pin type

Description

Comment

E1, E2,

E9, E10

GND

Ground

Must be connected to solid ground plane

F1

GND

Ground

Must be connected to solid ground plane

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 output

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

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 4.1. 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.