Data Sheet

A111 Pulsed Coherent Radar (PCR)
Datasheet, v1.8
Page 19 of 34 2019-06-12 © 2019 Copyright by Acconeer
7.3 Power Up Sequence
The power-up sequence is described using the recommended integration shown in the below figure:
A111
INTERRUPT
SPI_SS
SPI_MISO
SPI_MOSI
SPI_CLK
ENABLE
VIO_1a,b
VIO_2a,b
VIO_3a,b
VBIAS
XIN
XOUT
GNDs
R1
1.8V
X1
C8C7
R2 C4
C1
C5
C2
C6
C3
Host
Figure 7.3. Recommended integration of the A111 radar sensor.
The power up sequence is shown in below figure.
Time
VIO_1-3a,b
ENABLE
t
1
t
2
XIN
Figure 7.4. Power up sequence