A121-001-R datasheet(7/29 Pages) ACCOONEER

tên linh kiện	A121-001-R

Giải thích chi tiết về linh kiện	A121 – Pulsed Coherent Radar (PCR)

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A121 Pulsed Coherent Radar (PCR)

Datasheet v1.0

Page 7 of 29

2023-03-30

Pin Configuration and Functions

The below figure shows the A121 pin configuration, top view:

Analog0

CTRL

Analog1

GPIO3

VRX

VTX

GND

VRX

VTX

Supply

PLL_RF

_TEST

I/O

GPIO1

ENABLE

CLK

Analog

GPIO2

XOUT

RESET_N

SPI_SS

VDIG

XIN

SPI_CLK

SPI_MISO

GPIO4

SPI_MOSI

INTERRUPT

VIO

Figure 3.1. Pin configuration of the A121 sensor, top view.

Table 1 shows A121 pin functions.

Pin name

Pin type

Description

Comment

A3-A8, B2, B9,

C1, C10, D2,

D9, E1, E2, E9,

F2, F9, G1,

G10, H2, H9,

J3, J5, J6, J8,

K4, K7

GND

Ground

Must be connected to solid

ground plane

Analog0

Analog

Not connected or ground.

Ground recommended for

optimized ground plane.

CTRL

I/O

For future use. Connect to

ground

Analog1

Analog

Not connected or ground.

Ground recommended for

optimized ground plane.

B10

GPIO3

I/O

For future use. Connect to

ground

C2, D1

VRX

Supply voltage

Supply voltage, RF part

C9, D10

VTX

Supply voltage

Supply voltage, RF part

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