PAN1781 Bluetooth Module
Module Integration Guide Rev. 1.1
Page 2 of 26
Overview
The PAN1781 is a Bluetooth 5.1 Low Energy (LE)
module based on the Nordic nRF52820 single chip
controller.
Features
•
Surface mount type dimensions:
15.6 mm × 8.7 mm × 2 mm
•
Drop-in replacement for PAN1026A and PAN1762
•
Nordic nRF52820 featuring ARM
Cortex
®
-M4 with
64 MHz
•
Bluetooth 5.1 LE including LE 2M and LE Coded
PHY
•
Embedded 256 kB flash memory and 32 kB
internal RAM
•
128-bit AES/ECB/CCM/AAR co-processor
•
Up to 16
General Purpose I/O’s (GPIO), which are
shared w
ith up to 2× SPI, 2× I²C, UART, COMP,
QDEC, nRESET
•
USB 2.0 full-speed device interface
•
Built-in temperature sensor
Bluetooth
•
LE 2 Mbps high speed PHY, LE long range coded
PHY
•
LE advertising extensions (advertising on
40 channels total)
•
Channel selection algorithm #2
•
LE secure connections
•
Angle of arrival (AoA) and angle of
departure (AoD) direction finding
Characteristics
•
Typical sensitivity: -
95 dBm at 1 Mb/s
and -
103 dBm at 125 kb/s
•
Typical max. output power: 8 dBm, configurable
from -
20 dBm in 4 dB steps and -40 dBm in
whisper mode
•
Typical current consumption: 4.9 mA in Tx (at
0 dBm) and 4.7 mA in Rx mode
•
Typical current consumption: 0.3 µA in System
OFF mode, 1.2 µA with RTC wake up
•
On-module DC/DC and LDO regulators with
automated low current modes
•
Voltage range: 1.7 V to 5.5 V
•
Temperature range: -
40 °C to 85 °C
Block Diagram
Chip
Antenna
Nordic
nRF52820
SPI
Reset
PAN1781
Bluetooth
â
Low Energy 5.1 Module
Crystal
32.768 kHz
RAM
32 kB
UART
I²C
QDEC
SWD
1.7 V to 3.6 V
DC-DC
Conversion
GPIOs
2.5 V to 5.5 V
USB 2.0 Device
Flash
256 kB
Crystal
32 MHz
COMP
