Rigado Inc. 11 ユーザーズマニュアル
BMD-345 Module Datasheet
Bluetooth 5 + 802.15.4
July 11, 2018
BMD-345-DS V1.0
Page 2 of 20
2. Block Diagram
BMD-345 Bluetooth 5 Low Energy SoC Module
32 MHz
Crystal
nRF52840-QIAA
1MB Flas h
DC-DC
Inductor
Decoupling
Capacitors
Bulk
Capacitors
2.4GHz Radio
Multi-protocol
TWI
Master x2
SPI
Master x4
SPI Slave
x3
Core DC/DC
Buck Regulator
Core LDO
256kB
RAM
Low Power
Comparator
8-ch 12-bit
ADC
UART
x2
Quadrature
Decoder
SWD Debug &
Programming
Temperature
Sensor
Cloc k
Management
Watchdog
Timer
Random Number
Gen
Timer x5
Accel Address
Resolver
AES CCM Mode
Encryption
AES ECB
Real Time
Counter x3
GPIO Task
Event Blocks
Programmable
Peripheral
Interconnect
ARM Cortex-M4F
@ 64MHz
PA / LNA +
RF Swi tch
Mat chi ng
Network
GPIO x48
(Analog x8)
I2S
TWI Slave
x2
PWM
x4
PDM
General
Purpose
Comparator
NFC Tag
B
a
lu
n
DC-DC
Inductor
5V DC/DC Buck
Regulator
TWI Slave
x2
QSPI Master
w/XIP
USB2.0
5V LDO
ARM CryptoCell
SW
Interrupts
Memory
Watch Unit
u.FL
Connector
PCB Pad
Figure 1 – Block Diagram