Hardware Design V1.0

NB-IoT Module Series
BC95 Hardware Design
BC95_Hardware_Design Confidential / Released 11 / 45
2.3. Functional Diagram
The following figure shows a block diagram of BC95 and illustrates the major functional parts.
Radio frequency
Power management
Peripheral interface
RF_ANT
Switch
RX_SAW
RF_PA
TX
Filter
VBAT
Load
Switch
APT DCDC
PMU
DCDC
32K
LDO
RF Transceiver
and Analogue
VDD_EXT
TCXO
38.4M
XTAL
Driver
Baseband
RESET
Main UART
Debug UART
USIM
Flash
SRAM
SPI
SPI Flash
(Optional)
SWD
NETLIGHT
ADC
Figure 1: Functional Diagram
2.4. Evaluation Board
In order to help you to develop applications with BC95, Quectel supplies the evaluation board (EVB),
RS-232 to USB cable, power adapter, antenna and other peripherals to control or test the module.
Quectel
Confidential