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  Holtek Semiconductor Electronic Components Datasheet  

BC3601 Datasheet

Sub-1GHz FSK/GFSK RF Transceiver

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BC3601
Sub-1GHz FSK/GFSK RF Transceiver
Features
• Frequency band: 315/433/470/868/915MHz
• FSK/GFSK modulation
• Supports 3-wire or 4-wire SPI interface
• Low sleep current: 0.5μA
• TX output power: 0dBm~17dBm
• TX current consumption (433MHz):
31mA@10dBm, 54mA@17dBm
• TX current consumption (868MHz):
34.5mA@10dBm, 45mA@13dBm
• RX current consumption (AGC off):
13.5mA@433MHz, 14mA@868MHz
• On-chip regulator supports input voltage of
2.0V~3.6V
• Programmable data rate: 2Kbps~250Kbps
• Physical TX/RX FIFO buffers:
TX 64 bytes, RX 64 bytes
• Simple FIFO/Block FIFO/Extend FIFO (up to 255
bytes)/Infinite FIFO modes
• High RX sensitivity (433.92MHz)
-121dBm at 2Kbps on-air data rate
-114.5dBm at 10Kbps on-air data rate
-112dBm at 50Kbps on-air data rate
-108dBm at 125Kbps on-air data rate
-105.5dBm at 250Kbps on-air data rate
• On-chip VCO and Fractional-N synthesizer with
internal loop filter
Fast PLL synthesizer settling time (35μs)
• On-chip low power RC oscillator for WOR (Wake-
on-RX) and WOT (Wake-on-TX) functions
• AFC (Auto Frequency Compensation) for
frequency drift due to X’tal aging
• Supports low cost crystal: 16/19.2MHz
• On-chip 8-bit RSSI (Received Signal Strength
Indicator)
• Programmable complex band pass filter bandwidth:
125/200kHz
• Digital channel filter for optimum performance at
various data rates
• Programmable threshold for carrier detection
• Frame synchronization recognition for both FIFO
mode and Direct mode
• Packet handling
FEC (Forward Error Correction)
Data whitening
Manchester encoding
CRC-16 checking
• ATR (Auto-Transmit-Receive)
Auto-resend
Auto-acknowledgment
WOT + Auto-resend
WOR + Auto-acknowledgment
• Packet filtering
CRC filtering
Address filtering
• Package type: 24-pin QFN
General Description
The BC3601 is a high performance and low cost CMOS
RF FSK/GFSK transceiver for wireless applications
in the 315MHz, 433MHz, 470MHz, 868MHz and
915MHz ISM (Industrial, Scientific and Medical)
frequency bands. It incorporates a baseband modem
with a programmable data rate from 2Kbps to 250Kbps.
Data handling features include 64-byte TX/RX
FIFO, packet handling, CRC generation, Forward
Error Correction and data whitening, Manshester
encoding.
The BC3601 supports short standby settling time,
X’tal settling time and on-chip regulator settling time
to meet low average power consumption requirements.
The integrated high performance 17dBm TX PA and
high sensitivity receiver make the device suitable for
long range wireless communication.
All critical RF function blocks are integrated in
the device to minimise the external component
requirements. The RF synthesizer contains a VCO
(Voltage Controlled Oscillator), an internal loop
filter and a low noise fractional-N PLL with high
channel frequency resolution. In the RX mode, two
IF (Intermedia Frequency)/complex bandpass filter
bandwidth combinations are selectable for optimum
performance between low and high (≥100K) data rate
applications.
External host MCU can access the BC3601 through
a 3-wire or 4-wire SPI interface. The device supports
short strobe commands to reduce the loading of the
host MCU while maintaining wireless communication
link.
Additional link layer features like RSSI for channel
assessment, auto-acknowledgement and auto-resend,
WOT and WOR, etc., facilitate microcontroller based
ISM bands wireless link applications.
Rev. 1.10
1 May 02, 2018


  Holtek Semiconductor Electronic Components Datasheet  

BC3601 Datasheet

Sub-1GHz FSK/GFSK RF Transceiver

No Preview Available !

Block Diagram
BC3601
RFIN
RFOUT
ATR LIRC
WOT/WOR
LNA
AFC
AGC
ADC
PA VCO
Fractional-N PLL
CRC
FEC
Whitening/
Radio
Manchester Controller
GIO1~
GIO4
SDIO
SCK
CSN
Pin Assignment
Sigma Delta
Modulator
Gaussian
Filter
XOSC
XI XO
V_IF/LNA
RFIN
RFOUT
GND_PA
V_SX
NC
24 23 22 21 20 19
1 18
2 17
3 BC3601 16
4 24 QFN-A 15
5 14
6 13
7 8 9 10 11 12
GIO3
SCK
SDIO
GIO2
GIO1
CSN
Rev. 1.10
2 May 02, 2018


Part Number BC3601
Description Sub-1GHz FSK/GFSK RF Transceiver
Maker Holtek Semiconductor
Total Page 30 Pages
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