Device Features 3.3V power operation Fully qualified Full speed Blueto

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Device Features 3.3V power operation Fully qualified Full speed Blueto

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BLUETOOTH MODULE Model BT-20
Device Features 3.3V power operation Fully qualified Full speed Bluetooth operation with full piconet support flash memory application firmware
Applications Notebooks Cordless Headsets Bluetooth hand free Personal Digital Assistants(PDA) RS-232 Cable replacement Dongle Bluetooth device(Keyboard, mouse Joystick) Other Bluetooth specification pforile
BT-20 Bluetooth Module Diagram
UART/USB
BT-20 Module
features
Radio external trimming required production. +4dBm transmit power Supports Class Class Radios Baseband/software physical Interfaces slash memory complete system solution Transcoders A-law, u=law linear voice from host A-law, u-law CVSD voice over UART interface with programmable baud rate 1.5M Full speed interface support
Device Pinout Diagram
Device Pinout Diagram
name AIO(0) AIO(1) RESET type Bi-direction Bi-direction COMS input with weak internal pull-down Description Ground connection connection connection Programmable line Programmable line Module reset high>5ms cause reset Recommand using power Reset schematic chip) Serial Peripheral Interface data output Chip select Synchronous Serial Interface active Serial Peripheral Interface clock Serial Peripheral Interface data input UART clear send UART data output UART request send UART data input output when 3.3V connected Positive power supply Ground connection
SPI_MISO SPI_CSB SPI_CLK SPI_MOSI UART_CTS UART_TX UART_RTS UART_RX 1.8V 3.3V
COMS input with weak internal pull-down COMS input with weak internal pull-down COMS input with weak internal pull-down COMS input with weak internal pull-down CMOS input CMOS output CMOS output CMOS input Voltage output testing
name PCM_OUT PCM_SYNC PCM_IN PCM_CLK USB_DP USB_DN PIO(7) PIO(6) PIO(5) PIO(4) PIO(3) PIO(2) PIO(1) PIO(0)
type CMOS output Bi-direction COMS input Bi-direction Bi-direction Bi-direction Bi-direction Bi-direction Bi-direction Bi-direction Bi-direction Bi-direction Bi-direction Bi-direction Ground Ground
Description Synchronous data output synchronous data SYNC Synchronous data input Synchronous data clock data plus data minus Programmable line Programmable line Programmable line Programmable line Programmable line Programmable line Programmable line Programmable line Ground connections circuitry single Input output Ground connections circuitry
Electrical Characteristics Absolute Maximum Ratings Rating Storage Temperature Operating Temperature -40°C -40°C +120°C +105°C
Recommended Operating Conditions Operating Condition Supply Voltage: 3.6V
Radio Characteristics,
Receiver
VDD=3.3V
Temperature=+20
Bluetooth Specification Unit
Frequency (GHz) 2.402
Sensitivity 0.1%
2.441 2.480
Maximum received signal 0.1%
Current Consumption VDD=3.3V
Mode connection HV3(Slave) Connection HV3(Master) data transfer 115.2kbps UART(Master) data transfer 720kbps USB(Slave) data transfer 720kbps USB(Master) connection, Sniff mode 40ms interval, 38.4kbps UART connection, Sniff mode 1.28s interval, 38.4kbps UART Parked Slave, 1.28s beacon interval, 38.4kbps UART Deep Sleep mode Peak current during burst(+4dBm) Peak current during burst(0dBm) Peak current during burst(-80dBm) Unit
Schematic
Package Dimensions
View
Reference foot print layout
Recommand board layout-Top layer
Recommand board layout-Top skillscreen
Recommand board layout- keep layer
Modulation Testing
Bluetooth module testing block
Control into Bluetooth test mode
Bluetooth test Bt-20 Module Test fixture Connector
BT-20 Module (EUT)
Modem Bank
Remark: Connector test fixture cable lose about 2.5dBm
Bluetooth Modulation Characteristics(by CMU200)
(Bluetooth Qualification Body) Certificate

Device Features 3.3V power operation Fully qualified Full speed Blueto

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