Specifications

Document Number: 002-29172 Rev. ** Page 3 of 45
PRELIMINARY
CYBT-223058-02
CYBT-253059-02
Contents
Overview ............................................................................4
Functional Block Diagram ........................................... 4
Module Description ......................................................4
Pad Connection Interface ................................................6
Recommended Host PCB Layout ...................................7
Module Connections ........................................................ 9
Connections and Optional External Components ....... 11
Power Connections (VDD) ........................................11
External Reset (XRES) ..............................................11
HCI UART Connections ............................................11
External Component Recommendation .................... 11
Critical Components List ............................................... 13
Antenna Design .............................................................. 13
Bluetooth Baseband Core ............................................. 13
Power Management Unit ................................................ 14
Integrated Radio Transceiver ........................................15
Transmitter Path ........................................................15
Receiver Path ............................................................15
Local Oscillator ..........................................................15
Microcontroller Unit .......................................................16
External Reset ...........................................................16
32-kHz Crystal Oscillator ...........................................16
Power Modes ............................................................17
Firmware ...................................................................17
Watchdog ..................................................................17
Lockout Functionality .................................................17
True Random Number Generator .............................17
Peripherals and Communication Interfaces ................18
I2C .............................................................................18
HCI UART Interface .................................................. 18
Peripheral UART Interface ........................................18
Serial Peripheral Interface .........................................18
Keyboard Scanner ..................................................... 18
Mouse Quadrature Signal Decoder ...........................18
ADC Port ...................................................................19
GPIO Port ..................................................................19
PWM ..........................................................................20
PDM Microphone .......................................................20
I2S Interface ..............................................................21
PCM Interface ...........................................................21
Electrical Characteristics ............................................... 22
Current Consumption ................................................ 23
Silicon Core Buck Regulator ..................................... 23
Digital LDO ................................................................24
RF LDO ..................................................................... 24
PA LDO (CYBT-253059-02 only) ..............................25
Digital I/O Characteristics .......................................... 26
ADC Characteristics .................................................. 26
Chipset RF Specifications ............................................. 28
Timing and AC Characteristics ..................................... 31
UART Timing ............................................................. 31
SPI Timing ................................................................. 32
I2C Compatible Interface Timing ...............................33
I2S Interface Timing .................................................. 34
Environmental Specifications ....................................... 36
Environmental Compliance .......................................36
RF Certification .......................................................... 36
Safety Certification ....................................................36
Environmental Conditions ......................................... 36
ESD and EMI Protection ...........................................36
Regulatory Information .................................................. 37
FCC ........................................................................... 37
ISED .......................................................................... 38
European Declaration of Conformity ......................... 39
MIC Japan .................................................................39
Packaging ........................................................................ 40
Ordering Information ...................................................... 42
Acronyms ........................................................................ 43
Document Conventions ................................................. 43
Units of Measure ....................................................... 43
Document History Page ................................................. 44
Sales, Solutions, and Legal Information ...................... 45
Worldwide Sales and Design Support ....................... 45
Products .................................................................... 45
PSoC® Solutions ...................................................... 45
Cypress Developer Community .................................45
Technical Support .....................................................45