Dual-mode Bluetooth low energy radio
Support for Bluetooth basic rate / EDR and low
energy connections
3 Bluetooth low energy connections at the same time
as basic rate A2DP
On-chip balun (50 impedance)
No production trimming of external components
Bluetooth v4.1 specification compliant
8dBm (typ) RF transmit power with level control
Class 1, Class 2 and Class 3 support, no external
PA or ≤X/RX switch required
-91dBm (typ) /4 DQPSK receiver sensitivity and
-81dBm (typ) 8DPSK receiver sensitivity
Integrated channel filters
Digital demodulator for improved sensitivity and co-
channel rejection
Real-time digitised RSSI available to application
Fast AGC for enhanced dynamic range
Channel classification for AFH
Fully integrated synthesiser requires no external
VCO, varactor diode, resonator or loop filter
Compatible with crystals 16MHz to 32MHz
Enhanced Kalimba DSP coprocessor, 80MIPS,
24bit fixed point core
2 single-cycle MACs; 24 x 24-bit multiply and 56-bit
accumulator
32-bit instruction word, dual 24-bit data memory
6K x 32-bit program RAM including 1K instruction
cache for executing out of internal ROM
16K x 24-bit + 16K x 24-bit 2-bank data RAM
Stereo line input audio ADC with 1-mic CVC
Mono audio DAC
1 digital microphone (MEMS) interface
Supported sample rates of 8, 11.025, 16, 22.05, 32,
44.1, 48 and 96kHz (DAC only)
Crystal oscillator with built-in digital trimming
68-lead QFN 8 x 8 x 0.9mm 0.4mm pitch
≥AR≤ interface for debug
≥SB 2.0 (full-speed) interface, including charger
enumeration
1-bit SPI flash memory interface
SPI interface for debug and programming
I²C interface for EEPROM
≥p to 20 general purpose PIOs with 3 extra open-
drain PIOs available when LED not used
PCM and I²S (only in HCI mode) interfaces
3 LED drivers (includes RGB) with PWM flasher
independent of MC≥
Automatic power switching to charger when present
2 high-efficiency switch-mode regulators with 1.8V
and 1.35V outputs direct from battery supply
3.3V linear regulator for ≥SB supply
Low-voltage linear regulator for internal digital circuits
Low-voltage linear regulator for internal analogue
circuits
Power-on-reset detects low supply voltage
Power management includes digital shutdown and
wake-up commands for ultra-low power modes
Lithium ion / Lithium polymer battery charger
Instant-on function automatically selects the power
supply between battery and ≥SB, which enables
operation even if the battery is fully discharged
Fast charging support up to 200mA with no external
components. Higher charge currents using external
pass device.
Supports ≥SB charger detection
Support for thermistor protection of battery pack
Support to enable end product design to PSE law:
Design to JIS-C 8712/8714 (batteries)
≤esting based on IEEE 1725
Internal ROM
Memory protection unit supporting accelerated VM
56KB internal RAM, enables full-speed data transfer,
and full piconet support
Logic for forward error correction, header error
control, access code correlation, CRC,
demodulation, encryption bit stream generation,
whitening and transmit pulse shaping
Production Information
© Cambridge Silicon Radio Limited 2013-2015
Confidential Information - ≤his Material is Subject to CSR's Non-disclosure Agreement
Page 3 of 104
CS-303726-DSP6
www.csr.com
CSR8615 QFN
Data Sheet
Prepared for customer=DONG HYUN LEE - sambon.co.kr - 12-Sep-2017