5
Industry leading
Bluetooth 4.2 radio
and link controller
Hardware link controllers for lowest power
Bluetooth low energy 4.2 radio sub-system. Supports: Data length extensions,
L2CAP connection-oriented channels, up to 4 simultaneous independent
connections
RF RX sensitivity: -92dBm, max TX output: +4dBm
Active TX/RX current (total system): <5mA¹
Typical total system
current consumption¹
Beacon (100ms): 89µA
Fast advertising (60ms, 20byte payload): 150µA
Voice command continuous streaming (including digital mic): ~3mA
Optimised 16bit 16MHz RISC embedded CPU
Memory: 256KB flash (CSR1024 and CSR1025 only), 64KB OTP, 192KB ROM,
256B MTP (NV storage), 16KB Data RAM, 64KB Code Cache / Data RAM,
support for external (Q)SPI flash up to 16MBytes
Interfaces and
peripherals
I²C, UART, SPI/Q-SPI, ADC (2ch, 10-bit SAR), PWM, IR, 2x edge counters,
15/33/37 GPIOs, 4x high-speed quadrature decoders, hardware key scanning,
wake-on any input, direct LCD, low-power 8051-based co-processor
Stereo I²S input and output, digital microphone PDM input
Integrated G.722, G.711 (A-law/µ-law companding) codecs
Signed and encrypted application images
Debug bus lock
Hardware encryption acceleration
Unique chip ID
Direct battery
connection
0.9V –3.6V (CSR1020 and CSR1021)
1.4V –3.6V (CSR1024 and CSR1025)
Summary
What is CSR102x?
¹ at 0dBm 3V
CSR102x
APPLICATION
PROCESSOR
16-bit 16MHz
RISC MCU
80KB
RAM
192KB
ROM
LINK CONTROLLERS
PERIPHERALS
I2C
MASTER / SLAVE
UART
GPIO
SPI
MASTER / SLAVE
EDGE
COUNTERS
ADC
QUADRATURE
DECODERS
KEY
SCANNER
DIRECT LCD
DRIVE
PWM
IR
I2S
PDM
DIMMER
COPROCESSOR
G.722, G.711
CODECS
64KB
OTP
256B
MTP
256KB FLASH
CSR102x is a product of Qualcomm Technologies International, Ltd.