Chip Overview¶
CI2316X is a new generation of high-performance neural network voice processor developed by Chipintelli, integrating Chipintelli’s self-developed Brain Neural Processing Unit (BNPU) V3.5 and CPU core. The system can operate at up to 210MHz and includes 288KByte of built-in SRAM, integrated PMU power management unit, RC oscillator, single-channel high-performance low-power Audio Codec, multiple UART, I2C, PWM, GPIO and other peripheral control interfaces, as well as high-performance low-power Bluetooth BLE. The CI2316X chip requires minimal external components such as resistors and capacitors to implement various smart voice product hardware solutions, offering excellent cost performance.
The CI2316X adopts industrial-grade design standards with excellent environmental reliability. Its operating temperature range is -40°C to +85°C, compliant with MSL3 moisture sensitivity level, IEC 61000-4-2 4KV contact discharge test standard, and meets RoHS and REACH environmental protection standards.
CI2316X utilizes Chipintelli’s new generation BNPU technology, supporting neural networks such as DNN/TDNN/RNN/CNN and parallel vector operations, enabling high-performance voice recognition, noise reduction, and strong environmental noise suppression capabilities. The CI23162 also supports Bluetooth BLE5.4 transceiver for remote device control via mobile mini-programs. The CI2316X solution supports multiple global languages including Chinese, English, and Japanese, making it suitable for a wide range of applications including home appliances, lighting, toys, wearables, industrial, automotive, and other product fields for voice interaction, control, and various smart voice applications.
Click ☞☞CI23162 Datasheet to download the complete chip datasheet.
| Chip Model | FLASH | RAM | Package |
|---|---|---|---|
| CI23161 | 1MByte | 288KByte | SOP16(9.9mm*6.0mm*1.7mm) |
| CI23162 | 2MByte | 288KByte | SOP16(9.9mm*6.0mm*1.7mm) |
Application Areas¶
Potential application areas for CI2316X:
- Smart Home Appliances
- Smart Toys
- Smart Lighting
- Smart Wearables
Chip Key Features¶
- Brain Neural Processing Unit (BNPU) V3.5
- Utilizes Chipintelli’s next-generation BNPU technology, supporting DNN/TDNN/RNN/CNN neural networks and parallel vector operations for high-performance voice recognition and noise reduction
- CPU
- 32-bit high-performance CPU with up to 210MHz operating frequency
- 32-bit single-cycle multiplier with DSP extension acceleration
- Memory
- 288KB built-in SRAM
- 256-bit eFuse
- 1MB/2MB built-in Flash
- Audio Interface
- Built-in high-performance low-power Audio Codec module supporting single-channel ADC sampling and single-channel DAC playback
- Supports Automatic Level Control (ALC)
- Supports 8kHz/16kHz/24kHz/32kHz/44.1kHz/48kHz sampling rates
- Power Management Unit (PMU)
- Wide input voltage range: 3.6V to 5.5V
- Built-in 2-channel high-performance LDO circuits, eliminating the need for external power management ICs
- Clock
- Built-in RC oscillator
- Supports external crystal input
- Peripherals and Timers
- 2x UART interfaces with up to 3Mbps baud rate
- 1x I2C interface for external I2C device expansion
- 3x PWM interfaces for direct driving of lighting and motor applications
- 2x 32-bit timers
- 1x Independent Watchdog Timer (IWDG)
- GPIO
- 6x GPIO ports for main control IC applications
- Each GPIO supports interrupt function and configurable pull-up/down
- 5x GPIOs support 5V level communication with external 5V pull-up resistors
- Software Development Support
- Complete software development kit, application examples, and online firmware development platform available at: https://aiplatform.Chipintelli.com
- Firmware Programming and Protection
- Supports UART Firmware Update and protection
- ESD Performance
- Enhanced ESD protection design, passing 4KV contact discharge test
- ROHS and REACH Compliance
- Environmentally friendly materials, compliant with RoHS and REACH standards
- Package and Operating Temperature
- Package: SOP16, dimensions 9.9mm × 6.0mm × 1.7mm
- Operating temperature: -40°C to +85°C