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Chip Overview

CI1316XP is a new generation of high-performance neural network voice recognition SoC developed by Chipintelli. It integrates Chipintelli’s self-developed Brain Neural Processing Unit (BNPU) V3.5 and CPU core, with a system frequency up to 210MHz. It features 288KB of built-in SRAM, integrated PMU power management unit, RC oscillator, single-channel high-performance low-power Audio Codec, and multiple peripheral control interfaces including UART, I2C, PWM, and GPIO. It also includes a high-performance power amplifier unit. The CI1316XP chip requires only a few external components such as resistors and capacitors to implement various intelligent voice product hardware solutions, offering excellent cost performance.

CI1316XP adopts industrial-grade design standards with excellent environmental reliability. It operates within a temperature range of -40°C to +85°C, meets MSL3 moisture sensitivity level, complies with IEC 61000-4-2 4KV contact discharge test standard, and meets RoHS and REACH environmental protection standards.

CI1316XP utilizes Chipintelli’s new generation BNPU technology, supporting neural networks such as DNN/TDNN/RNN/CNN and parallel vector operations. It enables high-performance voice recognition, noise reduction, and features strong environmental noise suppression capabilities. The CI1316XP solution also supports multiple global languages including Chinese, English, and Japanese, making it widely applicable in home appliances, lighting, toys, wearable devices, industrial, automotive, and other product fields for voice interaction, control, and various intelligent voice applications.

Please click ☞CI13162P Datasheet to download the complete chip datasheet.

Table G-1 Chip Information

Model	Flash	RAM	Package
CI13162P	2MByte	288KByte	SOP16(9.9mm x 6.0mm x 1.7mm)

Potential application areas for CI1316XP:

• Smart Home Appliances
• Smart Toys
• Smart Lighting
• Smart Wearables

Figure G-1 CI1316XP Application Block Diagram

Chip Features:

• Brain Neural Processing Unit (BNPU) V3.5
  • Utilizes Chipintelli’s new generation BNPU technology, supporting neural networks like DNN/TDNN/RNN/CNN 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 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 power supply voltage range: 3.6V to 5.5V
  • Built-in 2-channel high-performance LDO circuits, eliminating the need for external power chips; only minimal external passive components required
• Clock
  • Built-in RC oscillator
• Peripherals and Timers
  • 2x UART interfaces supporting up to 3M baud rate
  • 1x I2C interface for external I2C device expansion
  • 3x PWM interfaces for direct driving of LED and motor applications
  • 2x 32-bit timers
  • 1x Independent Watchdog Timer (IWDG)
• GPIO
  • 4x GPIO ports for use as a main control IC
  • Each GPIO supports configurable interrupt function and pull-up/down settings
  • All 4 GPIOs can support 5V level communication with external 5V pull-up resistors
• Power Amplifier
  • Maximum output power of 2.0W (4Ω load)
  • No output coupling capacitors or external buffer circuits required
  • Stable gain output
  • External gain setting
  • Pop-noise suppression during power on/off
• Software Development Support
  • Complete software development kit, application examples, and online firmware development platform support
  • For details, visit: https://aiplatform.Chipintelli.com
• Firmware Programming and Protection
  • Supports UART-based Firmware Update and protection
• ESD Performance
  • Enhanced internal ESD protection design, passing 4KV contact discharge test
• ROHS and REACH Compliance
  • Uses environmentally friendly materials, compliant with RoHS and REACH standards
• Package and Operating Temperature Range
  • Package: SOP16, dimensions: 9.9mm (L) × 6.0mm (W) × 1.7mm (H)
  • Operating temperature: -40°C to +85°C