Click to go to the Chipintelli official website CI1302 Datasheet
Click to go to Chipintelli voice AI platform V1.2
1
CI1302 Datasheet
High Performance Automatic Speech Recognition processor
SSOP24
Length: 8.6mm
Width: 6.0mm
Thickness: 1.64mm
• Brain Neural Network Processing Unit
(BNPU)
– BNPU V3 support DNN \ TDNN \ RNN \ CNN and
other neural networks and parallel vector operations. It
can realize speech recognition, voiceprint recognition,
command word self-learning, voice detection, deep
learning noise reduction and other functions
• CPU and Storage
– CPU frequency up to 220 MHz
– 2MBytes of Flash memory inside
– 640K Bytes of SRAM inside
– 512bit eFuse for encryption
• Audio Codec
– High performance, Low-power consumption audio
ADC with SNR ≥ 95dB
– Low-power consumption audio DAC with SNR ≥
95dB
• Audio interfaces
– One IIS interface, master/slave configurable
– One Dual-channel PDM interface
• ADC and PWM
– One channel 12bit SAR ADC
– Six PWM interfaces
• GPIO
– 10 fast GPIOs, response speed up to
20MHz
– 7 GPIOS with 5V input tolerant capability
• Reset and power management
– Build-in PMU
– PMU input voltage range: 3.6V to 5.5V
– Power-on Reset (POR)
– Power Voltage Detector (PVD)
• Clock management
– Built in RC oscillator, also support external
crystal oscillator. Developers can choose to
use built-in RC or external crystal as chip
clock source according to different
applications
• Communication interface
– One IIC interface
– Three UART interfaces with 3M baud rate
• Timer and Watch dog
– Four 32-bit timers, Two watch dogs
Click to go to the Chipintelli official website CI1302 Datasheet
Click to go to Chipintelli voice AI platform V1.2
2
Contents
1 Description ...........................................................................................................3
1.1 Functional overview ..................................................................................3
1.2 Chip Specifications ................................................................................... 4
2 Pin Diagram and Function Description ................................................................6
2.1 Pin Diagram .............................................................................................. 6
2.2 Pin descriptions .........................................................................................7
2.3 Alternate functions .................................................................................... 9
3 Electrical Characteristics ................................................................................... 10
4 Packaging Information .......................................................................................12
5 Order Information .............................................................................................. 13
6 Application .........................................................................................................14
6.1 Application Reference Circuit Diagram ..................................................14
6.2 Other Application Notices .......................................................................15