1. General Description
NSP series is an advanced 1-ch Voice IC with embedded Flash and equips new algorithm to implement
Voice Prompt applications with high level of sound quality. NSP series provide SOP8 and SOP14 with 2
I/Os protocol or UART to communicate with host MCU.
The NSP family contains following chips built-in different size of embedded Flash, shown as below:

Features
Operating voltage: 2.0~5.5V
Oscillator: builds in internal Rosc (TRIM)
Frequency deviation: +/-1.5%
Audio output: 13-bit PWM
Voice channel: 1-ch Voice
Provide ISP (In System Program) to update content from Host MCU
Interface with MCU: 1-wire, 2-wire, UART (only support on NSP650B/960B/2K0B)
Low Voltage Reset (LVR)
Flash Data Retention: 10-Year
Flash Program/Erase Cycling Endurance: 10K
Package form: SOP8, SOP14
Package is Halogen-free, RoHS-compliant and TSCA-compliant