USER MANUELNY6 SeriesSingle-Chip 4-bit MCU with 8~24 I/O,6-ch Speech/MIDI SynthesizerVersion 1.3Mar. 28, 2019NYQUEST TECHNOLOGY CO. reserves the right to change this document without prior notice. Information provided by NYQUEST is believed to be accurate and reliable.However, NYQUEST makes no warranty for any errors which may appear in this document. Contact NYQUEST to obtain the latest version of device specifications beforeplacing your orders. No responsibility is assumed by NYQUEST for any infringement of patent or other rights of third parties which may result from its use. In addition,NYQUEST products are not authorized for use as critical components in life support devices/systems or aviation devices/systems, where a malfunction or failure of the productmay reasonably be expected to result in significant injury to the user, without the express written approval of NYQUEST.