Basic Features: â‘ The vP-1410 speech synthesis chip is a large-scale integrated circuit manufactured with CMOS technology and continuously variable slope delta modulation technology (CVsD). Schneider Servo Motor Replacement
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â‘¡The chip is suitable for connecting with static memory SRAM or read-only memory ROM or EPROM. The addressing capability is 1024kbps.
③The sampling rate is adjustable within the range of 9.6～128kbps.
â‘£There is a clock oscillator circuit inside, and it can work by connecting RC. In addition, there is a 12MHz memory search clock on-chip.
⑤The voice memory can be divided into up to 10 pieces of different information.
⑥Single power supply, working voltage is DC (3～6V).
VP-1410 pin layout diagram: 
VP-1410 pinout diagram 
Internal structure of VP-1410 
VP-1410 connects 512K bit EPROM application circuit diagram
In order to extend the playback time, the memory can be expanded to more than 1M bits. The extension method is shown below: 
Memory expansion diagram