YYH40 series speech synthesis chip features and circuit diagram introduction

Basic Features:

â‘ Adopt adaptive incremental (8) modulation (ADM) mode.

â‘¡The addressing capacity of YYH40 is 512k bits.

â‘¢One or two DRAMs can be selected for external memory.

④ The sampling frequency is 8～32 kbps.

⑤Single power supply, the power supply voltage is 5v.

â‘¥ It can be directly connected to the telephone line and drive the tape recorder as a telephone

Message record.

⑦28-pin dual in-line package.

The pin diagram of YY1140 is shown below:

YYH40 pin diagram

YYH40 application circuit

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