HT62L256

HT812L0 2.8 Second Enhanced Tone Voice Features Operating voltage: 2.4V~5.0V Low standby current (1µA Typ.) Voice/sound effect/simple melody output 2.8-second voice capacity 32 tone sections 16 words for each tone section Current type D/A output Mask options – Pull-high resistor: 20kΩ/50kΩ/100kΩ – KEY1: Direct or sequential/random key – Trigger mode: Retriggerable/Non-retriggerable – KEY1 play normal mode or twin mode Normal mode: one group for KEY1 Twin mode: Two groups for KEY1 8 direct key or 4×4 MATRIX keys – Two-page trigger – Key debounce time: 22ms/45ms – Trigger function: Level hold/one shot/level trigger – FLAG1, FLAG2 outputs: 3Hz/sound level/busy/6Hz/endp – Melody/tone decay time: 2 sec/1 sec/0.5 sec/0.25 sec – Four kinds of envelope shapes for melody Tone shape: tone+2kHz/noise/tone/silence Tempo: 16ms/section~1 sec/section Dice form or 16-pin DIP – Applications Toys Alarm clocks Public address system Alert & warning system Sound effect generators Voice interface products General Description The HT812L0 is a single chip PCM voice and sound effect synthesizer. It provides 2.8 seconds of voice capacity at a 6kHz sampling rate (FSR=6kHz) and 32 sections of sound effects/simple melodies. A maximum of 8 keys or 4×4 MATRIX are available. Of the 8 keys or 4×4 MATRIX, KEY1 can be optioned as a direct or sequential/random key, so that it can play an interlaced voice/sound effect/simple melody and generate various special sound effe...