TT6298 (TT6297 / TT6298) 4-Channel ADPCM Voice Syntehsis LSI

TT6298 (TT6297 / TT6298) 4-Channel ADPCM Voice Syntehsis LSI

The TT6297/TT6298 is a 4-channel mixing ADPCM voice synthesis LSI which offers one sound outputs with 4 channels . The TT6297/TT6298 can access an external voice data ROM for sound effects or speech voice. The maximum external ROM size is 16M/8M *8 bit and can direct access. The TT6297/TT6298 has an.

Features

ƒ ƒ ƒ ƒ ƒ ƒ ƒ Advance ADPCM algorithm Number of bits/sample: 4 24 address lines (TT6297), 23 address lines (TT6298)for external ROM 8-bit control bus for mode setting External memory capacity 128Mbit for TT6297/64Mbit for TT6298 Interface with common CPU and MPU Clock frequency with Sampling frequency: (clock 1 MHz to 4 MHz)
• At 1.088 MHz clock DAO : 8 kHz
• At 2.176 MHz clock DAO : 16 kHz
• At 4.352 MHz clock DAO : 32 kHz Number of words: 511 maximum Vocalization time:TT6297 :64 minutes maximum (at 8 kHz, sample rate) TT6298 :32 minutes maximum (at 8 kHz, sample rate) Sound output channel (.