Typical Application

Karaoke, Portable MIDI Synthesizer


Low-Power Synthesizer with Effects 


The SAM2634 integrates into a single chip a proprietary DREAM®   DSP core (64-slots DSP + 16-bit microcontroller), a 32k x 16 RAM and an LCD display interface. With addition of a single external ROM or FLASH, a complete low cost sound module can be built, including reverb and chorus effects, parametric equalizer, surround effects, without compromising on sound quality.

- not recommended for new designs, replaced by new SAM5000 series ICs -


PDF Description Updated

SAM2634 Low-power Synthesizer with Effects (not recommended for new design)


Key Parameters

Package LQFP100, pitch 0.5
# on chip DSP 1
DSP type 64-slot
max. Polyphony 64
Internal Memory 32kx16 RAM
External Memory 64MB Flash, SRAM
I/O Interfaces serial MIDI, 8bit parallel Host, SPI, GPIO
Audio I/O 2 IN / 4 OUT (digital)

Sound Banks

Name Description

8 MByte CleanWave®. 128 GM sounds, 225 variations, 9 drum sets, 1 SFX set.

Application Notes

Reference Description
Migrate from SAM2533 to SAM2634

AN_2634_MigrateFromSAM2533toSAM2634.pdf (4 pages)

SAM2634 is the replacement for SAM2533. More than a simple shrunk version of SAM2533, SAM2634 also brings new features .This document describes the new features and helps migrating SAM2533 applications in SAM2634 applications.