Description
EM57000 is a series of single chip Voice/Dual tone Melody/Dual tone Sound Effect synthesizer ICs.
Features
- Single power supply 2.4 V ~ 5 V. Wide range of ROMs : EM57001 - 10Kx10 bits, EM57100 - 16Kx10 bits, EM57200 - 32Kx10 bits, EM57300 - 64Kx10 bits, EM57400 - 128Kx10 bits, EM57500 - 256Kx10 bits, EM57600 - 512Kx10 bits, EM57700 - 1024Kx10 bits. One 4-bit input port (provided for EM57100 and above), two 4-bit I/O ports. 16x4 bits RAM for EM57001, 32x4 bits RAM for EM57100~EM57500, 128x4 bits RAM for EM57600 and above. 8K (maximum) program ROM for EM57001~EM57500. 32K (maximum) program ROM.