EM57000 Series :

EM57000 is a series of single chip Voice/Dual tone Melody/Dual tone Sound Effect synthesizer Ics. It contains one 4-bit input port (provided for EM57100 and above), two 4-bit I/O ports and a tiny controller. User's applications, such as section combination, trigger modes, control outputs, keyboard matrix, and other logic functions, are easily implemented by programming through its tiny controller.

EM57P300 :

EM57P300 is a tiny-controlled-based voice/dual tone melody/dual tone sound effect Ics which contain all the function of EM57000 series and has an OTP (One Time Programmable) ROM inside.

Features

EM57000 Series :

• 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 for EM57600 and above.

• One 6-bit timer overflow control.

• PCM, ASPCM synthesizer and dual tone melody/sound effect generator.

• 4K~32K Hz playing speed for voice play-back.

• Multiple tempos for dual tone melody/sound effect play-back.

• Variable beats for dual tone melody/sound effect play-back.

• Multiple levels of volume control.

• Fixed current D/A output to drive external connected transistor for voice output.

• A pin ( except EM57001, EM57400 ) can be programmed as an IR communication pin which generate 38KHZ.

• carrier.

EM57P300 :

• EM57P300 . ROM : 64k x 10 bits (21 sec@6K sample rate).

• Working Voltage 2.4V ~ 5.1V.

• One 4-bit input port, two 4-bit I/O ports, and 32x4 bits RAM.

• 8k (maximum) program ROM.

• One 6-bit timer overflow control.

• ASPCM synthesizer and dual tone melody/sound effect generator.

• 4k~32k Hz playing speed for voice play-back.

• Multiple tempos for dual tone melody/sound effect play-back.

• Variable beats for dual tone melody/sound effect play-back.

• Multiple levels of volume control.

• Fixed current D/A output to drive external connected transistor for voice output.