EM55001

EASY SOUND - EM55000 SERIES TINYCONTROLLER-BASEDSYNTHESIZER ary n i m i l e Pr GENERAL DESCRIPTION EM55000 series is a series of 3 to 340 seconds single chip high quality voice synthesizer IC which contains one 4-bit Input port (provided for EM55100 and above), three 4-bit I/O ports and a tiny controller. By programming through the tiny controller, user's application includes section combination, trigger mode, control outputs, keyboard matrix and other logic function can be easily implemented. FEATURES EM55XXX 001 002 100 Duration(sec) 3 5 ROM(bits) 10K x 10 16K x 10 PROGRAM 8K x 10 ROM (bits) RAM (nibbles) 32 64 IO PORTs 4 I/O 8 I/O D/A Traditional Direct Drive DAC OSC Ring type Reset Pin No 200 10 32K x 10 250 300 15 21 48K x 10 64K x 10 32K x 10 350 31 96K x 10 128 4 I+ 8 I/O Direct Drive/Traditional DAC Ring or Crystal type by option Yes EM55XXX 400 450 500 550 600 650 700 Duration(sec) 42 63 85 127 170 255 340 ROM(bits) 128K x 10 192K x 10 256K x 10 384K x 10 512K x 10 768K x 10 1024K x 10 PROGRAM 32K x 10 ROM (bits) RAM (nibbles) 128 IO PORTs 4 I+ 8 I/O 4 I+ 12 I/O D/A Direct Drive/Traditional DAC OSC Ring or Crystal type by option Reset Pin Yes Single power supply. Crystal/Ring oscillator option. 3-340 seconds voice capacity. Power down mode for saving power consumption. Reset pin available. Single ROM for voice program. Maximum 32 K program addressing size available. Readable ROM data. One 6 bit timer overflow control is provided. Two...