EM58P300

EASY SOUND - EM58P300 SERIES TINYCONTROLLER-BASED DUAL CHANNEL SOUND PROCESSOR GENERAL DESCRIPTION EM58P300 is a tiny-controller-based voice synthesizer/dual tone melody/dual tone sound effect IC which contains all the function of EM58000 series and has an OTP (One Time Programmable) ROM inside. FEATURES EM58P300 – ROM : 64k x 10 bits (21 sec@6K sample rate). Single power supply 2.4V ~ 5.5V. Port1 and Port2 with wake-up function, Port3.2 with programmable IR (38KHz carry) communication function. Power down mode for saving power consumption. Single ROM for voice, melody, sound effect and program data. Readable ROM code data. One 6-bit timer overflow control. Two stacks for subroutine calling. Dual channel output simultaneously : (voice + voice), (voice + dual tone melody) or (voice + dual tone sound effect). 5-bit ASPCM synthesizer. Dual tone melody/sound effect generator with programmable envelope. Multiple playing sppeeds in 2KHz ~ 32KHz for voice playback. Multiple tempos and variable beats for dual tone melody/sound effect play-back. Multiple levels of volume control. Fixed current D/A to drive external connected transistor for audio output. PIN DESCRIPTIONS Pin NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 I/O I I I I I I O I I/O I/O I/O I/O I/O I/O I/O I/O I/O Symbol P1.2/OEB/Mode option P1.1/PGMB/Mode option P1.0 VSS OSC/ACLK TEST/Vpp VO2 VO1 VDD P3.3 P3.2 P3.1 P3.0 P2.3 P2.2 P2.1/Dout P2.0/Din P1.3/Din.out.clk/Mode option Function Bi...