EM55Q450 Datasheet | ELAN Microelectronics

DESCRIPTION EM55M450/EM55Q450 series is a tiny-controller-based voice synthesizer IC which contains all the function of EM55000 series and has an MTP/QTP ROM inside. .. FEATURES EM55M450/EM55Q450 RAM (nibbles) PROGRAM ROM(bits) I/O ports D/A OSC Reset Pin - - - - - - - - - - - - 128 32K- 10 204Kx 10 4 I + 12 I/O Green/Traditional DAC by option Ring or Resonator type by option Yes Single power supply 2.4V~5.1V, suitable for 3 batteries application. Port1 and Port2 with wake-up function, Port3.2 with programmable IR (38KHz carry) munication function Power down mode for saving power consumption Single ROM for voice and program data Readable ROM code data One 6-bit timer overflow control Two stacks for subroutine calling 5-bit ASPCM /7-bit PCM voice synthesizer Multiple playing speeds in 1KHz ~22KHz for voice playback Multiple levels of volume control Traditional fixed current D/A output to drive external connected transistor for speaker or direct drive output to speaker. Package type: EM55M450 COB: COB type 4.22.2003 (V1.2) 1 - This specification are subject to be changed without notice. EM55M/Q450 TINY-CONTROLLER-BASED MTP/QTP SOUND PROCESSOR EM55M450 H: dice type EM55M450 P: 40 PDIP package EM55Q450 H: dice type PIN ASSIGNMENT .. EM55M450 P2.3 1 P2.2 2 P2.1 3 P2.0 4 P1.3 5 P1.2 6 P1.1 7 P1.0 8 RESET 9 VPP 10 VSSD 11 OSCO 12 OSCI 13 NC 14 NC 15 NC 16 NC 17 NC 18 NC 19 NC 20 40 P3.0 39 P3.1 38 P3.2 37 P3.3 36 P4.0 35 P4.1 34 P4.2 33 P4.3 32 VDD 31 CIN 30 VO1 29 VSSC 28 VO 27 VCC 26 NC 25 NC 24 NC 23 NC 22 NC 21 NC PDIP 40 PIN - This specification are subject to be changed without notice. 4.22.2003 (V1.2) EM55M/Q450 TINY-CONTROLLER-BASED MTP/QTP SOUND PROCESSOR PIN DESCRIPTIONS Symbol P1.0 P1.1 P1.2 P1.3 P2.0/ PD0 .. P2.1/ PD1 P2.2/ PD2 P2.3/ PD3 P3.0/ RDYB P3.1 / WEB P3.2 / OEB P3.3/ ACLK P4.0 P4.1 P4.2 P4.3 TEST / VPP(MTP power) VDD VSSD VCC VSSC Cin OSCI / CLK OSCO RESET VO1 VO I/O I I I I I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I I I I I I...