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Número de pieza | EM55M450 | |
Descripción | TINY-CONTROLLER-BASED MTP/QTP SOUND PROCESSOR | |
Fabricantes | ELAN Microelectronics | |
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Hay una vista previa y un enlace de descarga de EM55M450 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
No Preview Available ! EM55M/Q450
TINY-CONTROLLER-BASED MTP/QTP SOUND PROCESSOR
GENERAL 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.
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FEATURES
RAM (nibbles)
PROGRAM
ROM(bits)
I/O ports
D/A
OSC
Reset Pin
EM55M450/EM55Q450
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)
communication 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
* This specification are subject to be changed without notice.
4.22.2003 (V1.2) 1
1 page EM55M/Q450
TINY-CONTROLLER-BASED MTP/QTP SOUND PROCESSOR
APPLICATION CIRCUIT
www.DataSheet4U.com
Note : It should add a 0.1 uF ceramic capacitor between Cin and ground.
It is suggested to add a 0.1 uF ceramic capacitor between VDD and VSS.
* This specification are subject to be changed without notice.
4.22.2003 (V1.2) 5
5 Page |
Páginas | Total 7 Páginas | |
PDF Descargar | [ Datasheet EM55M450.PDF ] |
Número de pieza | Descripción | Fabricantes |
EM55M450 | TINY-CONTROLLER-BASED MTP/QTP SOUND PROCESSOR | ELAN Microelectronics |
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