Datasheet > EM55M450COB

EM55M450COB

更新时间： 2024-02-02 22:56:03

品牌	Logo	应用领域
义隆 - ELAN		控制器
页数	文件大小	规格书
7页	277K
描述
TINY-CONTROLLER-BASED MTP/QTP SOUND PROCESSOR

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数据手册

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EM55M450COB 数据手册

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.

FEATURES

EM55M450/EM55Q450

RAM (nibbles)

PROGRAM

ROM(bits)

I/O ports

D/A

128

32K*10

204Kx 10

4 I + 12 I/O

Green/Traditional DAC by option

Ring or Resonator type by option

Yes

OSC

Reset Pin

•

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)

12 3 4 5 6 7

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