20KB SOUND CONTROLLER

文件：290.78 Kbytes 页数：14 Pages

GENERALPLUS

凌通科技

8-Bit CPU, 2-CH Speech/Tone Storyteller, ELA, Interactive toys

The GPC21A3 is a CPU based two-channel speech/melody synthesizer including CMOS 8-bit microprocessor with 69 instructions, 20K-byte ROM for speech and melody data (Speech is compressed by a 4-bit ADPCM with approx. 6 sec speech duration @ 6KHz sampling rate) and 64-byte working SRAM. It includes two \n• 8-bit microprocessor\n• Provides 20K-byte ROM for program and audio data\n• 64-byte working SRAM\n• Software-based audio processing\n• Wide operating voltage: 2.4V - 3.6V @ 4.0MHz 3.6V - 5.5V @ 6.0MHz\n• Supports ROSC only\n• Max. CPU clock: 4.0MHz @ 2.4V - 3.6V 6.0MHz @ 3.6V - 5.5V\n• Standby m;

Generalplus

凌通科技

20KB SOUND CONTROLLER

文件：290.78 Kbytes 页数：14 Pages

GENERALPLUS

凌通科技

PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

DESCRIPTION The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light rejection, cost and reliability. T

文件：104.21 Kbytes 页数：5 Pages

FAIRCHILD

仙童半导体

SLOTTED OPTICAL SWITCH

文件：307.53 Kbytes 页数：4 Pages

QT

1mm APERTURE OPTO-ELECTRONIC SINGLE CHANNEL SLOTTED INTERRUPTER SWITCHES WITH TRANSISTOR SENSORS

DESCRIPTION The H21A_ and H22A_ series of opaque photointerrupters are single channel switches consisting of a Gallium Arsenide infrared emitting diode and a NPN silicon photo transistor mounted in a polycarbonate housing. The package is designed to optimise the mechanical resolution, coupling e

文件：75.99 Kbytes 页数：3 Pages

ISOCOM

英国安数光