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EM6621 Datasheet(PDF) 1 Page - EM Microelectronic - MARIN SA |
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EM6621 Datasheet(HTML) 1 Page - EM Microelectronic - MARIN SA |
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1 / 69 page  EM6621 03/02 REV. D/444 Copyright 2002, EM Microelectronic-Marin SA 1 www.emmicroelectronic.com Ultra Low Power Microcontroller with 4x20 LCD Driver Features • Low Power - 2.6 µA active mode, LCD On - 0.5 µA standby mode, LCD Off - 0.1 µA sleep mode @ 1.5 V, 32 KHz, 20 ºC • Low Voltage - 1.2 to 3.6 V • 2 clocks per instruction cycle • 72 basic instructions • ROM 4k x 16 bits • RAM 128 x 4 bits • Max. 12 inputs ; port A, port B, port SP • Max. 8 outputs ; port B, port SP • Voltage Level Detector, 8 levels software selectable from 1.2 V up to 4.0 V • Melody, 7 tones + silence inclusive 4-bit timer • Universal 10-bit counter, PWM, event counter • Prescaler down to 1 second ( crystal = 32 KHz ) • 1/1000 sec 12 bit binary coded decimal counter with hard or software start/stop function • LCD 20 Segments, 3 or 4 times multiplexed • 3 wire serial port , 8 bit, master and slave mode • 5 external interrupts (port A, serial interface) • 8 internal interrupts (3x prescaler, BCD counter 2x10-bit counter, melody timer, serial interface) • timer watchdog and oscillation supervisor Description The EM6621 is an advanced single chip low cost CMOS 4-bit microcontroller. It contains ROM, RAM, LCD driver, power on reset, watchdog timer, oscillation detection circuit, 10-bit up/down and event counter, 1ms BCD counter, prescaler, voltage level detector (Vld), serial interface and several clock functions. The low voltage feature and low power consumption make it the most suitable controller for battery, stand alone and mobile equipment. The EM6621 is manufactured using EM Microelectronic's advanced low power (ALP) CMOS process. Typical Applications • Timing device • Automotive controls with display • Intelligent display driver • Measurement equipment • Domestic appliance • Interactive system with display • Timer / sports timing devices • Bicycle computers • Safety and security devices Figure 1. Architecture Figure 2. Pin Configuration, TQFP52 10 * 10 * 1 mm (00,&52(/(&7521,& 0$5,1 6$ |
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