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EM6625 Datasheet(PDF) 1 Page - EM Microelectronic - MARIN SA |
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EM6625 Datasheet(HTML) 1 Page - EM Microelectronic - MARIN SA |
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1 / 69 page  R EM6625 Copyright © 2005, EM Microelectronic-Marin SA 1 www.emmicroelectronic.com Ultra Low Power Microcontroller with 4x20 LCD Driver Features True Low Power 1.6 µA active mode, LCD On 0.4 µA standby mode, LCD Off 0.2 µA sleep mode @ 3 V, 32 KHz, 25 ºC Low Supply Voltage 1.2 V to 3.6 V Melody, 7 tones + silence inclusive 4-bit timer Universal 10-bit counter, PWM, event counter LCD 20 segments, 3 or 4 times multiplexed Temperature compensated LCD voltage levels Built-in LCD voltage multipliers LCD frequency 32 Hz/42.7 Hz/64 Hz 32 KHz or 128 kHz crystal oscillator 72 basic instructions 2 clocks per instruction cycle Mask 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 (VLD), 8 levels software selectable from 1.2 V up to 4.0 V Prescaler down to 1 second ( crystal = 32 KHz ) 1/1000 sec 12 bit binary coded decimal counter with hard or software start/stop function 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 EM6625 is an ultra-low power, low voltage microcontroller with an integrated 3/4 MUX x 20 segments LCD driver and the equivalent of 8kB mask ROM. It features temperature compensated LCD voltage levels, free LCD segment allocation and built-in voltage multipliers. It also has a melody generator, a millisecond counter (BCD) and PWM function. Tools include windows-based simulator and emulator. A flexible MFP version is also available for development stage. Due to its very low current consumption, the EM6625 is ideal for use in battery-operated and field-powered applications. Typical Applications Household appliance Timer / sports timing devices Medical devices Interactive system with display Automotive controls with display Measurement equipment Bicycle computers Safety and security devices Figure 1. Architecture Core EM6600 32/128 KHz Crystal Osc ROM 4k X 16Bit RAM 128*4Bit Power Supply VLD 8 Levels Prescaler Millisecond Counter 10-Bit Univ Count/Timer Interrupt Controller LCD Controller 3, 4 X 20 Serial Interface Port B Port A Power on Reset Watchdog Melody Generator Voltage Multiplier 02 13 02 13 VDD PWM PWM Figure 2. Pin Configuration, TQFP52 EM6625 TQFP52 1 2 3 4 5 6 7 8 9 10 11 12 13 39 38 37 36 35 34 33 32 31 30 29 28 27 VL1 VL2 VL3 COM[1] COM[2] COM[3] COM[4] SEG[20] SEG[19] SEG[18] SEG[17] SEG[16] SEG[15] PA[1] PA[0] PB[3] PB[2] PB[1] PB[0] PS[3] PS[2] PS[1] PS[0] TEST RESET SEG[1] EM MICROELECTRONIC - MARIN SA |
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