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Moteur de recherche de fiches techniques de composants électroniques |
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EM6635 Fiches technique(PDF) 1 Page - EM Microelectronic - MARIN SA |
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EM6635 Fiches technique(HTML) 1 Page - EM Microelectronic - MARIN SA |
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1 / 39 page  EM6635 03/03 REV. B Copyright 2002, EM Microelectronic-Marin SA 1 www.emmicroelectronic.com Low Power Microcontroller with RC and 32kHz oscillators and 9 high drive outputs Features 32’768Hz crystal oscillator 500kHz RC Oscillator (no external component) External clock (metal option) 9 High drive outputs: up to 20mA Melody generator with 255 programmable frequencies True Low Power: 1.5uA active mode 0.4uA halt mode @ 1.55V, 32kHz, 25°C Low Supply Voltage 1.2V to 3.6V Max. 14 Inputs with selectable debouncers; Port P1, P2, P6, P70, P71 Max. 15 outputs (9 I/O High drive outputs); Port P3, P4, P6, P70, P71, P72 Mask ROM 4096 x 16bits RAM 256 x 4bits 2 clocks per instruction cycle 72 basic instructions 2 outputs; Reset OUT, Buzzer OUT 2 timers 8bits 2 x 4 bits BCD counters Event counter 3bits Prescaler down to 1Hz (crystal =32kHz), readable by CPU in 2 ranges Serial Port as selectable configuration of Port 5 18 Interrupts: 12 internal, 6 external Voltage Level Detector, 3 levels software selectab le Die form and MLF2, 40 pin (Micro Lead Frame) package Description The EM6635 is a low voltage, low power microcontroller containing 9 integrated high-drive outputs able to provide up to 20mA. It is ideal for use in applications in which one must drive devices such as motor drivers, small stepping motors, LEDs, triacs, external EEPROM or other ICs in the system. EM6635 has both a 32kHz crystal oscillator and a 500kHz RC oscillator without external component, as well as an external clock to be driven up to 4MHz. The CPU operating clock can be switched from crystal to RC oscillator for high-speed operation. It has a frequency/melody generator with 255 programmable frequencies for quality buzzer. The EM6635 contains the equivalent of 8kB mask ROM and the RAM has a capacity of 256x4 bits. It also has a power-on reset, watchdog timer, 2 timers 8bits, 2 BCD counters, 3bits event counter, 4 wire serial port 8bits and several clock functions. Figure 1. Architecture Crystal Oscillator 32kHz RC Oscillator 500kHz External clock R A M 256 x 4Bits R O M 4096 x 16Bits Power Supply Voltage reg. Watch Dog timer Frequency Generator B C D Counter Timer 1 Timer 2 Core EM6600 VLD 3levels Frequency Doubler or Interrupt Controller Reset Logic Port 6 0 1 2 3 Port 1 0 1 2 3 Port 7 0 1 2 3 Port 5 0 1 2 3 Port 4 0 1 2 3 Port 3 0 1 2 3 Port 2 0 1 2 3 Serial or parallel port 2 : High Drive Output 3 : Buzzer out High Drive Output Figure 2. Typical application Stepping Motors P72 P3 P4 P5 V P1 P2 SIO VSS VRR QOUT BZ P6 P70,P71 Reset Out EM6635 PI E Z O 32kHz Xtal BAT +VBAT C VRR CENV QIN Reset IN +VBAT Applications Watch & clock Timer / sports timing devices Security / industrial Toys Sensor interface EM MICROELECTRONIC - MARIN SA |
Numéro de pièce similaire - EM6635 |
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Description similaire - EM6635 |
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