EM6640 Datasheet | EM Microelectronic

Features - Low Power - 42µA active mode - 8µA standby mode - 0.3µA sleep mode @ 3.0V, 600k Hz, 25°C, typ Voltage Range - 1.9 to 5.5 V Supply voltage level detection (SVLD) ROM - 1280 × 16 bit RAM - 80 × 4 bit EEPROM - 32 x 8 bit 2 clocks per instruction cycle 72 basic instructions RC oscillator Oscillation detection circuit / Digital watchdog timer reset. Maximum 12 inputs (3 ports) Maximum 8 outputs (2 ports) Serial Write Buffer - 256 bits (SWB) 10 bit up/down counter with PWM capability Frequency out 600k Hz, 37.5k Hz, 2.3k Hz, PWM Sleep Counter Reset (SCR) programmable. 8 internal interrupt sources (3×prescaler, 2×timer ,1x SWB, 1×SVLD, 1x EEPROM) 4 external interrupt sources (port A) Reset with input binations Packages available : TSSOP16, SO16, SO18 Figure 1 Architecture - - - - - - - - - - - - - - - - - - - Figure 2 Pin Configuration of TSSOP16 Description The EM6640 is an advanced single chip CMOS 4-bit microcontroller. It contains ROM, RAM, EEPROM, watchdog timer, oscillation detection circuit, 10 bit up/down counter, prescaler, supply voltage level detector (SVLD), sleep counter reset (SCR), frequency output and SWB. The low voltage feature and low power consumption make it the most suitable controller for battery, stand alone and mobile equipment. The EM66XX series is manufactured using EM Microelectronic’s Advanced Low Power (ALP) CMOS Process. Typical Applications - - - - - - - remote controls medical applications domestic appliance safety and security devices measurement equipment interactive system keyless entry with rolling code 03/02 REV. C/446 Copyright  2002, EM Microelectronic-Marin SA .emmicroelectronic. EM6640 at a glance - Power Supply - Low voltage, low power architecture including internal voltage regulator. - 1 5.5V battery voltage. - 600 k Hz RC oscillator. - 42µA typical in active mode @ 3V, 25C°. - 8µA typical in standby mode @ 3V, 25C°. - 0.3µA typical in sleep mode @ 3V, 25C°. RAM - 80 x 4 bit, directly addressable....