EM6605 Datasheet, PDF (1/43 Pages) National Semiconductor (TI) – 4 bit Microcontroller

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EM6605 - 4 bit Microcontroller
Features
• Low Power - typical 4.0µA active mode
- typical 2.5µA standby mode
- typical 0.3µA sleep mode
@ 1.8V, 32kHz, 25 °C
• Low Voltage - 1.8 to 5.5V
• RC oscillator 30 - 300kHz
• buzzer - three tone
• ROM - 2k × 16 (Mask Programmed)
• RAM - 96 × 4 (User Read/Write)
• 2 clocks per instruction cycle
• RISC architecture
• 4 software configurable 4-bit ports
• Up to 16 inputs (4 ports)
• Up to 12 outputs (3 ports)
• Serial (Output) Write buffer - SWB
• Voltage level detection
• Analogue watchdog
• Timer watchdog
• 8 bit timer / event counter
• Internal interrupt sources (timer, event
counter, prescaler)
• External interrupt sources (portA + portC)
Description
The EM66XX series is an advanced single chip low
cost, mask programmed CMOS 4-bit microcontroller.
It contains ROM, RAM, watchdog timer, oscillation
detection circuit, combined timer / event counter,
prescaler, voltage level detector and a number of
clock functions. Its low voltage and low power
operation make it the most suitable controller for
battery, stand alone and mobile equipment. The
EM66XX series is manufactured using EM’s
Advanced Low Power CMOS Process.
Typical Applications
Figure 1.Architecture
Figure 2.Pin Configuration
• sensor interfaces
• domestic appliances
• security systems
• automotive controls
• TV & audio remote controls
• measurement equipment
• R/F and IR. control
© EM Microelectronic-Marin SA, 2/99, Rev. B/243
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