R
EM MICROELECTRONIC - MARIN SA
EM6682
Ultra Low Power 8-pin Microcontroller
Features
Figure 1. Architecture
True Low Power:
4.0 µA active mode
3.0 µA standby mode
VDD
VDD
0.35 µA sleep mode
ROM
1536 x 16Bit
RAM
80 x 4Bit
@ 1.5V, 32kHz, 25°C
Power Supply
Voltage reg.
Low Supply Voltage 0.9 V to 5.5 V
Stable
Medium voltage version: 1.4V to 5.5V
Low voltage version: 0.9V to 1.8V
RC oscillator
32 - 800kHz
Power on
Reset
No external component needed
Prescaler
Available in TSSOP-8/14, SO-8/14 packages and die
4-bit ADC or 12 levels Supply Voltage Level
Detector (SVLD)
Sleep Counter
Reset
Core
EM6600
10-Bit Univ
Count/Timer
Watchdog
Max 4 (5*) outputs with 2 high drive outputs of 10mA
Max. 5 (6*) inputs
Sleep Counter Reset (automatic wake-up from sleep
mode (EM patent))
4-bit ADC
SVLD check
Interrupt
Controller
Mask ROM 1536 × 16 bits
RAM 80 × 4 bits
Internal RC oscillator 32 kHz – 800 kHz
2 clocks per instruction cycle
72 basic instructions
Port A
Serial Interface
PA0 PA1
Reset
PA4
PA2
PA3
*PA5
External CPU clock source possible
Watchdog timer (2 sec)
PA1 & PA2: high-drive outputs (10mA)
* PA5 available only in 14-pin package and in die
Power-On-Reset with Power-Check on Start-Up
3 wire serial port , 8 bit, master and slave mode
Universal 10-bit counter, PWM, event counter
Prescaler down to 1 Hz (freq. = 32 kHz)
Frequency output 1Hz, 2048 Hz, Fosc, PWM
6 internal interrupt sources ( 2×10-bit counter, 2×
prescaler, SVLD, Serial Interface)
2 external interrupt sources (port A)
Figure 2. Pin Configuration
PA0
PA1
PA2
PA3
1
2
3
4
8
7
6
5
VDD
VREG
TSSOP-8, SO-8
EM6682
EM6682
PA4 (reset)
VSS
Description
NC
PA0
PA1
PA2
PA3
NC
1
2
3
4
5
6
7
14 NC
The EM6682 is an ultra-low voltage, low power
microcontroller coming in a package as small as 8-pin
TSSOP and working up to 0.4 MIPS. It comes with an
integrated 4-bit ADC and 2 high drive outputs of 10mA and
it requires no external component. It has a sleep counter
reset allowing automatic wake-up from sleep mode. It is
designed for use in battery-operated and field-powered
13 VDD
12 VREG
11 PA5
TSSOP-14, SO-14
10 PA4 (reset)
9
8
VSS
NC
NC
applications requiring an extended lifetime.
A high
integration level make it an ideal choice for cost sensitive
applications.
Typical Applications
The EM6682 contains the equivalent of 3kB mask ROM
and a RC oscillator with frequencies between 32 and
800kHz selectable by metal option or register. It also has
a power-on reset, watchdog timer, 10 bit up/down
counter, PWM and several clock functions.
Household appliances
Safety and security devices
Automotive controls
Sensor interfaces
Watchdog
Intelligent ADC
Driver (LED, triac)
Tools include windows-based simulator and emulator.
The EM6682 simulator is usable for most of the
EM6682 functions.
Copyright © 2006, EM Microelectronic-Marin SA
1
www.emmicroelectronic.com
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