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EM6625 Datasheet(PDF) 1 Page - EM Microelectronic - MARIN SA

Part No. EM6625
Description  Ultra Low Power Microcontroller with 4x20 LCD Driver
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6625 Datasheet(HTML) 1 Page - EM Microelectronic - MARIN SA

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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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