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PDF EM6604 Data sheet ( Hoja de datos )
| Número de pieza | EM6604 | |
| Descripción | Ultra Low Power Multi I/O Microcontroller | |
| Fabricantes | EM Microelectronic | |
| Logotipo |  |
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EM MICROELECTRONIC - MARIN SA
EM6604
Ultra Low Power Multi I/O Microcontroller
Features
• Low Power - typical 1.7µA active mode
- typical 0.3µA standby mode
@ 1.5V, 32kHz, 25°C
• Low Voltage - 1.2 to 1.7V
• buzzer - 2kHz
• ROM - 1536×16bit (Mask Programmed)
• RAM
- 72 × 4bit (User Read/Write)
• 2 clocks per instruction cycle
• RISC architecture
• 3 software configurable 4-bit ports
• 1 input port
• 1 high current output port
• 1 Input or Output port - bitwise
• Up to 8 outputs (2 ports)
• Voltage level detection (1.25V)
• Timer watchdog
• 8 bit timer
• Power On Reset - POR
• Internal interrupt sources (timer,prescaler)
• External interrupt sources (portA)
Description
The EM6604 series is an advanced single chip,
mask programmed low-power low-voltage
CMOS 4-bit microcontroller. It contains ROM,
RAM, timer, prescaler, watchdog timer, voltage
level detector and stepper motor driver
capability. 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 Microelectronic’s Advanced Low Power
(ALP) CMOS Process.
Typical Applications
• sensor interfaces
• domestic appliances
• security systems
• detectors
• automotive control
• clocks
• measurement equipment
Figure 1 Architecture
Figure 2 Pin Configuration
Copyright 2002, EM Microelectronic-Marin SA
1
03.02 REV. D/440
www.emmicroelectronic.com
1 page  
1. Operating modes
EM6604
Figure 4 Mode transition diagram
The EM6604 has a low power dissipation StandBy
mode.
1.1 STANDBY Mode
Executing a HALT instruction puts the EM6604
into the StandBy mode. The voltage regulator,
oscillator, Watchdog timer, interrupts and timer
are operating. However, the CPU stops since the
clock related to instruction execution stops,
registers, RAM, and I/O pins retain their states
prior to StandBy mode. StandBy is canceled by a
RESET or an Interrupt request, if enabled.
Table 1.1 shows the state of the EM6604
functions mode.
2. Power Supply
Circuit is supplied by single external power
supply between VDD and VSS. Circuit
reference is at VSS (ground). To overcome
problems with high power output buffers when
they are active, internal logic VDDCA can be
switched-off from main VDD (SW bit set to “1“
in SwCtr register) and is maintained by an
external capacitor. High power outputs are
supplied directly from main VDD.
Table 1.1 STANDBY activities
FUNCTION
STANDBY
Oscillator
Active
Instruction Execution
Stopped
Registers and Flags
Retained
Interrupt Functions
Active
RAM
Retained
Timer
Active
Watchdog
Active
I/O pins
Active
Supply VLD
Stopped
Reset pin
Active
Copyright 2002, EM Microelectronic-Marin SA
5
03.02 REV. D/440
www.emmicroelectronic.com
5 Page 
Figure 9 Port C
EM6604
6.6 PortC register
Table 6.6 PortC Input / Output register - PortC
Bit Name
Reset
R/W
3 PC3
- R/W
2 PC2
- R/W
1 PC1
- R/W
0 PC0
- R/W
Description
Input/Output data PC3
Input/Output data PC2
Input/Output data PC1
Input/Output data PC0
7. Buzzer output
The EM6604 has one separate buzzer output
which is controlled by the buzzer control register
BEEP (BCF1 and BCF0 bits). Table 7.0 below
shows how to select the output by writing to the
BCF1 and BCF0 control flags in the BEEP
register.
Table 7.1 Buzzer frequency selection
Tone frequency
BCF1
continuous low
0
continuous high
0
1024 / 2048 Hz option
1
2048 Hz
1
BCF0
0
1
0
1
Copyright 2002, EM Microelectronic-Marin SA
11
03.02 REV. D/440
www.emmicroelectronic.com
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet EM6604.PDF ] | |
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