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EM6640 Datasheet(PDF) 4 Page - EM Microelectronic - MARIN SA

Part No. EM6640
Description  Low Power Microcontroller with EEPROM AND RC Oscillator
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6640 Datasheet(HTML) 4 Page - EM Microelectronic - MARIN SA

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EM6640
03/02 REV. C/446
Copyright
 2002, EM Microelectronic-Marin SA
4
www.emmicroelectronic.com
2
Test
Input test terminal
For EM test purpose only, GND 0 !
And MFP programming connection
3
Port A[0]
Input port A[0]
testvar1, event counter input, IRQPA[0],
SWB input clock
4
Port A[1]
Input port A[1]
testvar2, IRQPA[1]
5
Port A[2]
Input port A[2]
IRQPA[2]
6
Port A[3]
Input port A[3]
event counter input, IRQPA[3]
7
Port B[0]
Input/Output bitwise,
cmos/open drain port B[0]
ck[20] output
8
Port B[1]
Input/Output bitwise,
cmos/open drain port B[1]
ck[16] output
9
Port B[2]
Input/Output bitwise,
cmos/open drain port B[2]
ck[12] output
10
Port B[3]
Input/Output bitwise,
cmos/open drain port B[3]
PWM output
11
Port C[0]
Input/Output bitwise,
cmos/open drain port C[0]
SWB Clock Out
12
Port C[1]
Input/Output bitwise,
cmos/open drain port C[1]
SWB Data Out
13
Port C[2]
Input/Output bitwise,
cmos/open drain port C[2]
14
Port C[3]
Input/Output bitwise,
cmos/open drain port C[3]
15
VBat
Positive power supply terminal
VBat=VDD, MFP programming
connection
16
VSS
Negative power supply terminal reference terminal, MFP programming
connection
Figure 3 Typical configuration
C1
+
CVreg
VReg
VSS
Test
VBat
PortA
PortB
PortC
EM6640
2. Operating modes
The EM6640 has two low power dissipation modes, STANDBY and SLEEP. Figure 4 is a transition diagram for
these modes.


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