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EM6520 Datasheet(PDF) 5 Page - EM Microelectronic - MARIN SA

Part No. EM6520
Description  MFP version of EM6620 Ultra Low Power Microcontroller 4x8 LCD Driver
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6520 Datasheet(HTML) 5 Page - EM Microelectronic - MARIN SA

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EM6520
03/02 REV. D/449
Copyright
 2002, EM Microelectronic-Marin SA
5
www.emmicroelectronic.com
Figure 3. Typical configuration
crysta l
LC D Disp lay
C2
C2
C1
C1
C1
C4
C3
Vreg
VS S
Test
V DD (V B A T )
SE G [8:1]
QIN
QOU T
C1 A
C1 B
C2 A
C2 B
C O M [4:1]
VL1
VL2
VL3
Port A
Port B
E M 6520
all C apacitors 100nF
1.1 Programming Connections
The EM6520 can be programmed using the standard EM MFP programming box for 4 bit uControllers. The
interface signals are listed in the table below. The circuit can be programmed on the programming box or
directly on the PCB . For more information please refer to the MFP programmer’s manual.
Chip QFP
44
DIL
40
QFP
32
Signal Name
Function
Remarks
20
37
29
27
Test
Input test terminal
Internal pull-down 15k
Usually 1 in MFP mode, 0 resets the
MFP interface
29
5
39
4
VBAT=VDD
Positive power supply
MFP Power Connection
30
6
40
5
Vreg
Internal voltage regulator
MFP power Connection, adapts the
Oscillator voltage to VBAT
31
8
1
6
Qout / Osc2
Crystal terminal
MFP Serial Data Input / Output
32
10
3
7
Qin / Osc1
Crystal terminal
MFP serial Clock Input
33
11
5
8
VSS
Negative power supply
MFP Connection, Reference terminal


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