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EM6522 Datasheet(PDF) 6 Page - EM Microelectronic - MARIN SA

Part No. EM6522
Description  MFP version of EM6622 Ultra Low Power Microcontroller with 4x32 LCD Driver
Download  68 Pages
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
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EM6522 Datasheet(HTML) 6 Page - EM Microelectronic - MARIN SA

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EM6522
Copyright © 2005, EM Microelectronic-Marin SA
6
www.emmicroelectronic.com
Figure 3. Typical Configuration
Crystal
LC D D isplay
C1
C1
C1
C4
C3
Vreg
V SS
Te st
Re set
V DD (V bat)
SEG [20:1]
Q in
O out
C2
C2
C1A
C1B
C2A
C2B
C O M [4:1]
VL1
VL2
VL3
E M 6522
A ll C apacitors 100 nF
Po rt A
Strobe
Buzzer
Port B
Port S P
1.1 Programming Connections
The EM6522 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
TQFP
64
DIL
64
Signal Name
Function
Remarks
45
50
42
Test
Input test terminal
Internal pull-down 15k
Usually 1 in MFP mode, 0 resets the
MFP interface
60
1
57
Vbat = VDD
Positive power supply
MFP Power Connection
61
2
58
Vreg
Internal voltage regulator
MFP power Connection, adapts the
Oscillator voltage to Vbat
62
3
59
Qin/Osc1
Crystal terminal
MFP Serial Data Input / Output
63
4
60
Qout /Osc2
Crystal terminal
MFP serial Clock Input
64
5
61
VSS
Negative power supply
MFP Connection, Reference terminal


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