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EM6520 Datasheet(PDF) 3 Page - EM Microelectronic - MARIN SA

Part No. EM6520
Description  MFP version of EM6620 Ultra Low Power Microcontroller 4x8 LCD Driver
Download  55 Pages
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6520 Datasheet(HTML) 3 Page - EM Microelectronic - MARIN SA

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EM6520
03/02 REV. D/449
Copyright
 2002, EM Microelectronic-Marin SA
3
www.emmicroelectronic.com
Table of Contents
Features
1
Description
1
Typical Applications
1
EM6520 at a glance
2
1
Pin Description for EM6520
4
1.1
Programming Connections
5
2
Operating modes
6
2.1
ACTIVE Mode
6
2.2
STANDBY Mode
6
2.3
SLEEP Mode
6
3
Power Supply
7
4
Reset
8
4.1
Oscillation Detection Circuit
9
4.2
Input Port A Reset
9
4.3
Digital Watchdog Timer Reset
10
4.4
CPU State after Reset
10
5
Oscillator and Prescaler
11
5.1
Oscillator
11
5.2
Prescaler
11
6
Input and Output ports
13
6.1
Ports overview
13
6.2
Port A
14
6.2.1
IRQ on Port A
14
6.2.2
Pull-up/down
15
6.2.3
Software test variables
15
6.2.4
Port A for 10-Bit Counter and MSC
15
6.3
Port A registers
15
6.4
Port B
17
6.4.1
Input / Output Mode
17
6.4.2
Pull-up/Down
18
6.4.3
CMOS / NCH. Open Drain Output
18
6.4.4
PWM and Frequency output
19
6.5
PB[0] Dynamic Input Comparator
19
6.6
Port B registers
20
7
10-bit Counter
21
7.1
Full and Limited Bit Counting
21
7.2
Frequency Select and Up/Down Counting
22
7.3
Event Counting
23
7.4
Compare Function
23
7.5
Pulse Width Modulation (PWM)
23
7.5.1
How the PWM Generator works.
24
7.5.2
PWM Characteristics
24
7.6
Counter Setup
25
7.7
10-bit Counter Registers
25
8
Millisecond Counter
27
8.1
PA[3] Input for MSC
27
8.2
IRQ from MSC
27
8.3
MSC-Modes
28
8.4
Mode selection
28
8.5
Millisecond Counter Registers
30
9
Interrupt Controller
31
9.1
Interrupt control registers
32
10
Supply Voltage Level Detector
33
10.1
SVLD Register
33
11
RAM
34
12
LCD Driver
35
12.1
LCD Control
36
12.2
LCD addressing
36
12.3
Free segment allocation
37
12.4
LCD Registers
37
13
PERIPHERAL MEMORY MAP
39
14
Option Register Memory Map
42
15
Active Supply Current test
43
16
Mask Options
44
16.1
Input / Output Ports
44
16.1.1
Port A Metal Options
44
16.1.2
Port B Metal Options
45
16.1.3
Voltage Regulator Option
46
16.1.4
SVLD and Input Comp Level Option
46
16.1.5
Debouncer frequency Option
46
16.1.6
User defined LCD Segment allocation
46
17
Measured Electrical Behaviors
47
17.1
IDD Current
47
17.2
Regulator Voltage
47
17.3
Pull Resistors
47
17.4
Output currents
48
18
EM6520 Electrical specifications
49
18.1
Absolute maximum ratings
49
18.2
Handling Procedures
49
18.3
Standard Operating Conditions
49
18.4
DC characteristics - Power Supply
49
18.5
SVLD and Input Comparator
50
18.6
Oscillator
50
18.7
DC characteristics - I/O Pins
51
18.8
LCD Seg[8:1] Outputs
52
18.9
LCD Com[4:1] Outputs
52
18.10
DC Output Component
52
18.11
LCD voltage multiplier
52
19
Pad Location Diagram
53
20
Package & Ordering Information
54
20.1
Ordering Information
54
EM Microelectronic-Marin SA cannot assume responsibility for use of any circuitry described other than
circuitry entirely embodied in an EM Microelectronic-Marin SA product. EM Microelectronic-Marin SA reserves
the right to change the circuitry and specifications without notice at any time. You are strongly urged to ensure
that the information given has not been superseded by a more up-to-date version.


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