EM6520 EM Microelectronic, EM6520 Datasheet - Page 3

• Manufacturer Part Number: EM6520
• Description: MFP version of EM6620 Ultra Low Power Microcontroller 4x8 LCD Driver
• Manufacturer: EM Microelectronic

Table of Contents
Features
Description
Typical Applications
EM6520 at a glance
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Copyright  2002, EM Microelectronic-Marin SA
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that the information given has not been superseded by a more up-to-date version.
1.1
2.1
2.2
2.3
4.1
4.2
4.3
4.4
5.1
5.2
6.1
6.2
6.3
6.4
6.5
6.6
7.1
7.2
7.3
7.4
7.5
7.6
7.7
8.1
Pin Description for EM6520
Operating modes
Power Supply
Reset
Oscillator and Prescaler
Input and Output ports
6.2.1
6.2.2
6.2.3
6.2.4
6.4.1
6.4.2
6.4.3
6.4.4
10-bit Counter
7.5.1
7.5.2
Millisecond Counter
Programming Connections
ACTIVE Mode
STANDBY Mode
SLEEP Mode
Oscillation Detection Circuit
Input Port A Reset
Digital Watchdog Timer Reset
CPU State after Reset
Oscillator
Prescaler
Ports overview
Port A
Port A registers
Port B
PB[0] Dynamic Input Comparator
Port B registers
Full and Limited Bit Counting
Frequency Select and Up/Down Counting
Event Counting
Compare Function
Pulse Width Modulation (PWM)
Counter Setup
10-bit Counter Registers
PA[3] Input for MSC
IRQ on Port A
Pull-up/down
Software test variables
Port A for 10-Bit Counter and MSC
Input / Output Mode
Pull-up/Down
CMOS / NCH. Open Drain Output
PWM and Frequency output
How the PWM Generator works.
PWM Characteristics
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10
11
11
11
13
13
14
15
17
19
20
21
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22
23
23
23
25
25
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27
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15
15
15
17
18
18
19
24
24
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1
2
4
5
6
6
6
6
7
8
9
9
9
10
11
12
13
14
15
16
17
18
19
20
8.2
8.3
8.4
8.5
9.1
10.1
12.1
12.2
12.3
12.4
16.1
17.1
17.2
17.3
17.4
18.1
18.2
18.3
18.4
18.5
18.6
18.7
18.8
18.9
18.10
18.11
20.1
3
Interrupt Controller
Supply Voltage Level Detector
RAM
LCD Driver
PERIPHERAL MEMORY MAP
Option Register Memory Map
Active Supply Current test
Mask Options
16.1.1
16.1.2
16.1.3
16.1.4
16.1.5
16.1.6
Measured Electrical Behaviors
EM6520 Electrical specifications
Pad Location Diagram
Package & Ordering Information
IRQ from MSC
MSC-Modes
Mode selection
Millisecond Counter Registers
Interrupt control registers
SVLD Register
LCD Control
LCD addressing
Free segment allocation
LCD Registers
Input / Output Ports
IDD Current
Regulator Voltage
Pull Resistors
Output currents
Absolute maximum ratings
Handling Procedures
Standard Operating Conditions
DC characteristics - Power Supply
SVLD and Input Comparator
Oscillator
DC characteristics - I/O Pins
LCD Seg[8:1] Outputs
LCD Com[4:1] Outputs
Ordering Information
DC Output Component
LCD voltage multiplier
Port A Metal Options
Port B Metal Options
Voltage Regulator Option
SVLD and Input Comp Level Option
Debouncer frequency Option
User defined LCD Segment allocation
www.emmicroelectronic.com
EM6520
03/02 REV. D/449
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