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EM6622 Datasheet(PDF) 3 Page - EM Microelectronic - MARIN SA

Part No. EM6622
Description  Ultra Low Power Microcontroller with 4x32 LCD Driver
Download  70 Pages
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6622 Datasheet(HTML) 3 Page - EM Microelectronic - MARIN SA

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EM6622
03/02 REV. C/445
Copyright
 2002, EM Microelectronic-Marin SA
3
www.emmicroelectronic.com
Table of Contents
FEATURES __________________________________ 1
DESCRIPTION _______________________________ 1
TYPICAL APPLICATIONS ______________________ 1
EM6622 AT A GLANCE ________________________ 2
1.
PIN DESCRIPTION FOR EM6622 ____________ 4
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
RESET TERMINAL ______________________ 10
4.3
INPUT PORT A RESET FUNCTION ___________ 10
4.4
DIGITAL WATCHDOG TIMER RESET __________ 11
4.5
CPU STATE AFTER RESET _______________ 11
5.
OSCILLATOR AND PRESCALER ___________ 12
5.1
OSCILLATOR__________________________ 12
5.2
PRESCALER __________________________ 12
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 or Pull-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 or Pull-down_______________ 18
6.4.3
PWM and Frequency Output ________ 19
6.5
PORT B REGISTERS ____________________ 19
6.6
PORT SERIAL _________________________ 20
6.6.1
4-bit Parallel I/O __________________ 20
6.6.2
Pull-up or Pull-down_______________ 21
6.6.3
Nch. Open Drain Outputs___________ 22
6.6.4
General Functional Description ______ 22
6.6.5
Detailed Functional Description ______ 23
6.6.6
Output Modes ___________________ 23
6.6.7
Reset and Sleep on Port SP ________ 24
6.7
SERIAL INTERFACE REGISTERS ____________ 25
7.
MELODY, BUZZER _______________________ 27
7.1
4-BIT TIMER __________________________ 27
7.1.1
Single Run Mode _________________ 28
7.1.2
Continuos Run Mode ______________ 28
7.2
PROGRAMMING ORDER __________________ 29
7.3
MELODY REGISTERS ____________________ 29
8.
10-BIT COUNTER ________________________ 31
8.1
FULL AND LIMITED BIT COUNTING ___________ 31
8.2
FREQUENCY SELECT AND UP/DOWN COUNTING_32
8.3
EVENT COUNTING ______________________ 33
8.4
COMPARE FUNCTION____________________ 33
8.5
PULSE WIDTH MODULATION (PWM)_________ 33
8.5.1
How the PWM Generator works. _____ 34
8.5.2
PWM Characteristics ______________ 34
8.6
COUNTER SETUP ______________________ 35
8.7
10-BIT COUNTER REGISTERS _____________ 35
9.
MILLISECOND COUNTER_________________ 37
9.1
PA[3] INPUT FOR MSC _________________ 37
9.2
IRQ FROM MSC ______________________ 37
9.3
MSC-MODES ________________________ 38
9.4
MODE SELECTION______________________ 38
9.5
MILLISECOND COUNTER REGISTERS ________ 40
10.
INTERRUPT CONTROLLER _____________ 41
10.1
INTERRUPT CONTROL REGISTERS __________ 42
11.
SUPPLY VOLTAGE LEVEL DETECTOR ___ 43
11.1
SVLD REGISTER______________________ 43
12.
STROBE OUTPUT _____________________ 44
12.1
STROBE REGISTER ____________________ 44
13.
RAM ________________________________ 45
14.
LCD DRIVER _________________________ 46
14.1
LCD CONTROL _______________________ 47
14.2
LCD ADDRESSING _____________________ 47
14.3
FREE SEGMENT ALLOCATION _____________ 48
14.4
LCD REGISTERS ______________________ 48
15.
PERIPHERAL MEMORY MAP____________ 50
16.
OPTION REGISTER MEMORY MAP _______ 54
17.
ACTIVE SUPPLY CURRENT TEST ________ 55
18.
MASK OPTIONS ______________________ 56
18.1
INPUT / OUTPUT PORTS _________________ 56
18.1.1
Port A Metal Options ______________ 56
18.1.2
Port A Metal Options ______________ 56
18.1.3
Port B Metal Options ______________ 57
18.1.4
Port SP Metal Options_____________ 58
18.1.5
Voltage Regulator Option __________ 58
18.1.6
Debouncer Frequency Option_______ 59
18.1.7
User defined LCD Segment Allocation 59
19.
TEMP. AND VOLTAGE BEHAVIORS ______ 61
19.1
IDD CURRENT (TYPICAL) ________________ 61
19.2
PULL-DOWN RESISTANCE (TYPICAL) ________ 61
19.3
PULL-UP RESISTANCE (TYPICAL) ___________ 62
19.4
OUTPUT CURRENTS (TYPICAL) ____________ 62
20.
ELECTRICAL SPECIFICATION___________ 63
20.1
ABSOLUTE MAXIMUM RATINGS ____________ 63
20.2
HANDLING PROCEDURES ________________ 63
20.3
STANDARD OPERATING CONDITIONS ________ 63
20.4
DC CHARACTERISTICS - POWER SUPPLY_____ 63
20.5
SUPPLY VOLTAGE LEVEL DETECTOR ________ 64
20.6
OSCILLATOR _________________________ 64
20.7
DC CHARACTERISTICS - I/O PINS __________ 65
20.8
LCD SEG[20:1] OUTPUTS ______________ 66
20.9
LCD COM[4:1] OUTPUTS________________ 66
20.10
DC OUTPUT COMPONENT _____________ 66
20.11
LCD VOLTAGE MULTIPLIER_____________ 66
21.
PAD LOCATION DIAGRAM______________ 67
22.
PACKAGE & ORDERING INFORMATION __ 68
22.1
ORDERING INFORMATION ________________ 69
22.2
PACKAGE MARKING ____________________ 69
22.3
CUSTOMER MARKING ___________________ 69
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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