R
EM6580
Table of Contents
8.4.2
8.5
8.6
PWM Characteristics__________________31
COUNTER SETUP _____________________ 31
10-BIT COUNTER REGISTERS ____________ 32
FEATURES______________________________ 1
DESCRIPTION ___________________________ 1
EM6580 AT A GLANCE ____________________ 2
9.
SUPPLY VOLTAGE LEVEL DETECTOR /
4-BIT ADC ______________________________ 34
10. ADC/SVLD COMPARATOR
CHARACTERISTICS______________________ 37
1.
PIN DESCRIPTION FOR EM6580_______ 4
2.
OPERATING MODES ________________ 5
ACTIVE MODE_______________________ 5
STANDBY (HALT) MODE _______________ 5
SLEEP MODE _______________________ 5
2.1
2.2
2.3
11.
RAM _____________________________ 37
12.
INTERRUPT CONTROLLER __________ 38
3.
POWER SUPPLY____________________ 7
12.1 INTERRUPT CONTROL REGISTERS _________ 39
4.
RESET ____________________________ 8
POR WITH POWER-CHECK RESET_________ 9
INPUT PORT A RESET _________________ 10
DIGITAL WATCHDOG TIMER RESET _______ 10
SLEEP COUNTER RESET _______________ 11
WAKE-UP ON CHANGE ________________ 11
THE CPU STATE AFTER RESET __________ 11
13.
PERIPHERAL MEMORY MAP _________ 40
4.1
4.2
4.3
4.4
4.5
4.6
14.
MASK OPTIONS____________________ 43
14.1 PORT A METAL OPTIONS _______________ 43
14.2 RC OSCILLATOR FREQUENCY OPTION ______ 43
14.3 DEBOUNCER FREQUENCY OPTION ________ 44
14.4 POWER-CHECK LEVEL OPTION ___________ 44
14.5 ADC/SVLD VOLTAGE LEVEL #15_________ 44
14.6 COUNTER UPDATE OPTION ______________ 44
14.7 VOLTAGE REGULATOR LEVEL OPTION ______ 44
14.8 ADDITIONAL REGISTERS COMPARE TO EM668045
5.
OSCILLATOR AND PRESCALER _____ 12
RC OSCILLATOR OR EXTERNAL CLOCK_____ 12
SPECIAL 4 STAGE FREQUENCY DIVIDER ____ 13
PRESCALER ________________________ 13
5.1
5.2
5.3
15.
RC OSCILLATOR___________________ 46
6.
6.1
6.2
INPUT AND OUTPUT PORT A ________ 15
15.1 FREQUENCY SELECTION ________________ 46
15.2 OSCILLATOR TRIMMING ________________ 47
INPUT / OUTPUT PORT OVERVIEW ________ 15
PORTA AS INPUT AND ITS MULTIPLEXING ___ 16
Debouncer __________________________16
IRQ on Port A _______________________17
Pull-up/down ________________________17
Software test variables ________________18
Port A for 10-Bit Counter _______________18
Port A Wake-Up on change_____________18
Port A for Serial Interface ______________18
Port A for External Reset_______________18
Port PA[4] as Comparator Input _________18
16.
UNIQUE ID CODE / SERIAL NUMBER __ 48
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
6.2.8
6.2.9
17.
TEMPERATURE AND VOLTAGE
BEHAVIOUR ____________________________ 49
17.1 IDD CURRENT (TYPICAL) _______________ 49
17.2 PULL-UP AND PULL-DOWN RESISTORS
(TYPICAL) __________________________ 50
17.3 OUTPUT CURRENT (TYPICAL) ____________ 50
17.4 OSCILLATOR FREQUENCY (TYPICAL) _______ 51
6.2.10 Reset and Sleep on Port A _____________18
6.2.11 Port A Blocked Inputs _________________18
18.
ELECTRICAL SPECIFICATION ________ 52
18.1 ABSOLUTE MAXIMUM RATINGS ___________ 52
18.2 HANDLING PROCEDURES _______________ 52
18.3 STANDARD OPERATING CONDITIONS_______ 52
18.4 DC CHARACTERISTICS - POWER SUPPLY ___ 52
18.5 SUPPLY VOLTAGE LEVEL DETECTOR_______ 53
18.6 DC CHARACTERISTICS - I/O PINS _________ 53
18.7 RC OSCILLATOR FREQUENCY ____________ 54
18.8 SLEEP COUNTER RESET - SCR __________ 54
6.3
PORTA AS OUTPUT AND ITS MULTIPLEXING _ 19
CMOS / Nch. Open Drain Output ________19
PORT A REGISTERS___________________ 20
6.3.1
6.4
7.
SERIAL PORT _____________________ 22
7.1
7.2
GENERAL FUNCTIONAL DESCRIPTION______ 23
DETAILED FUNCTIONAL DESCRIPTION______ 23
Output Modes _______________________24
SERIAL INTERFACE REGISTERS __________ 26
7.2.1
7.3
19.
PAD LOCATION DIAGRAM___________55
8.
10-BIT COUNTER __________________ 27
20.
PACKAGE DIMENSIONS_____________ 55
8.1
8.2
8.3
8.4
FULL AND LIMITED BIT COUNTING ________ 27
FREQUENCY SELECT AND UP/DOWN COUNTING28
EVENT COUNTING____________________ 29
PULSE WIDTH MODULATION (PWM) ______ 29
How the PWM Generator works. _________30
20.1 SO-8/14 ___________________________ 55
21. ORDERING INFORMATION___________ 56
21.1 PACKAGE MARKING ___________________ 56
8.4.1
Copyright © 2006, EM Microelectronic-Marin SA
3
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