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EM6640 Datasheet(PDF) 3 Page - EM Microelectronic - MARIN SA

Part No. EM6640
Description  Low Power Microcontroller with EEPROM AND RC Oscillator
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6640 Datasheet(HTML) 3 Page - EM Microelectronic - MARIN SA

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EM6640
03/02 REV. C/446
Copyright
 2002, EM Microelectronic-Marin SA
3
www.emmicroelectronic.com
INDEX
FEATURES
1
1.
PIN DESCRIPTION FOR EM6640 :
3
2.
OPERATING MODES
4
2.1
ACTIVE Mode
5
2.2
STANDBY Mode
5
2.3
SLEEP Mode
5
3.
POWER SUPPLY
5
4.
RESET
6
4.1
Power-Up
7
4.2
Oscillation Detection Circuit
8
4.3
Input-PortA-Reset
9
4.4
Sleep Counter Reset (SCR)
10
4.5
Digital Watchdog Timer Reset
11
4.6
CPU State after Reset
12
5.
OSCILLATOR AND PRESCALER
13
5.1
Oscillator
13
5.2
Prescaler
14
6.
INPUT AND OUTPUT PORTS
15
6.1
Ports overview
15
6.2
PortA
16
6.2.1
IRQ on portA
16
6.2.2
Pull-up/down
17
6.2.3
Software test variables
17
6.2.4
PortA for 10-bit Counter
17
6.2.5
PortA for serial write buffer (SWB)
17
6.3
PortA registers
17
6.4
PortB
19
6.4.1
Input / Output Mode
19
6.4.2
Pull-up/Down
19
6.4.3
CMOS / Nchannel Open Drain Output
20
6.4.4
PWM and Frequency output
20
6.5
PortB registers
21
6.6
PortC
22
6.6.1
Input / Output Mode
22
6.6.2
Pull-up/Down
22
6.6.3
CMOS / Nchannel Open Drain Output
23
6.6.4
Serial Write Buffer (SWB)
23
6.7
PortC registers
23
7.
10-BIT COUNTER
24
7.1
Full, Limited Bit Counting
24
7.2
Frequency Select and Up/Down Counting
25
7.3
Event Counting
26
7.4
Compare Function
26
7.5
Pulse Width Modulation (PWM) Generation 26
7.5.1
How the PWM generator works.
27
7.5.2
PWM characteristics
27
7.6
Counter setup
27
7.7
10-bit Counter Registers
28
8.
SERIAL (OUTPUT) WRITE BUFFER - SWB
30
8.1
SWB Automatic send mode
31
8.1.1
SWB Automatic with external clock
31
8.1.2
How the SWB in automatic mode works
32
8.2
SWB Interactive send mode
33
8.2.1
How the SWB in interactive mode works
33
8.3
SWB registers
34
9.
EEPROM
36
9.1
EEPROM registers
37
10.
INTERRUPT CONTROLLER
38
10.1
Interrupt control registers
39
11.
SUPPLY VOLTAGE LEVEL DETECTOR
40
11.1
Supply Voltage Level Detector Register
40
12.
RAM
41
12.1
RAM Extension
41
13.
PERIPHERAL MEMORY MAP
42
14.
OPTION REGISTER MEMORY MAP
45
15.
TEST AT EM - ACTIVE SUPPLY CURRENT TEST 46
16.
MASK OPTIONS
47
16.1
Input / Output ports
47
16.1.1
PortA Metal Options
47
16.1.2
PortB Metal Options
48
16.1.3
PortC Metal Options
49
16.2
Digital Watchdog Option
50
16.3
SWBdataLevel Option
50
16.4
Remaining metal mask options
50
16.5
Metal mask ordering
50
17.
TEMPERATURE AND VOLTAGE BEHAVIORS
51
17.1
RC oscillator (typical)
51
17.2
IDD Current (typical)
51
17.3
Regulated Voltage (typical)
52
17.4
Output Currents (typical)
52
17.5
Pull-up/down (typical)
54
18.
EM6640 ELECTRICAL SPECIFICATIONS
55
18.1
Absolute maximum ratings
55
18.2
Handling Procedures
55
18.3
Standard Operating Conditions
55
18.4
DC characteristics - Power Supply Pins
55
18.5
Supply Voltage Level Detector
56
18.6
Oscillator
56
18.7
Analogue filter on PortA
56
18.8
Sleep counter reset (SCR)
56
18.9
EEPROM
56
18.10
DC characteristics - input / output Pins
57
18.11
DC characteristics - pull up/down
58
19.
PAD LOCATION DIAGRAM
59
20.
PACKAGE & ORDERING INFORMATION
59
20.1
Ordering Information
61
20.2
Package Marking
61
20.3
Customer Marking
61
21.
UPDATES OF SPECIFICATIONS
62
1. Pin Description for EM6640 :
Pin Number Pin Name
Function
Remarks
1
VReg
Internal voltage regulator
MFP programming connection


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