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Datasheet> All Categories > The embedded processor and controller> Microcontrollers and processors> MAXQ3212-EMX+
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MAXQ3212-EMX+

Description
RISC Microcontroller, 16-Bit, EEPROM, 3.58MHz, CMOS, PDIP24, 0.300 INCH, ROHS COMPLIANT, PLASTIC, MS-001AF, DIP-24
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size320KB，25 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAXQ3212-EMX+ Overview

RISC Microcontroller, 16-Bit, EEPROM, 3.58MHz, CMOS, PDIP24, 0.300 INCH, ROHS COMPLIANT, PLASTIC, MS-001AF, DIP-24

MAXQ3212-EMX+ Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeDIP
package instructionDIP, DIP24,.3
Contacts24
Reach Compliance Codecompliant
Has ADCNO
Address bus width
bit size16
maximum clock frequency3.58 MHz
DAC channelNO
DMA channelNO
External data bus width
JESD-30 codeR-PDIP-T24
JESD-609 codee3
length30.545 mm
Number of I/O lines15
Number of terminals24
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
PWM channelYES
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP24,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply5 V
Certification statusNot Qualified
RAM (bytes)64
rom(word)1024
ROM programmabilityEEPROM
Maximum seat height4.572 mm
speed3.58 MHz
Maximum slew rate10.5 mA
Maximum supply voltage5.5 V
Minimum supply voltage4.5 V
Nominal supply voltage5 V
surface mountNO
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.62 mm
uPs/uCs/peripheral integrated circuit typeMICROCONTROLLER, RISC

MAXQ3212-EMX+ Preview

Rev 0; 5/06
Microcontroller with Analog Comparator
and LED Driver
General Description
The MAXQ3212 microcontroller is a low-power, 16-bit
RISC device that incorporates an analog comparator
and a high-current I/O pin for directly driving an LED.
The device is uniquely suited for cost-conscious appli-
cations such as battery-powered devices, system moni-
tors, and white goods, but can be used in any
application that requires high performance and low-
power operation. The high-performance 16-bit
RISC MAXQ
®
core and 8-bit accumulators are comple-
mented by standard amenities such as timers and digi-
tal I/O. The power consumption per MIPS ratio is
among the best in the 16-bit microcontroller industry.
Features
♦
High-Performance, Low-Power, 16-Bit RISC Core
DC to 3.58MHz Operation, Approaching 1MIPS
per MHz
+5V ±10% Operation
Up to 15 General-Purpose I/O Pins
33 Instructions, Most Single-Cycle
Two Independent Data Pointers Accelerate Data
Movement with Automatic Increment/Decrement
Two Loop Counters
4-Level Hardware Stack
16-Bit Instruction Word, 16-Bit Data Bus
16 x 8-Bit Accumulators
16 x 16 General-Purpose Working Registers
Optimized for C Compiler (High-Speed/Density
Code)
JTAG-Like Debug/Visibility Port
♦
Program and Data Memory
1kWord EEPROM Program Memory, Mask ROM
for High-Volume Applications
128 Bytes EEPROM Data Memory
60,000 EEPROM Write/Erase Cycles
64 Bytes SRAM Data Memory
In-System Programming
♦
Peripheral Features
16-Bit Programmable Timer/Counter with Prescaler
High-Current I/O Pin Suitable for LED Drive
Programmable Watchdog Timer
Selectable Power-Fail Reset
Power-On Reset (POR)
Wake-Up Timer
Internal 8kHz Ring Oscillator
♦
Flexible Programming Interface
Bootloader Simplifies Programming
In-System Programming Through JTAG
Supports In-Application Programming of EEPROM
Memory
♦
Ultra-Low-Power Consumption
2.7µA Stop Mode Current (typ)
Low-Power Divide-by-256 Mode
♦
Analog Features
Analog Comparator Uses Internal or External Voltage
Reference
+2.5V Reference Output Available
1
MAXQ3212
Applications
Gas and Chemical Sensors
Environmental Systems
Battery-Powered and Portable Devices
Electrochemical and Optical Sensors
Industrial Control
Home Appliances
Pin Configuration
TOP VIEW
GND 1
V
REF
/P0.4 2
CMP0/P0.3 3
T2P/P0.2 4
T2PB/P0.1 5
P0.0 6
P1.6 7
P1.5 8
TDO/P1.4 9
TCK/P1.3 10
HFXIN 11
HFXOUT 12
24 CMPI/P0.5
23 INT/P0.6
22 LED/P0.7
21 TDI/P1.0
MAXQ3212
20 RESET/P1.1
19 TMS/P1.2
18 V
DD
17 V
DD
16 N.C.
15 GND
14 N.C.
13 GND
PDIP/TSSOP
Typical Operating Circuit and Ordering Information appear
at end of data sheet.
MAXQ is a registered trademark of Maxim Integrated Products, Inc.
Note:
Some revisions of this device may incorporate deviations
from published specifications known as errata. Multiple revisions
of any device may be simultaneously available through various
sales channels. For information about device errata, go to:
www.maxim-ic.com/errata
.
______________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Microcontroller with Analog Comparator
and LED Driver
MAXQ3212
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Digital I/O Pin
Relative to Ground
........................................
-0.5V to (V
DD
+ 0.5V)
Voltage Range on Any Analog I/O Pin
Relative to Ground...................................-0.5V to (V
DD
+ 0.5V)
Voltage Range on V
DD
Relative to Ground ...........-0.5V to +6.0V
Continuous Output Current (any single I/O pin) .................25mA
Continuous Output Current (all I/O pins combined) ...........25mA
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Soldering Temperature .......................................See IPC/JEDEC
J-STD-020 Specification
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
DD
= V
DD(MIN)
to V
DD(MAX)
, C
VDD
= 10µF + 0.1µF, T
A
= -40°C to +85°C. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Supply Voltage
Power-Fail Reset
SYMBOL
V
DD
V
RST
I
DD1
I
DD2
I
DD3
I
DD4
I
DD5
I
DD6
I
STOP1
Stop-Mode Current
I
STOP2
I
STOP3
RESET
Pullup
INTERNAL VOLTAGE REFERENCE
Voltage Reference Output
Regulated Voltage Settling Time
Input Common-Mode Voltage
Input Current
V
REFO
t
REFO
V
REFI
I
REFI
I
SOURCE
= 50µA max, I
SINK
= 50µA max
Turn on to 0.1% of final V
REFO
value (Note 3)
Input
Input
0
1
2.44
2.5
1.2
V
DD
-
1.5
2.56
V
ms
V
nA
R
RST
/1 mode, sysclk = f
HFXIN
(Note 2)
/2 mode, sysclk = f
HFXIN
/ 2
(Note 2)
/4 mode, sysclk = f
HFXIN
/ 4
(Note 2)
/8 mode, sysclk = f
HFXIN
/ 8
(Note 2)
PMM1 mode, sysclk = f
HFXIN
/ 256
(Note 2)
8kHz ring mode (Note 2)
Brownout detector off, wake-up timer on,
T
A
= +50°C, V
DD
= 5.5V (Note 3)
Brownout detector off, wake-up timer on,
T
A
= +25°C
Brownout detector on, wake-up timer on,
T
A
= +25°C
V
RST
= 0.4V, V
DD
= 5.5V
102
CONDITIONS
MIN
4.5
4.15
7.3
4.6
3.3
2.6
2.0
0.7
2.7
2.7
48
150
TYP
5.0
MAX
5.5
4.6
10.5
7.0
4.7
3.9
3.0
1.3
20
10
75
250
kΩ
µA
UNITS
V
V
Active Current
mA
2
_____________________________________________________________________
Microcontroller with Analog Comparator
and LED Driver
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= V
DD(MIN)
to V
DD(MAX)
, C
VDD
= 10µF + 0.1µF, T
A
= -40°C to +85°C. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Input Offset Voltage
Input Common-Mode Voltage
Common-Mode Rejection Ratio
SYMBOL
V
OS
V
CMR
CMRR
(Note 3)
f
HFIN
= 3.58MHz, comparator on,
comparator reference at (V
DD
- 1.5) / 2
while CMPI transitions from GND to
(V
DD
- 1.5) in approximately 2ns
f
HFIN
= 3.58MHz,
ΔV
= 20mV
T
A
= +25°C
-50
0.85 x
V
DD
0.15 x
V
DD
0.85 x
V
DD
0.4
0.4
-1
-31
+1
-50
CONDITIONS
MIN
-11
0
55
0.14 +
t
CLCL
0.6 +
t
CLCL
TYP
MAX
+11
V
DD
-
1.5
UNITS
mV
V
dB
MAXQ3212
ANALOG VOLTAGE COMPARATOR
Response Time
µs
Comparator Mode Change to
Output Valid
DC Input-Leakage Current
DIGITAL I/O AND OSCILLATOR
Input High Voltage:
Px.x and HFXIN
Input Low Voltage:
Px.x and HFXIN
Output High Voltage: Px.x
Output Low Voltage: Px.x
(except P0.7)
Output Low Voltage: P0.7
Input Low Current (All Ports)
Input Low Current (All Ports)
CLOCK SOURCES
External-Clock Frequency
Internal Ring Oscillator
JTAG PROGRAMMING
TCK Frequency
f
TCK
f
HFIN
f
RO
V
IH
V
IL
V
OH
V
OL
V
OL1
I
L
I
L
0.8
1.0
1.6
+50
µs
nA
XTRC = 0/1
XTRC = 0/1
I
SOURCE
= 4mA
I
SINK
= 4mA
I
SINK
= 10mA
Input mode with weak pullup disabled
Input mode with weak pullup active,
V
IL
= 0.4V, V
DD
= 5.5V
External crystal
External oscillator
V
V
V
V
V
µA
µA
1
0
8
3.58
3.58
MHz
kHz
JTAG programming (Note 3). Sysclk is a
function of f
HFXIN
and the clock divisor; see
the I
DDx
parameters above
θ
JA
= +85°C
θ
JA
= +25°C
0
sysclk /
8
MHz
MEMORY CHARACTERISTICS (Note 3)
EEPROM Write/Erase Cycles
EEPROM Data Retention
15,000
60,000
10
Cycles
Years
Note 1:
Specifications to -40°C are guaranteed by design and are not production tested.
Note 2:
Measured on the V
DD
pin with V
DD
= 5.5V, f
HFXIN
= 3.58MHz, program EEPROM contains checkerboard, and not in reset.
Note 3:
Specification guaranteed by design but not production tested.
_____________________________________________________________________
3
Microcontroller with Analog Comparator
and LED Driver
MAXQ3212
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
DIGITAL SUPPLY CURRENT
vs. CLOCK FREQUENCY
MAXQ3212 toc01
P0/P1 LOW-OUTPUT VOLTAGE
vs. SINK CURRENT
MAXQ3212 toc02
25
T
A
= -40°C
T
A
= +25°C
I
OL
(mA)
5
4
I
DD1
(mA)
3
2
1
0
0
1
T
A
= -40°C
20
T
A
= +85°C
15
T
A
= +85°C
10
5
V
DD
= +5.0V
CLOCK SOURCE DRIVEN ON HFXIN
0
2
f
HFXIN
(MHz)
3
0
1
V
OL
(V)
2
V
DD
= +5.0V
f
HFXIN
= 3.58MHz
P0.7 LOW-OUTPUT VOLTAGE
vs. SINK CURRENT
T
A
= -40°C
20
T
A
= +25°C
T
A
= +85°C
I
OL
(mA)
15
CMPO
MAXQ3212 toc02
ANALOG COMPARATOR DELAY
MAXQ3212 toc04
25
CMPI
5V/div
10
5V/div
5
V
DD
= +5.0V
f
HFXIN
= 3.58MHz
0
1
V
OL
(V)
2
50ns/div
0
4
_____________________________________________________________________
Microcontroller with Analog Comparator
and LED Driver
Pin Description
PIN
1,
13,
15
NAME
GND
Ground
FUNCTION
MAXQ3212
2
V
REF
/P0.4
Voltage Reference Input/Output or General-Purpose, Digital I/O, Type D Port.
This pin functions as either
the output of the internal voltage reference or as a bidirectional I/O. This pin can also be driven with an external
voltage to provide an optional voltage reference. The pin defaults to a digital input with a weak pullup after a
reset.
Analog Voltage Comparator Output or General-Purpose, Digital I/O, Type D Port.
This pin functions as
either the output of the analog voltage comparator or as a bidirectional I/O. The pin defaults to a digital input
with a weak pullup after a reset.
Timer 2 Input/Output or General-Purpose, Digital I/O, Type D Port.
This pin functions as either the input or
output of Timer 2 or as a bidirectional I/O. The pin defaults to a digital input with a weak pullup after a reset.
Secondary Timer 2 Input/Output or General-Purpose, Digital I/O, Type D Port.
This pin functions as either
the secondary output of Timer 2 or as a bidirectional I/O. The pin defaults to a digital input with a weak pullup
after a reset.
General-Purpose, Digital I/O, Type D Port.
This pin functions as a bidirectional I/O, and defaults to a digital
input with a weak pullup after a reset.
General-Purpose, Digital I/O, Type D Port.
This pin functions as a bidirectional I/O, and defaults to a digital
input with a weak pullup after a reset.
General-Purpose, Digital I/O, Type D Port.
This pin functions as a bidirectional I/O, and defaults to a digital
input with a weak pullup after a reset.
Debug Port Signal TDO or General-Purpose, Digital I/O, Type D Port.
This pin functions as either the TDO
signal of the debug port or as a bidirectional I/O. The pin defaults to a digital input with a weak pullup after a reset.
Debug Port Signal TCK or General-Purpose, Digital I/O, Type D Port.
This pin functions as either the TCK signal
of the debug port or as a bidirectional I/O. The pin defaults to a digital input with a weak pullup after a reset.
Oscillator Input.
Connect an external crystal or resonator between HFXIN and HFXOUT for system clock
generation. When using a crystal, a load capacitor of approximately 22pF must be connected between this pin
and ground. Alternatively, HFXIN is the input for an external clock source when HFXOUT is floating.
3
CMP0/P0.3
4
T2P/P0.2
5
T2PB/P0.1
6
7
8
9
10
P0.0
P1.6
P1.5
TDO/P1.4
TCK/P1.3
11
HFXIN
_____________________________________________________________________
5
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