MAXQ2000-RFX+ Maxim Integrated Products, MAXQ2000-RFX+ Datasheet - Page 3
![IC MCU 32K FLASH 100-LQFP](/photos/6/82/68291/406-100-lqfp_sml.jpg)
MAXQ2000-RFX+
Manufacturer Part Number
MAXQ2000-RFX+
Description
IC MCU 32K FLASH 100-LQFP
Manufacturer
Maxim Integrated Products
Series
MAXQ™r
Datasheet
1.MAXQ2000-RAX.pdf
(39 pages)
Specifications of MAXQ2000-RFX+
Core Processor
RISC
Core Size
16-Bit
Speed
20MHz
Connectivity
1-Wire, SPI, UART/USART
Peripherals
LCD, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 2.75 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Processor Series
MAXQ
Core
RISC
Data Bus Width
16 bit
Data Ram Size
2 KB
Interface Type
JTAG, SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
55
Number Of Timers
3
Operating Supply Voltage
2.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Controller Family/series
MAXQ
No. Of I/o's
50
Ram Memory Size
2048Byte
Cpu Speed
20MHz
No. Of Timers
3
Embedded Interface Type
SPI, UART
Rohs Compliant
Yes
Development Tools By Supplier
MAXQ2000-KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
ELECTRICAL CHARACTERISTICS (continued)
(V
Input High Voltage:
HFIN and 32KIN
Input High Voltage:
P6.4–P6.5 and P7.0–P7.1
Input High Voltage:
All Other Pins
Input Low Voltage:
HFIN and 32KIN
Input Low Voltage:
All Other Pins
Output High Voltage:
P6.4–P6.5 and P7.0–P7.1
Output High Voltage:
All Other Pins
Output Low Voltage for
All Other Pins
Output Low Voltage for
P6.4–P6.5 and P7.0–P7.1
Input Leakage Current
Input Pullup Current
LCD INTERFACE
LCD Reference Voltage
LCD Bias Voltage 1
LCD Bias Voltage 2
LCD Adjustment Voltage
LCD Bias Resistor
LCD Adjustment Resistor
LCD Segment Voltage
DD
= V
PARAMETER
DD(MIN)
to V
DD(MAX)
, V
SYMBOL
DDIO
V
R
V
V
V
V
R
V
V
V
V
SEGxx
V
V
V
V
V
LCD1
LCD2
LADJ
OH1
OH2
I
OL1
OL2
LCD
ADJ
LCD
IH1
IH2
IH3
I
IL1
IL2
IP
L
= 2.7V to 3.6V, T
_____________________________________________________________________
Low-Power LCD Microcontroller
SVS on, V
SVS on; I
I
I
I
Internal pullup disabled
Internal pullup enabled
1/3 bias
1/3 bias
Guaranteed by design
LRA4:LRA0 = 11111b
When segment is driven at V
V
guaranteed by design
When segment is driven at V
V
guaranteed by design
When segment is driven at V
V
guaranteed by design
When segment is driven at V
V
guaranteed by design
OH(MAX)
OL
OL
LCD
LCD1
LCD2
ADJ
= 1.0mA; V
= 1.4mA; V
= 3V; I
= 0V; I
= 2V; I
= 1V; I
A
OH(MAX)
LCD
= 0.75mA; V
= -40°C to +85°C.) (Note 1)
SEGxx
SEGxx
SEGxx
SEGxx
= 3.3V
CONDITIONS
DDIO
DDIO
= 0.75mA; V
= -3μA;
= 3μA;
= -3μA;
= -3μA;
= 1.8V
= 2.7V
DDIO
=1.8V
LCD
LCD1
LCD2
ADJ
LCD
level;
level;
level;
level;
= 2.7V
V
V
V
V
V
V
V
0.8 x
0.8 x
V
0.8 x
GND
GND
V
DDIO
LCD1
LCD2
-100
0.02
0.02
0.02
MIN
DDIO
DDIO
LCD
0.2
0.2
-20
2.7
LCD
LCD
ADJ
0
0
V
V
0
ADJ
ADJ
-
-
-
-
-
+ 2/3 (V
+ 1/3 (V
TYP
100
200
3.3
LCD
LCD
- V
- V
ADJ
ADJ
V
V
V
V
V
V
+100
MAX
0.2 x
0.2 x
0.4 x
V
V
V
DDIO
DDIO
DDIO
DDIO
0.2
0.2
3.6
LCD1
LCD2
0.1
LCD
LCD
LCD
-5
)
)
UNITS
k
k
nA
μA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
3