AT89LP51ED2-20AAU Atmel, AT89LP51ED2-20AAU Datasheet - Page 236
AT89LP51ED2-20AAU
Manufacturer Part Number
AT89LP51ED2-20AAU
Description
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Manufacturer
Atmel
Datasheet
1.AT89LP51ED2-20AAU.pdf
(254 pages)
Specifications of AT89LP51ED2-20AAU
Rohs
yes
Core
8051
Processor Series
AT89x
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
64 KB
Data Ram Size
256 B
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LQFP-44
Mounting Style
SMD/SMT
Data Rom Size
4 KB
Interface Type
2-Wire, SPI, UART
Number Of Programmable I/os
36
Number Of Timers
3
Program Memory Type
Flash
Factory Pack Quantity
160
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25.10 Dual Analog Comparator Characteristics
The values shown in this table are valid for T
Table 25-8.
Figure 25-16. Analog Reference Voltage Typical Characteristics
25.11 DADC Characteristics
The values shown in these tables are valid for T
Table 25-9.
236
Symbol
V
V
V
V
t
t
Symbol
CMP
AREF
OS
AREF
CM
ΔREF
AT89LP51RD2/ED2/ID2 Preliminary
Parameter
Resolution
Absolute Accuracy (including
INL, DNL, quantization error,
gain and offset error)
Integral Non-Linearity (INL)
DIfferential Non-Linearity
(DNL)
Parameter
Common Mode Input Voltage
Input Offset Voltage
Analog Reference Voltage
Reference Delta Voltage
Comparator Propagation Delay
Reference Settling Time
Dual Analog Comparator Characteristics
ADC Characteristics
1.5
1.4
1.3
1.2
1.1
2.4
2.7
Condition
A
= -40°C to 85°C and V
Condition
V
V
A
DD
IN+
Vcc (V)
= -40°C to 85°C and V
= 3.6V
– V
3.0
IN-
= 20mV; V
DD
3.3
= 2.4V
DD
= 2.4 to 5.5V, unless otherwise noted.
DD
Min
= 2.4 to 5.5V, unless otherwise noted.
3.6
GND
1.23
Min
90
Typical
3
4
4
4
Vref+ 85C
Vref+ 25C
Vref+ -40C
Vref 85C
Vref 25C
Vref -40C
Vref- -40C
Vref- 25C
Vref- 85C
Max
1.36
200
V
120
20
DD
Max
10
3714A–MICRO–7/11
Units
Units
mV
mV
ns
µs
LSB
LSB
LSB
Bits
V
V
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