AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 237
AT89LP51ED2-20AU
Manufacturer Part Number
AT89LP51ED2-20AU
Description
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Manufacturer
Atmel
Datasheet
1.AT89LP51ED2-20AAU.pdf
(254 pages)
Specifications of AT89LP51ED2-20AU
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
TQFP-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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Table 25-9.
.
Table 25-10. DAC Characteristics
3714A–MICRO–7/11
Symbol
t
t
V
V
V
V
R
R
C
Symbol
t
t
V
V
V
V
R
ACK
ADC
ACK
DAC
REF
IN
CMI
DI
REF
IN
CMO
DO
IN
MUX
S/H
OUT
Parameter
Gain Error
Offset Error
Clock Period
Conversion Time
Reference Voltage
Single-Ended Input Voltage
Differential Input Common
Mode Voltage
Differential Input Voltage
Analog Input Resistance
Analog Mux Resistance
Sample & Hold Capacitance
Parameter
Resolution
Clock Period
Conversion Time
Reference Voltage
Single-Ended Input Voltage
Differential Output
Common Mode Voltage
Differential Output Voltage
Analog Output Resistance
ADC Characteristics (Continued)
Condition
t
External Reference
Internal Reference
ACK
Condition
External Reference
Internal Reference
≥ t
CLCL
AT89LP51RD2/ED2/ID2 Preliminary
V
V
V
V
V
DD
DD
DD
DD
DD
13t
11t
GND
/2 - V
/2 - V
Min
Min
500
500
100
/2 - 0.2
/2 - 0.2
/2 - 0.2
0.9
0.9
0
0
ACK
ACK
REF
REF
Typical
Typical
V
V
V
1.0
1.0
DD
DD
DD
16
16
10
10
3
/2
/2
/2
V
V
V
V
V
DD
DD
14t
DD
12t
DD
DD
2t
±V
2t
±V
/2 + V
/2 + V
Max
Max
/2 + 0.2
V
/2 + 0.2
/2 + 0.2
200
1.1
1.1
10
ACK
CLCL
ACK
CLCL
DD
REF
REF
+
+
REF
REF
Units
Units
LSB
LSB
Bits
kΩ
kΩ
pF
kΩ
ns
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
237
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