AT89LP51ED2-20AAU Atmel, AT89LP51ED2-20AAU Datasheet - Page 76
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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AT89LP51RD2/ED2/ID2 Preliminary
Table 12-6.
Table 12-7.
Port Pin
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
PxM0.y
0
0
1
1
Pin Function Configurations for Port x Pin y
Port Pin Alternate Functions
PxM0.y
P0M0.0
P0M0.1
P0M0.2
P0M0.3
P0M0.4
P0M0.5
P0M0.6
P0M0.7
P1M0.0
P1M0.1
P1M0.2
P1M0.3
Configuration Bits
PxM1.y
0
1
0
1
PxM1.y
P0M1.0
P0M1.1
P0M1.2
P0M1.3
P0M1.4
P0M1.5
P0M1.6
P0M1.7
P1M1.0
P1M1.1
P1M1.2
P1M1.3
Px.y
Alternate
Function
XTAL1B
X
1
1
1
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
T2EX
CEX0
GPI0
GPI1
GPI2
GPI3
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
ECI
SS
T2
Notes
Automatic configuration
input-only
Automatic configuration
input-only
Automatic configuration
input-only
Automatic configuration
input-only
Automatic configuration
input-only
Automatic configuration
input-only
Automatic configuration
input-only
Automatic configuration
input-only
OSCB must be disabled or in
internal oscillator mode
(AT89LP51ID2)
REMAP = 0
I/O Mode
bidirectional (internal pull-up)
output
input
bidirectional (external pull-up)
3714A–MICRO–711
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