AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 77
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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3714A–MICRO–711
Table 12-7.
Port Pin
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
Port Pin Alternate Functions
PxM0.y
P3M0.2
P3M0.3
P1M0.4
P1M0.5
P1M0.6
P1M0.7
P2M0.0
P2M0.1
P2M0.2
P2M0.3
P2M0.4
P2M0.5
P2M0.6
P2M0.7
P3M0.0
P3M0.1
P3M0.4
P3M0.5
P3M0.6
Configuration Bits
AT89LP51RD2/ED2/ID2 Preliminary
PxM1.y
P1M1.4
P1M1.5
P1M1.6
P1M1.7
P2M1.0
P2M1.1
P2M1.2
P2M1.3
P2M1.4
P2M1.5
P2M1.6
P2M1.7
P3M1.0
P3M1.1
P3M1.2
P3M1.3
P3M1.4
P3M1.5
P3M1.6
Alternate
Function
CEX1
CEX2
CEX3
CEX4
MISO
MOSI
MISO
MOSI
GPI4
GPI5
GPI6
GPI7
AIN0
AIN1
AIN2
AIN3
SCK
SCK
RXD
INT0
INT1
DA+
TXD
A10
A11
DA-
A12
A13
A14
A15
WR
SS
A8
A9
T0
T1
Notes
REMAP = 1
REMAP = 0
REMAP = 1
REMAP = 0
REMAP = 1
REMAP = 0
REMAP = 1
input-only
input-only
input-only
input-only
input-only
input-only
77
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