AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 62
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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AT89LP51RD2/ED2/ID2 Preliminary
Table 9-2.
Figure 9-1.
PCA IT
KBD IT
MODF
EXF2
TWIF
ADIF
INT0
INT1
SPIF
CFB
TXE
CFA
TF0
TF1
TF2
RI
TI
IPH.x
Priority Level Bit Values
Interrupt Control Subsystem
0
0
1
1
IT0
IT1
Individual Enable
IE0
IE1
ECMP
EKBD
EADC
ETWI
ESPI
EX0
ET0
EX1
ET1
ET2
EC
ES
IEN1, IEN0
IPL.x
IPHx, IPLx
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
0
1
0
1
Global Disable
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
Interrupt Priority Level
High Priority
Interrupt
3 (Highest)
0 (Lowest)
Low Priority
Interrupt
1
2
Interrupt Polling
Sequence,
Decreasing from
High to Low
Priority
3714A–MICRO–7/11
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