AT89LP2052-20PU Atmel, AT89LP2052-20PU Datasheet - Page 19
![IC 8051 MCU FLASH 2K 20DIP](/photos/6/80/68043/313-20-dip_sml.jpg)
AT89LP2052-20PU
Manufacturer Part Number
AT89LP2052-20PU
Description
IC 8051 MCU FLASH 2K 20DIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP2052-20PU.pdf
(94 pages)
Specifications of AT89LP2052-20PU
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI/UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
15
Number Of Timers
2
Operating Supply Voltage
2.4 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
Minimum Operating Temperature
- 40 C
Package
20PDIP
Device Core
8051
Family Name
AT89
Maximum Speed
20 MHz
Cpu Family
AT89
Device Core Size
8b
Frequency (max)
20MHz
Total Internal Ram Size
256Byte
# I/os (max)
15
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
2.5/3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.4V
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Through Hole
Pin Count
20
Package Type
PDIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89LP2052-20PU
Manufacturer:
ON
Quantity:
340
Table 14-2.
Table 14-3.
3547J–MICRO–10/09
Symbol
EA
EC
ES
ET1
EX1
ET0
EX0
Symbol
PC
PS
PT1
PX1
PT0
PX0
IE = A8H
Bit Addressable
Bit
IP = B8H
Bit Addressable
Bit
Function
Global enable/disable. All interrupts are disabled when EA = 0. When EA = 1, each interrupt source is enabled/disabled
by setting /clearing its own enable bit.
Comparator Interrupt Enable
Serial Port Interrupt Enable
Timer 1 Interrupt Enable
External Interrupt 1 Enable
Timer 0 Interrupt Enable
External Interrupt 0 Enable
Function
Comparator Interrupt Priority Low
Serial Port Interrupt Priority Low
Timer 1 Interrupt Priority Low
External Interrupt 1 Priority Low
Timer 0 Interrupt Priority Low
External Interrupt 0 Priority Low
IE
IP
– Interrupt Enable Register
– Interrupt Priority Register
EA
–
7
7
EC
PC
6
6
–
5
–
5
ES
PS
4
4
ET1
PT1
3
3
EX1
PX1
AT89LP2052/LP4052
2
2
Reset Value = X0X0 0000B
Reset Value = 00X0 0000B
ET0
PT0
1
1
EX0
PX0
0
0
19