AT89LP2052-20SU Atmel, AT89LP2052-20SU Datasheet - Page 92
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AT89LP2052-20SU
Manufacturer Part Number
AT89LP2052-20SU
Description
IC 8051 MCU FLASH 2K 20SOIC
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP2052-20PU.pdf
(94 pages)
Specifications of AT89LP2052-20SU
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-SOIC (7.5mm Width)
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
UART, SPI
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
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
Minimum Operating Temperature
- 40 C
Package
20SOIC W
Device Core
8051
Family Name
AT89
Maximum Speed
20 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Table of Contents (Continued)
ii
AT89LP2052/LP4052
13. Power Saving Modes ............................................................................. 14
14. Interrupts ................................................................................................ 16
15. I/O Ports .................................................................................................. 20
16. Enhanced Timer/Counters .................................................................... 24
17. External Interrupts ................................................................................. 30
18. Serial Interface ....................................................................................... 31
12.3 External Reset .....................................................................................................14
12.4 Watchdog Reset ..................................................................................................14
13.1 Idle Mode .............................................................................................................15
13.2 Power-down Mode ..............................................................................................15
14.1 Interrupt Response Time .....................................................................................17
15.1 Quasi-bidirectional Output ...................................................................................20
15.2 Input-only Mode ...................................................................................................21
15.3 Open-drain Output ...............................................................................................22
15.4 Push-pull Output ..................................................................................................22
15.5 Port 1 Analog Functions ......................................................................................22
15.6 Port Read-Modify-Write .......................................................................................23
15.7 Port Alternate Functions ......................................................................................23
16.1 Mode 0 ................................................................................................................24
16.2 Mode 1 ................................................................................................................25
16.3 Mode 2 ................................................................................................................26
16.4 Mode 3 ................................................................................................................26
16.5 Pulse Width Modulation .......................................................................................29
16.6 Timer/Counter Pin Configuration .........................................................................30
18.1 Multiprocessor Communications .........................................................................31
18.2 Baud Rates ..........................................................................................................33
18.3 More About Mode 0 .............................................................................................34
18.4 More About Mode 1 .............................................................................................36
18.5 More About Modes 2 and 3 .................................................................................38
18.6 Framing Error Detection ......................................................................................41
18.7 Automatic Address Recognition ..........................................................................41
3547J–MICRO–10/09