AT89LP4052-20XU Atmel, AT89LP4052-20XU Datasheet - Page 93

IC 8051 MCU FLASH 4K 20TSSOP

AT89LP4052-20XU

Manufacturer Part Number
AT89LP4052-20XU
Description
IC 8051 MCU FLASH 4K 20TSSOP
Manufacturer
Atmel
Series
89LPr
Datasheet

Specifications of AT89LP4052-20XU

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
4KB (4K 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-TSSOP
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
20TSSOP
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)
3547J–MICRO–10/09
19. Serial Peripheral Interface ..................................................................... 42
20. Analog Comparator ............................................................................... 49
21. Programmable Watchdog Timer ........................................................... 51
22. Instruction Set Summary ...................................................................... 52
23. Programming the Flash Memory .......................................................... 57
24. Electrical Characteristics ...................................................................... 78
25. Ordering Information ............................................................................. 85
26. Packaging Information .......................................................................... 86
27. Revision History ..................................................................................... 89
19.1 Normal Mode .......................................................................................................44
19.2 Enhanced Mode ..................................................................................................44
19.3 Serial Clock Generator ........................................................................................47
19.4 SPI Pin Configuration ..........................................................................................48
20.1 Comparator Interrupt with Debouncing ...............................................................49
23.1 Programming Command Summary .....................................................................58
23.2 Status Register ....................................................................................................59
23.3 DATA Polling .......................................................................................................59
23.4 Parallel Programming ..........................................................................................59
23.5 In-System Programming (ISP) ............................................................................73
24.1 Absolute Maximum Ratings* ...............................................................................78
24.2 DC Characteristics ..............................................................................................79
24.3 Serial Peripheral Interface Timing ......................................................................80
24.4 External Clock Drive ............................................................................................82
24.5 Serial Port Timing: Shift Register Mode ..............................................................83
24.6 Test Conditions ...................................................................................................83
25.1 Green Package Option (Pb/Halide-free) .............................................................85
26.1 20P3 – PDIP ........................................................................................................86
26.2 20S2 – SOIC ......................................................................................................87
26.3 20X – TSSOP ......................................................................................................88
AT89LP2052/LP4052
iii

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