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AT89LP51 fiches techniques PDF

ATMEL Corporation - 8-bit Microcontroller

Numéro de référence AT89LP51
Description 8-bit Microcontroller
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT89LP51 fiche technique
Features
8-bit Microcontroller Compatible with 8051 Products
Enhanced 8051 Architecture
– Single Clock Cycle per Byte Fetch
– 12 Clock per Machine Cycle Compatibility Mode
– Up to 20 MIPS Throughput at 20 MHz Clock Frequency
– Fully Static Operation: 0 Hz to 20 MHz
– On-chip 2-cycle Hardware Multiplier
– 256 x 8 Internal RAM
– External Data/Program Memory Interface
– Dual Data Pointers
– 4-level Interrupt Priority
Nonvolatile Program and Data Memory
– 4K/8K Bytes of In-System Programmable (ISP) Flash Program Memory
– 256 Bytes of Flash Data Memory
– 256-byte User Signature Array
– Endurance: 10,000 Write/Erase Cycles
– Serial Interface for Program Downloading
– 64-byte Fast Page Programming Mode
– 3-level Program Memory Lock for Software Security
– In-Application Programming of Program Memory
Peripheral Features
– Three 16-bit Timer/Counters with Clock Out Modes
– Enhanced UART
• Automatic Address Recognition
• Framing Error Detection
• SPI and TWI Emulation Modes
– Programmable Watchdog Timer with Software Reset and Prescaler
Special Microcontroller Features
– Brown-out Detection and Power-on Reset with Power-off Flag
– Selectable Polarity External Reset Pin
– Low Power Idle and Power-down Modes
– Interrupt Recovery from Power-down Mode
– Internal 1.8432 MHz Auxiliary Oscillator
I/O and Packages
– Up to 36 Programmable I/O Lines
– Green (Pb/Halide-free) Packages
• 40-lead PDIP
• 44-lead TQFP/PLCC
• 44-pad VQFN/MLF
– Configurable Port Modes (per 8-bit port)
• Quasi-bidirectional (80C51 Style)
• Input-only (Tristate)
• Push-pull CMOS Output
• Open-drain
Operating Conditions
– 2.4V to 5.5V VCC Voltage Range
– -40° C to 85°C Temperature Range
– 0 to 20 MHz @ 2.4V–5.5V
– 0 to 25 MHz @ 4.5V–5.5V
8-bit
Microcontroller
with 4K/8K
Bytes In-System
Programmable
Flash
AT89LP51
AT89LP52
3709D–MICRO–12/11

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