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AT89LP6440 Datasheet, PDF (1/194 Pages) ATMEL Corporation – 8-bit Microcontroller with 64K Bytes In-System Programmable Flash | |||
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Features
⢠8-bit Microcontroller Compatible with MCS®51 Products
Enhanced 8051 Architecture
â Single-clock Cycle per Byte Fetch
â Up to 20 MIPS Throughput at 20 MHz Clock Frequency
â Fully Static Operation: 0 Hz to 20 MHz
â On-chip 2-cycle Hardware Multiplier
â 16x16 MultiplyâAccumulate Unit
â 256x8 Internal RAM
â 4096x8 Internal Extra RAM
â Dual Data Pointers
â 4-level Interrupt Priority
Nonvolatile Program and Data Memory
â 64K Bytes of In-System Programmable (ISP) Flash Program Memory
â 8K Bytes of Flash Data Memory
â Endurance: Minimum 100,000 Write/Erase Cycles
â Serial Interface for Program Downloading
â 64-byte Fast Page Programming Mode
â 256-Byte User Signature Array
â 2-level Program Memory Lock for Software Security
â In-Application Programming of Program Memory
Peripheral Features
â Three 16-bit Enhanced Timer/Counters
â Two 8-bit PWM Outputs
â 4-Channel 16-bit Compare/Capture/PWM Array
â Enhanced UART with Automatic Address Recognition and Framing
Error Detection
â Enhanced Master/Slave SPI with Double-buffered Send/Receive
â Master/Slave Two-Wire Serial Interface
â Programmable Watchdog Timer with Software Reset
â Dual Analog Comparators with Selectable Interrupts and Debouncing
â 8-channel 10-bit ADC/DAC
â 8 General-purpose Interrupt Pins
Special Microcontroller Features
â Two-wire On-chip Debug Interface
â Brown-out Detection and Power-on Reset with Power-off Flag
â Active-low External Reset Pin
â Internal RC Oscillator
â Low Power Idle and Power-down Modes
â Interrupt Recovery from Power-down Mode
I/O and Packages
â Up to 38 Programmable I/O Lines
â 40-lead PDIP or 44-lead TQFP/PLCC or 44-pad VQFN/MLF
â Configurable I/O Modes
⢠Quasi-bidirectional (80C51 Style)
⢠Input-Only (Tristate)
⢠Push-pull CMOS Output
⢠Open-drain
Operating Conditions
â 2.4V to 3.6V VDD Voltage Range
â -40° C to 85°C Temperature Range
â 0 to 20 MHz @ 2.4â3.6V
8-bit
Microcontroller
with 64K Bytes
In-System
Programmable
Flash
AT89LP6440 -
Preliminary
3706AâMICROâ9/09
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