AT90LS2343

Manufacturer Part NumberAT90LS2343
Description8-Bit Microcontroller with 2K Bytes of In-System Programmable Flash
ManufacturerATMEL [ATMEL Corporation]
AT90LS2343 datasheets
 


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Features
®
Utilizes the AVR
RISC Architecture
AVR – High-performance and Low-power RISC Architecture
– 118 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General-purpose Working Registers
– Up to 10 MIPS Throughput at 10 MHz
Data and Nonvolatile Program Memory
– 2K Bytes of In-System Programmable Flash
Endurance: 1,000 Write/Erase Cycles
– 128 Bytes Internal RAM
– 128 Bytes of In-System Programmable EEPROM
Endurance: 100,000 Write/Erase Cycles
– Programming Lock for Flash Program and EEPROM Data Security
Peripheral Features
– One 8-bit Timer/Counter with Separate Prescaler
– Programmable Watchdog Timer with On-chip Oscillator
– SPI Serial Interface for In-System Programming
Special Microcontroller Features
– Low-power Idle and Power-down Modes
– External and Internal Interrupt Sources
– Power-on Reset Circuit
– Selectable On-chip RC Oscillator
Specifications
– Low-power, High-speed CMOS Process Technology
– Fully Static Operation
Power Consumption at 4 MHz, 3V, 25°C
– Active: 2.4 mA
– Idle Mode: 0.5 mA
– Power-down Mode: <1 µA
I/O and Packages
– Three Programmable I/O Lines for AT90S/LS2323
– Five Programmable I/O Lines for AT90S/LS2343
– 8-pin PDIP and SOIC
Operating Voltages
– 4.0 - 6.0V for AT90S2323/AT90S2343
– 2.7 - 6.0V for AT90LS2323/AT90LS2343
Speed Grades
– 0 - 10 MHz for AT90S2323/AT90S2343-10
– 0 - 4 MHz for AT90LS2323/AT90LS2343-4
– 0 - 1 MHz for AT90LS2343-1
Pin Configuration
RESET
1
8
VCC
(CLOCK) PB3
2
7
PB2 (SCK/T0)
PB4
3
6
PB1 (MISO/INT0)
GND
4
5
PB0 (MOSI)
AT90S/LS2343
PDIP/SOIC
RESET
1
8
VCC
XTAL1
2
7
PB2 (SCK/T0)
XTAL2
3
6
PB1 (MISO/INT0)
GND
4
5
PB0 (MOSI)
AT90S/LS2323
8-bit
Microcontroller
with 2K Bytes of
In-System
Programmable
Flash
AT90S2323
AT90LS2323
AT90S2343
AT90LS2343
Rev. 1004D–09/01
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