AT89LV55

• Compatible with MCS-51™ Products
• 20K Bytes of Reprogrammable Flash Memory
Endurance: 1,000 Write/Erase Cycles
• Fully Static Operation: 0 Hz to 12 MHz
• Three-Level Program Memory Lock
• 256 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Eight Interrupt Sources
• Low Power Idle and Power Down Modes
• 2.7V to 6.0V Operating Range

Operating Temperature .................................. -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
Voltage on Any Pin
with Respect to Ground .........................................-1.0V to +7.0V
Maximum Operating Voltage............................................. .....6.6V
DC Output Current...................................................... .....15.0 mA

The AT89LV55 is a low-voltage, low-power CMOS 8-bit microcomputer with 20K bytes of Flash programmable and erasable read only memory. The device is manufactured using Atmel's high density nonvolatile memory technology and is compatible with the industry standard 80C51 instruction set and pinout. The on-chip Flash allows the program memory to be reprogrammed. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89LV55 is a powerful microcomputer which provides a highly flexible and cost effective solution to many embedded control applications.