Product Summary

AT89S52-33AI is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The AT89S52-33AI is manufactured using high-density nonvolatile memory technology of the Atmeland is compatible with the industry-standard 80C51 instruction set and pinout. The AT89S52-33AI provides the following standard features: 8K bytes of Flash, 256 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry.

Parametrics

AT89S52-33AI absolute maximum ratings: (1) Operating Temperature: -55 to +125°C; (2) Storage emperature: -65 to +150°C; (3) Voltage on Any Pin with Respect to Ground: -1.0V to +7.0V; (4) Maximum Operating Voltage: 6.6V; (5) DC Output Current: 15mA.

Features

AT89S52-33AI features: (1) Compatible with MCS-51 Products; (2) 8K Bytes of In-System Programmable (ISP) Flash Memory; (3) 4.0V to 5.5V Operating Range; (4) Fully Static Operation: 0Hz to 33MHz; (5) Three-level Program Memory Lock; (6) 256× 8-bit Internal RAM; (7) Three 16-bit Timer/Counters; (8) Full Duplex UART Serial Channel; (9) Low-power Idle and Power-down Modes; (10) Interrupt Recovery from Power-down Mode; (11) Watchdog Timer; (12) Dual Data PointeR; (13) Power-off Flag.

Diagrams

 AT89S52-33AI Pin Configuration

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