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ST72611F1B1 Datasheet(PDF) 1 Page - STMicroelectronics |
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ST72611F1B1 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 80 page June 2003 1/80 Rev. 2.1 ST7261 LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, ROM MEMORY, LVD, WDG, TIMER s Memories – 4K Program memory (ROM) with read-write protection. In-Circuit programming for Flash versions – 256 bytes RAM memory (128-byte stack) s Clock, Reset and Supply Management – Enhanced Reset System (Power On Reset) – Low Voltage Detector (LVD) – Clock-out capability – 6 or 12 MHz Oscillator (8, 4, 2, 1 MHz internal freq.) – 3 Power saving modes: Halt, Wait and Slow s USB (Universal Serial Bus) Interface – DMA for low speed applications compliant with USB 1.5 Mbs specification (v 1.1) and USB HID specification (v 1.0): – Integrated 3.3V voltage regulator and trans- ceivers – Suspend and Resume operations – 3 Endpoints s 11 I/O Ports – 11 multifunctional bidirectional I/O lines – Up to 7 External interrupts (2 vectors) – 8 high sink outputs (8mA@0.4 V/20mA@1.3) s 2 Timers – Configurable watchdog timer (8 to 500ms timeout) – 8-bit Time Base Unit (TBU) for generating pe- riodic interrupts s Instruction Set – 8-bit data manipulation – 63 basic instructions – 17 main addressing modes – 8 x 8 unsigned multiply instruction – True bit manipulation s Nested interrupts s Development Tools – Full hardware/software development package Device Summary SO20 PDIP20 Features ST72611F1 Program memory - bytes 4K ROM RAM (stack) - bytes 256 (128) Peripherals USB, Watchdog, Low Voltage Detector, Time Base Unit I/Os 11 Operating Supply 4.0V to 5.5V CPU Frequency Up to 8 MHz (with 6 or 12 MHz oscillator) Operating Temperature 0°C to +70°C Packages PDIP20/SO20 1 |
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