ST7261

www.DataSheet4U.com ST7261 LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, ROM MEMORY, LVD, WDG, TIMER s s s s s Memories – 4K Program memory (ROM) with read-write protection. In-Circuit programming for Flash versions – 256 bytes RAM memory (128-byte stack) 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 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 transceivers – Suspend and Resume operations – 3 Endpoints 11 I/O Ports – 11 multifunctional bidirectional I/O lines – Up to 7 External interrupts (2 vectors) – 8 high sink outputs ([email protected] V/[email protected]) 2 Timers – Configurable watchdog timer (8 to 500ms timeout) – 8-bit Time Base Unit (TBU) for generating periodic interrupts SO20 PDIP20 s s s Instruction Set – 8-bit data manipulation – 63 basic instructions – 17 main addressing modes – 8 x 8 unsigned multiply instruction – True bit manipulation Nested interrupts Development Tools – Full hardware/software development package Device Summary Features Program memory - bytes RAM (stack) - bytes Peripherals I/Os Operating Supply CPU Frequency Operating Temperature Packages ST72611F1 4K ROM 256 (128) USB, Watchdog, Low Voltage Detector, Time Base Unit 11 4.0V...