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ST7262XXX Datasheet(PDF) 1 Page - STMicroelectronics |
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ST7262XXX Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 139 page  Doc ID 6996 Rev 5 June 2009 1/139 ST7262xxx Low speed USB 8-bit MCU with 3 endpoints, Flash or ROM memory, LVD, WDG, 10-bit ADC, 2 timers, SCI, SPI Features ■ Memories – 8 or 16 Kbyte Program memory (ROM or Dual voltage FLASH) with read-write protection – In-Application and In-Circuit Programming for FLASH versions – 384 to 768 bytes RAM (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 frequencies) – 3 Power saving modes ■ USB (Universal Serial Bus) Interface – DMA for low speed applications compliant with USB specification (version 2.0): – Integrated 3.3V voltage regulator and trans- ceivers – Suspend and Resume operations – 3 Endpoints ■ Up to 31 I/O Ports – Up to 31 multifunctional bidirectional I/O lines – Up to 12 External interrupts (3 vectors) – 13 alternate function lines – 8 high sink outputs (8 mA@0.4 V/20 mA@1.3 V) – 2 true open drain pins (N buffer 8 mA@0.4 V) ■ 3 Timers – Configurable watchdog timer (8 to 500 ms timeout) – 8-bit Auto Reload Timer (ART) with 2 Input Captures, 2 PWM outputs and External Clock – 8-bit Time Base Unit (TBU) for generating pe- riodic interrupts cascadable with ART ■ Analog Peripheral – 10-bit A/D Converter with up to 8 input pins. ■ 2 Communications Interfaces – Asynchronous Serial Communication inter- face – Synchronous Serial Peripheral Interface ■ 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 PDIP32 shrink SO34 shrink LQFP44 PDIP42 shrink SO20 PDIP20 Features ST72623F2 ST72621K4 ST72622L2 ST72621L4 ST72621J4 Program memory - Kbytes 8 16 8 16 16 RAM (stack) - bytes 384 (128) 768 (128) 384 (128) 768 (128) 768 (128) Peripherals USB, Watchdog, Low Voltage Detector, 8-bit Auto-Reload timer, Timebase unit, A/D Converter Serial I/O - SPI + SCI SPI SPI + SCI I/Os 11 212331 Operating Supply 4.0V to 5.5V (Low voltage 3.0V to 5.5V ROM versions available) Operating Temperature 0°C to +70°C Packages PDIP20/SO20 PDIP32 SO34 PDIP42/LQFP44 1 Obsolete Product(s) - Obsolete Product(s) |
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