Overview: ST7260
LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 8K FLASH/ROM AND SERIAL COMMUNICATION INTERFACE (SCI) ■ Memories – 4 or 8 Kbytes Program Memory: High Density Flash (HDFlash), FastROM or ROM with Readout and Write Protection
– In-Application Programming (IAP) and In-Circuit programming (ICP)
– 384 bytes RAM memory (128-byte stack)
■ Clock, Reset and Supply Management – Run, Wait, Slow and Halt CPU modes
– 12 or 24 MHz Oscillator
– RAM Retention mode
– Optional Low Voltage Detector (LVD)
■ USB (Universal Serial Bus) Interface – DMA for low speed applications compliant with USB 1.5 Mbs (version 2.0) and HID specifications (version 1.0)
– Integrated 3.3 V voltage regulator and transceivers
– Supports USB DFU class specification
– Suspend and Resume operations
– 3 Endpoints with programmable In/Out configuration
■ Up to 19 I/O Ports – Up to 8 high sink I/Os (10 mA at 1.3 V)
– 2 very high sink true open drain I/Os (25 mA at 1.5 V)
– Up to 8 lines individually programmable as interrupt inputs SO24 QFN40 (6x6) ■ 2 Timers – Programmable Watchdog
– 16-bit Timer with 2 Input Captures, 2 Output Compares, PWM output and clock input
■ 1 Communication Interface – Asynchronous Serial Communications Interface
■ Instruction Set – 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
■ Development Tools – Versatile Development Tools (under Windows) including assembler, linker, C-compiler, archiver, source level debugger, software library, hardware emulator, programming boards and gang programmers, HID and DFU software layers Table 1.
