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1 / 145 page  Rev. 7.0 August 2007 1/145 ST7263BDx ST7263BHx ST7263BKx ST7263BE Low speed USB 8-bit MCU family with up to 32K Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI & I²C ■ Memories – 4, 8, 16 or 32 Kbytes program memory: high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection – In-application programming (IAP) and in-cir- cuit programming (ICP) – 384, 512 or 1024 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 spec- ifications (version 1.0) – Integrated 3.3 V voltage regulator and trans- ceivers – Supports USB DFU class specification – Suspend and Resume operations – 3 endpoints with programmable Input/Output configuration ■ Up to 27 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 in- terrupt inputs ■ 1 analog peripheral – 8-bit A/D converter with 8 or 12 channels ■ 2 timers – Programmable watchdog – 16-bit timer with 2 Input Captures, 2 Output Compares, PWM output and clock input ■ 2 communication Interfaces – Asynchronous serial communications Inter- face – I²C multimaster Interface up to 400 kHz ■ 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, ar- chiver, source level debugger, software li- brary, hardware emulator, programming boards and gang programmers, HID and DFU software layers Table 1. Device summary SO34(Shrink) PSDIP32 SO24 LQFP48 (7x7) QFN40 (6x6) Features ST7263BH2, ST7263BH6 ST7263BD6 ST7263BK1, ST7263BK2, ST7263BK4, ST7263BK6 ST7263BE1, ST7263BE2, ST7263BE4, ST7263BE6 Program memory (Flash / ROM) - bytes 32K 16K 8K 32K 32K 16K 8K 4K 32K 16K 8K 4K RAM (stack) - bytes 1024 (128) 512 (128) 384 (128) 1024 (128) 1024 (128) 512 (128) 384 (128) 384 (128) 1024 (128) 512 (128) 384 (128) 384 (128) Standard peripherals Watchdog timer, 16-bit timer, USB Other peripherals SCI, I²C, ADC SCI, ADC ADC SCI, I²C I/Os (high current) 27 (10) 19 (10) 14 (6) Operating supply 4.0 V to 5.5 V CPU frequency 8 MHz (with 24 MHz oscillator) or 4 MHz (with 12 MHz oscillator) Operating temp. 0 °C to +70 °C Packages LQFP48 (7x7) QFN40 (6x6) SDIP32/ SO34 QFN40 (6x6) SDIP32/SO34 SO24 1 |
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