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ST7263BHx Datasheet(PDF) 11 Page - STMicroelectronics |
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ST7263BHx Datasheet(HTML) 11 Page - STMicroelectronics |
11 / 186 page ST7263Bxx Introduction Doc ID 7516 Rev 8 11/186 1 Introduction The ST7263B microcontrollers form a sub-family of the ST7 MCUs dedicated to USB applications. The devices are based on an industry-standard 8-bit core and feature an enhanced instruction set. They operate at a 24 MHz or 12 MHz oscillator frequency. Under software control, the ST7263B MCUs may be placed in either Wait or Halt modes, thus reducing power consumption. The enhanced instruction set and addressing modes afford real programming potential. In addition to standard 8-bit data management, the ST7263B MCUs feature true bit manipulation, 8x8 unsigned multiplication and indirect addressing modes. The devices include an ST7 core, up to 32 Kbytes of program memory, up to 1024 bytes of RAM, 27 I/O lines and the following on-chip peripherals: ● USB low speed interface with 3 endpoints with programmable in/out configuration using the DMA architecture with embedded 3.3 V voltage regulator and transceivers (no external components are needed). ● 8-bit analog-to-digital converter (ADC) with 12 multiplexed analog inputs ● Industry standard asynchronous SCI serial interface ● Watchdog ● 16-bit Timer featuring an External clock input, 2 input Captures, 2 output Compares with Pulse Generator capabilities ● Fast I²C multimaster interface ● Low voltage reset (LVD) ensuring proper power-on or power-off of the device The ST72F63B devices are Flash versions. They support programming in IAP mode (In- application programming) via the on-chip USB interface. Table 2. Device overview Features ST7263BHx ST7263BDx ST7263BKx ST7263BEx Program memory - Kbytes (Flash / ROM) 32 16 8 32 32 16 8 4 32 16 8 4 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, AD 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 |
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