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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST7261 датащи(PDF) 4 Page - STMicroelectronics |
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ST7261 датащи(HTML) 4 Page - STMicroelectronics |
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4 / 80 page  ST7261 4/80 1 INTRODUCTION The ST7261 devices are members of the ST7 mi- crocontroller family designed for USB applications. All devices are based on a common industry- standard 8-bit core, featuring an enhanced instruc- tion set. The ST7261 devices are ROM versions. The FLASH version is supported by the ST72F623F2. Under software control, all devices can be placed in WAIT, SLOW, or HALT mode, reducing power consumption when the application is in idle or standby state. The enhanced instruction set and addressing modes of the ST7 offer both power and flexibility to software developers, enabling the design of highly efficient and compact application code. In addition to standard 8-bit data management, all ST7 micro- controllers feature true bit manipulation, 8x8 un- signed multiplication and indirect addressing modes. Figure 1. General Block Diagram 8-BIT CORE ALU OSCIN OSCOUT RESET PORT B USB SIE PORT A PB7:0 (8 bits) OSCILLATOR Internal CLOCK CONTROL RAM PA2:0 (3 bits) VSS VDD POWER SUPPLY PROGRAM (4 KBytes) LVD MEMORY WATCHDOG USBDP USBDM USBVCC USB DMA TIME BASE UNIT VPP (256 Bytes) 1 |
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