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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST72C254G2 датащи(PDF) 6 Page - STMicroelectronics |
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ST72C254G2 датащи(HTML) 6 Page - STMicroelectronics |
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6 / 135 page  ST72104G, ST72215G, ST72216G, ST72254G 6/135 1 INTRODUCTION The ST72104G, ST72215G, ST72216G and ST72254G devices are members of the ST7 mi- crocontroller family. They can be grouped as fol- lows: – ST72254G devices are designed for mid-range applications with ADC and I C interface capabili- ties. – ST72215/6G devices target the same range of applications but without I C interface. – ST72104G devices are for applications that do not need ADC and I C peripherals. All devices are based on a common industry- standard 8-bit core, featuring an enhanced instruc- tion set. The ST72C104G, ST72C215G, ST72C216G and ST72C254G versions feature single-voltage FLASH memory with byte-by-byte In-Situ Pro- gramming (ISP) capability. 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. For easy reference, all parametric data are located in Section 13 on page 96. Figure 1. General Block Diagram 8-BIT CORE ALU OSC1 OSC2 RESE T PORT B 16-BIT TIMER A PORT A SPI PORT C 8-BIT ADC WATCHDOG PB7:0 (8 bits) PC5:0 (6 bits) MULTI OSC Internal CLOCK CONTROL RAM (256 Bytes) PA7:0 (8 bits) VSS VDD POWER SUPPLY 16-BIT TIMER B PROGRAM (4 or 8K Bytes) LVD + CLOCK FILTER I 2C MEMORY 4 |
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