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ST72260G 数据表(PDF) 5 Page - STMicroelectronics |
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ST72260G 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 172 page  ST72260Gx, ST72262Gx, ST72264Gx 5/172 1 INTRODUCTION The ST72260Gx, ST72262Gx and ST72264Gx devices are members of the ST7 microcontroller family. They can be grouped as follows : – ST72264Gx devices are designed for mid-range applications with ADC, I2C and SCI interface ca- pabilities. – ST72262Gx devices target the same range of applications but without I2C interface or SCI. – ST72260Gx devices are for applications that do not need ADC, I2C peripherals or SCI. All devices are based on a common industry- standard 8-bit core, featuring an enhanced instruc- tion set. The ST72F260G, ST72F262G, and ST72F264G versions feature single-voltage FLASH memory with byte-by-byte In-Circuit Programming (ICP) capabilities. Under software control, all devices can be placed in WAIT, SLOW, Active-HALT or HALT mode, re- ducing power consumption when the application is in idle or stand-by 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 is located in Section 13 on page 126. Related Documentation AN1365: Guidelines for migrating ST72C254 ap- plications to ST72F264 Figure 1. General Block Diagram 8-BIT CORE ALU OSC1 OSC2 RESET PORT B 16-BIT TIMER A PORT A SPI PORT C 10-BIT ADC* 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 SCI* MEMORY ICD WATCHDOG I2C* *Not available on some devices, see device summary on page 1. MCC/RTC |
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