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ST62T55CB6 Folha de dados(PDF) 3 Page - STMicroelectronics |
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3 / 84 page 3/84 ST6255C ST6265C ST6265B 1 GENERAL DESCRIPTION 1.1 INTRODUCTION The ST6255C, and ST6265C devices are low cost members of the ST62xx 8-bit HCMOS family of mi- crocontrollers, which is targeted at low to medium complexity applications. All ST62xx devices are based on a building block approach: a common core is surrounded by a number of on-chip periph- erals. The ST62E65C is the erasable EPROM version of the ST62T65C OTP device, which may be used to emulate the ST62T55C and ST62T65C OTP de- vices, as well as the respective ST6255C and ST6265C ROM devices. OTP and EPROM devices are functionally identi- cal. The ROM based versions offer the same func- tionality selecting as ROM options the options de- fined in the programmable option byte of the OTP/ EPROM versions. OTP devices offer all the advantages of user pro- grammability at low cost, which make them the ideal choice in a wide range of applications where frequent code changes, multiple code versions or last minute programmability are required. These compact low-cost devices feature a Timer comprising an 8-bit counter and a 7-bit program- mable prescaler, an 8-bit Auto-Reload Timer, EEPROM data capability (except ST62T55C), a serial port communication interface, an 8-bit A/D Converter with 13 analog inputs and a Digital Watchdog timer, making them well suited for a wide range of automotive, appliance and industrial applications. Figure 1. Block Diagram j TEST NMI INTERRUPT PROGRAM PC STACK LEVEL 1 STACK LEVEL 2 STACK LEVEL 3 STACK LEVEL 4 STACK LEVEL 5 STACK LEVEL 6 POWER SUPPLY OSCILLATOR RESET DATA ROM USER SELECTABLE DATA RAM PORT A PORT B TIMER DIGITAL 8 BIT CORE TEST/VPP 8-BIT A/D CONVERTER PA0..PA7 / Ain PB0..PB5 / 30 mA Sink VDD VSS OSCin OSCout RESET WATCHDOG MEMORY PB6 / ARTimin / 30 mA Sink PORT C PC2 / Sin / Ain PC3 / Sout / Ain SPI (SERIAL PERIPHERAL INTERFACE) AUTORELOAD TIMER PC4 / Sck / Ain PB7 / ARTimout / 30 mA Sink 128 Bytes 3884 bytes (ST62T55C, T65C, DATA EEPROM 128 Bytes PC0 / Ain PC1 / Tim1 / Ain (ST62T65C/E65C) E65C) |
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