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ST62T35B 数据表(PDF) 2 Page - STMicroelectronics

部件名 ST62T35B
功能描述  8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, 16-BIT AUTO-RELOAD TIMER, EEPROM, SPI AND UART
PDF  82 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST62T35B 数据表(HTML) 2 Page - STMicroelectronics

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ST62T35B/E35B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1 GENERAL DESCRIPTION . . . . . . . .... .. .... ... ... ... ... .. .... ... .... ... . . ... ....5
1.1 INTRODUCTION ..... . . . . . ... ..... . . .. .... ... ... ... ... .... .. .. .... .. .....5
1.2 PIN DESCRIPTIONS . . . . . . . . . . ..... . . .. .... .. .. . . . . . . . . .... . . .. ..... . .....7
1.3 MEMORY MAP . . . . . . ... . ..... .... .. ... ... . . . ... .... ... ... . . ... .. . .... . . .8
1.3.1 Introduction . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... ..8
1.3.2 Program Space . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . ... . . . . . .... .. ... ..8
1.3.3 Data Space . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .10
1.3.4 Stack Space . . . . . . . . . . . . . . . . . .... ... ... . .... ..... . . .. .... .... . ... ..10
1.3.5 Data Window Register (DWR) . . . . . . . . . . . . . . . . . . . . .... .. .... .. .. . . . .... 11
1.3.6 Data RAM/EEPROM Bank Register (DRBR).... . . . . . . ..... ... . ..... . . . . . . 12
1.3.7 EEPROM Description .... . ... . ... ..... .. ... .... ... . ..... .. .. . . .. . . . . 13
1.4 PROGRAMMING MODES ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....15
1.4.1 Option Byte . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .15
1.4.2 Program Memory . . . . .... . . . . . .... ... ... ... .. .... ... .. .... .. .... .. ..15
1.4.3 EEPROM Data Memory . . . . . . . . . . . . ..... .... . .... ... . . . ... ..... . ... .. 15
1.4.4 EPROM Erasing ... .. . . .. ... ... .... ... ... ... . ... . . . ..... .. .... ... . . .15
2 CENTRAL PROCESSING UNIT ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....16
2.1 INTRODUCTION ..... . . . . . ... ..... . . .. .... ... ... ... ... .... .. .. .... .. ....16
2.2 CPU REGISTERS . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .16
3 CLOCKS, RESET, INTERRUPTS AND POWER SAVING MODES . . . . . . . .... .. .... ... . 18
3.1 CLOCK SYSTEM .. ..... ... .. . . ..... .... .. .. .. . . ... .... . ..... .. .. . . .. ... .18
3.1.1 Main Oscillator . . . . . . . . . . ..... . . .. .... .. .. . . . . . . . . .... . . .. ..... . ....18
3.1.2 Low Frequency Auxiliary Oscillator (LFAO) . . . . . . . . . . . . . . . ..... . . . . . . . . . . . 19
3.1.3 Oscillator Safe Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . . ... ... . . . 19
3.2 RESETS . . . . . .. . ..... .. ..... . . . . . . . . . ..... .... . . . . . ... ... ... .. .. . . . . . . .22
3.2.1 RESET Input .... . ..... ... . . . . . ... . . . ... . . . .... ... .. .. . . ..... . . ... .22
3.2.2 Power-on Reset . . . . . . . . . . . . . . . .... ... ... ... . ... . . . ..... .. .... ... . . .22
3.2.3 Watchdog Reset . . . . .... . ..... ... . . . ... . . . ... . ...... ... .. .. . . . . . . . .23
3.2.4 Application Notes . . . . .... . . . . . .... ... ... ... .. .... ... .. .... .. .... .. ..23
3.2.5 MCU Initialization Sequence .... .... . . . . ..... .. ..... . . . ... . . .. .... .. .. 23
3.3 INTERRUPTS . . . . .... .. .... .. ..... . . . ..... . ..... .. .... ... ... ... .... . . ..25
3.3.1 Interrupt request . . . . . . . . . . . . . . . .... ... ... ... . ... . . . ..... .. .... ... . . .25
3.3.2 Interrupt Procedure . . . .... .... .. .. .. . . . . . .... ... ... .. .... ... ... ... . . 26
3.3.3 Interrupt Option Register (IOR) . . . . .... .. ... ... .... ... ... ... . ..... ... .. 27
3.3.4 Interrupt sources . . . . .... . ..... ... . . . ... . . . ... . ...... ... .. .. . . . . . . . .27
3.4 POWER SAVING MODES ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....30
3.4.1 WAIT Mode . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .30
3.4.2 STOP Mode . . . . . . .. . . . ... . . . .... ... ... . .... ..... . . .. .... .... . ... ..30
3.4.3 Exit from WAIT and STOP Modes . . . .... .. .... .. ... ... ... . . . . . ..... ... . 31



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