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ST72372J4B1 Datasheet(PDF) 2 Page - STMicroelectronics

No. de pieza ST72372J4B1
Descripción Electrónicos  8-BIT MCUs WITH 16K ROM/OTP/EPROM,512 BYTES RAM, ADC, DAC (PWM), TIMER, I2C AND SCI
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72372J4B1 Datasheet(HTML) 2 Page - STMicroelectronics

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Table of Contents
94
1 GENERAL DESCRIPTION . . . . . . . .... .. .... ... ... ... ... .. .... ... .... ... . . ... ....4
1.1 INTRODUCTION ..... . . . . . ... ..... . . .. .... ... ... ... ... .... .. .. .... .. .....4
1.2 PIN DESCRIPTION .... . ..... ... . . . . . ... . . . ... . . . .... ... .. .. . . ..... . . ... ..5
1.3 MEMORY MAP . . . . . . ... . ..... .... .. ... ... . . . ... .... ... ... . . ... .. . .... . . .9
2 CENTRAL PROCESSING UNIT ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....12
2.1 INTRODUCTION ..... . . . . . ... ..... . . .. .... ... ... ... ... .... .. .. .... .. ....12
2.2 MAIN FEATURES . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .12
2.3 CPU REGISTERS . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .12
3 CLOCKS, RESET, INTERRUPTS & POWER SAVING MODES .... . . . . .. ... ..... . . .. ..15
3.1 CLOCK SYSTEM .. ..... ... .. . . ..... .... .. .. .. . . ... .... . ..... .. .. . . .. ... .15
3.1.1 General Description ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....15
3.1.2 External Clock . . . . . . . .... .. .... ... ... ... ... .. .... ... .... ... . . ... ...15
3.2 RESET . . . . . . . . . ..... .. .... .... .. ... .... ... . . . . . ... . . . ... .... .. .... ... .16
3.2.1 Introduction . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .16
3.2.2 External Reset . . . . . . . . . . ..... . . .. .... .. .. . . . . . . . . .... . . .. ..... . ....16
3.2.3 Reset Operation . . . . . . . . . . . . . . . .... ... ... ... . ... . . . ..... .. .... ... . . .16
3.2.4 Power-on Reset . . . . . . . . . . . . . . . .... ... ... ... . ... . . . ..... .. .... ... . . .16
3.3 INTERRUPTS . . . . .... .. .... .. ..... . . . ..... . ..... .. .... ... ... ... .... . . ..18
3.4 POWER SAVING MODES ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....21
3.4.1 Introduction . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .21
3.4.2 Slow Mode .. ..... ... .. . . ..... .... .. .. .. . . ... .... . ..... .. .. . . .. ... .21
3.4.3 Wait Mode ..... . . . . . ... ..... . . .. .... ... ... ... ... .... .. .. .... .. ....21
3.4.4 Halt Mode . . . . . . . . . .. . . . ..... . ... .... .. .... ... . . . .... ... . . . ... . ....22
3.4.5 Register Description ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....23
4 ON-CHIP PERIPHERALS . . . .... ... .. . . .. .. . . . .... . .... . . .. . . .... ... ... ... .... .24
4.1 I/O PORTS .. . . .. .. .... ... ... .. .. . . . . . . . . . . . . . . ... . . .. ... ... ... . . . ... ...24
4.1.1 Introduction . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .24
4.1.2 Functional Description . . . .... . . .... . . . . ...... . . .. ..... ... . ..... .. .. .. 24
4.1.3 Register Description ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....28
4.2 WATCHDOG TIMER (WDG) .... . ... . ... ..... .. ... .... ... . ..... .. .. . . .. . . . . 30
4.2.1 Introduction . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .30
4.2.2 Main Features . . . . . . . .... .. .... ... ... ... ... .. .... ... .... ... . . ... ...30
4.2.3 Functional Description . . . .... . . .... . . . . ...... . . .. ..... ... . ..... .. .. .. 31
4.2.4 Register Description ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....31
4.3 16-BIT TIMER (TIM) .... . ..... ... . . . . . ... . . . ... . . . .... ... .. .. . . ..... . . ... .32
4.3.1 Introduction . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .32
4.3.2 Main Features . . . . . . . .... .. .... ... ... ... ... .. .... ... .... ... . . ... ...32
4.3.3 Functional Description . . . .... . . .... . . . . ...... . . .. ..... ... . ..... .. .. .. 32
4.3.4 Register Description ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....42
4.4 I C BUS INTERFACE (I2C) .. ... ... .... ... . . .... . . ... .... .. .... .. .... .... ..47
4.4.1 Introduction . . . . . . . . .... . ..... . ..... ... ... .. ... . . . ... .... .. .. . .... .47
4.4.2 Main Features . . . . . . . .... .. .... ... ... ... ... .. .... ... .... ... . . ... ...47
4.4.3 General Description ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....47
4.4.4 Functional Description . . . .... . . .... . . . . ...... . . .. ..... ... . ..... .. .. .. 49
4.4.5 Register Description ..... . ... .... .. .. . . . ... .. .. .. . . .. .... .... .. . . ....52
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