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ST52T400 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. ST52T400
Description  8-BIT INTELLIGENT CONTROLLER UNIT ICU Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG
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Maker  STMICROELECTRONICS [STMicroelectronics]
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ST52T400/T440/E440/T441
4/94
4.5 Interrupt Priority ...... ...... ....... ...... ....... ...... ....... ...... ...... .....40
4.6 Interrupts and Low power mode ....... ...... ....... ...... ....... ...... ...... .....41
4.7 Interrupt RESET ...... ...... ....... ...... ....... ...... ....... ...... ...... .....41
5 CLOCK,RESET &POWER SAVING MODE................. ......... 42
5.1 Clock System .. ...... ...... ....... ...... ....... ...... ....... ...... ...... .....42
5.2 Reset.. ....... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....43
5.2.1 External Reset ... ...... ....... ...... ....... ...... ....... ...... ...... .... 43
5.2.2 Reset Operation . . ...... ....... ...... ....... ...... ....... ...... ...... .... 43
5.2.3 Power-on Reset (POR)... ....... ...... ....... ...... ....... ...... ...... .... 43
5.2.4 Brown-Out Detector (BOD)....... ...... ....... ...... ....... ...... ...... .... 44
5.3 Power Saving Modes .. ...... ....... ...... ....... ...... ....... ...... ...... .....44
5.3.1 WaitMode. ...... ...... ....... ...... ....... ...... ....... ...... ...... .... 44
5.3.2 Halt Mode . ...... ...... ....... ...... ....... ...... ....... ...... ...... .... 44
6 I/O PORTS ....... .................. .................. ......... 46
6.1 Introduction .... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....46
6.2 Input Mode .... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....47
6.3 OutputMode ... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....47
6.4 Alternate Functions. ... ...... ....... ...... ....... ...... ....... ...... ...... .....48
6.5 I/O Port Configuration Registers ....... ...... ....... ...... ....... ...... ...... .....48
7 ANALOG COMPARATOR (ST52x440/441).................. ......... 50
7.1 Analog Module Overview ..... ....... ...... ....... ...... ....... ...... ...... .....50
7.2 Comparator Mode ..... ...... ....... ...... ....... ...... ....... ...... ...... .....50
7.3 A/D Converter Mode ... ...... ....... ...... ....... ...... ....... ...... ...... .....50
7.3.1 Operating Modes . ...... ....... ...... ....... ...... ....... ...... ...... .... 51
8 WATCHDOGTIMER.................. .................. ......... 54
8.1 Functional Description . ...... ....... ...... ....... ...... ....... ...... ...... .....54
8.2 Register Description ... ...... ....... ...... ....... ...... ....... ...... ...... .....55
9 PWM/TIMER ...... .................. .................. ......... 56
9.1 Timer Mode.... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....56
9.2 PWM Mode .... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....57
9.3 Timer Interrupt . ...... ...... ....... ...... ....... ...... ....... ...... ...... .....59
10TRIAC/PWMDRIVER ................ .................. ......... 63
10.1 TRIAC/PWM Driver Setting... ....... ...... ....... ...... ....... ...... ...... .....64
10.2 PWM Mode Settings .. ...... ....... ...... ....... ...... ....... ...... ...... .....65
10.3 Burst Mode ... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....66
10.4 Phase Angle Partialization Working Mode .... ....... ...... ....... ...... ...... .....68
11 ELECTRICAL CHARACTERISTICS .... .................. ......... 72
11.1 Parameter Conditions . ...... ....... ...... ....... ...... ....... ...... ...... .....72
11.1.1 Minimum and Maximum values .. ...... ....... ...... ....... ...... ...... .... 72
11.1.2 Typical values ... ...... ....... ...... ....... ...... ....... ...... ...... .... 72
11.1.3 Typical curves ... ...... ....... ...... ....... ...... ....... ...... ...... .... 72
11.1.4 Loading capacitor ...... ....... ...... ....... ...... ....... ...... ...... .... 72
11.1.5 Pin inputvoltage . ...... ....... ...... ....... ...... ....... ...... ...... .... 72
11.2 Absolute Maximum Ratings .. ....... ...... ....... ...... ....... ...... ...... .....72




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