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ST52E440G3D6STN/a26avai8-BIT INTELLIGENT CONTROLLER UNIT ICU Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG
ST52T440G3B6STN/a738avai8-BIT INTELLIGENT CONTROLLER UNIT ICU Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG


ST52T440G3B6 ,8-BIT INTELLIGENT CONTROLLER UNIT ICU Timer/PWM, Analog Comparator, Triac/PWM Timer, WDGTABLE OF CONTENTS1GENERALDESCRIPTION..... 71.1 Introduction.... ...... ...... ....... ...... ...... ..
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ST52E440G3D6-ST52T440G3B6
8-BIT INTELLIGENT CONTROLLER UNIT ICU Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG
Rev.2.9- November 2002 1/94
Timer/PWM,
Memories
Up to8Kbytes EPROM/OTP 128/256 bytesof Readout Protection
Core
Register File Based 55 instructions Hardware multiplication Decision Processor
Fuzzy Logic algorithms
Clock and Power
Upto20 MHz clock On-chip Power On
Detector (BOD) Power Saving features
Interrupts
6 interrupt vectors Top Level External
I/O Ports
13or21 I/O PINs
Output mode High current sink/source
output can supply
Peripherals
Programmable 8-bit
16-bit Prescaler PWM output Input capture Output compare Pulse generator mode Watchdog timer Emulator Low cost Programmer Gang Programmer
ST52T400/T440/E440
ST52T400/T440/E440/T441
Legend:
ST52T400/T440/E440/T441 Type List
Note:
devices with 1-2K NVM have 128 RAM; devices with 4-8K NVM have 256 RAM
Sales code: ST52tnnncmpy
Memory type(t):
F=FLASH, T=OTP, E=EPROM
Subfamily (nnn):
400, 410, 420, 430, 440, 441
Pin Count (c):
Y=16 pins, F=20 pins, G=28 pins, K=32/34 pins, J=42/44 pins
Memory Size (m):
0=1 Kb, 1=2 Kb, 2=4 Kb, 3=8Kb
Packages (p):
B=PDIP, D=CDIP, M=PSO, T=TQFP
Temperature (y):
0=+25, 1=0 +70, 3=-40 +125, 5=-10 +85, 6=-40 +85, 7=-40 +105
3/94
TABLE OF CONTENTS
ST52T400/T440/E440/T441 GENERAL DESCRIPTION ............. .................. .......... 7

1.1 Introduction.... ...... ...... ....... ...... ....... ...... ....... ...... ...... ......7
1.2 Operational Description ...... ....... ...... ....... ...... ....... ...... ...... ......8
1.2.1 MemoryProgramming Phase ..... ...... ....... ...... ....... ...... ...... .....8
1.2.2 Working Mode.... ...... ....... ...... ....... ...... ....... ...... ...... .....8
1.3 Pin Description. ...... ...... ....... ...... ....... ...... ....... ...... ...... .....18 INTERNAL ARCHITECTURE........... .................. ......... 19
2.1 Control Unit and Data Processing Unit.. ...... ....... ...... ....... ...... ...... .....19
2.1.1 Program Counter. ...... ....... ...... ....... ...... ....... ...... ...... .... 19
2.1.2 Flags..... ...... ...... ....... ...... ....... ...... ....... ...... ...... .... 21
2.2 AddressSpaces ...... ...... ....... ...... ....... ...... ....... ...... ...... .....21
2.2.1 Ram and Stack... ...... ....... ...... ....... ...... ....... ...... ...... .... 22
2.2.2 Input Registers Bench... ....... ...... ....... ...... ....... ...... ...... .... 22
2.2.3 Configuration Registers.. ....... ...... ....... ...... ....... ...... ...... .... 23
2.2.4 Output Registers.. ...... ....... ...... ....... ...... ....... ...... ...... .... 23
2.3 Fuzzy Computation.... ...... ....... ...... ....... ...... ....... ...... ...... .....25
2.3.1 Fuzzy Inference.. ...... ....... ...... ....... ...... ....... ...... ...... .... 25
2.3.2 Fuzzyfication Phase ..... ....... ...... ....... ...... ....... ...... ...... .... 25
2.3.3 Inference Phase.. ...... ....... ...... ....... ...... ....... ...... ...... .... 26
2.3.4 Defuzzyfication ... ...... ....... ...... ....... ...... ....... ...... ...... .... 26
2.3.5 Input Membership Function ...... ...... ....... ...... ....... ...... ...... .... 27
2.3.6 Output Singleton.. ...... ....... ...... ....... ...... ....... ...... ...... .... 27
2.3.7 Fuzzy Rules ..... ...... ....... ...... ....... ...... ....... ...... ...... .... 27
2.4 Arithmetic Logic Unit... ...... ....... ...... ....... ...... ....... ...... ...... .....30
2.4.1 Addressing Modes ...... ....... ...... ....... ...... ....... ...... ...... .... 30
2.4.2 Instruction Types. ...... ....... ...... ....... ...... ....... ...... ...... .... 30 EPROM Programming................ .................. ......... 33
3.1 EPROM Programming Phase Procedure ...... ....... ...... ....... ...... ...... .....34
3.1.1 EPROM Operation ...... ....... ...... ....... ...... ....... ...... ...... .... 35
3.1.2 EPROM Locking.. ...... ....... ...... ....... ...... ....... ...... ...... .... 35
3.1.3 EPROM Writing.. ...... ....... ...... ....... ...... ....... ...... ...... .... 35
3.1.4 EPROM Reading/Verify Margin Mode .... ....... ...... ....... ...... ...... .... 35
3.1.5 Standby Mode ... ...... ....... ...... ....... ...... ....... ...... ...... .... 36
3.1.6 IDcode ... ...... ...... ....... ...... ....... ...... ....... ...... ...... .... 36
3.2 Eprom Erasure. ...... ...... ....... ...... ....... ...... ....... ...... ...... .....36 INTERRUPTS ..... .................. .................. ......... 37
4.1 Interrupt Operation .... ...... ....... ...... ....... ...... ....... ...... ...... .....37
4.2 Global Interrupt Request Enabling ..... ...... ....... ...... ....... ...... ...... .....38
4.3 Interrupt Sources ..... ...... ....... ...... ....... ...... ....... ...... ...... .....38
4.4 Interrupt Maskability... ...... ....... ...... ....... ...... ....... ...... ...... .....38
TABLE OF CONTENTS
ST52T400/T440/E440/T441
4.5 Interrupt Priority ...... ...... ....... ...... ....... ...... ....... ...... ...... .....40
4.6 Interrupts and Low power mode ....... ...... ....... ...... ....... ...... ...... .....41
4.7 Interrupt RESET ...... ...... ....... ...... ....... ...... ....... ...... ...... .....41 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 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 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 WATCHDOGTIMER.................. .................. ......... 54
8.1 Functional Description. ...... ....... ...... ....... ...... ....... ...... ...... .....54
8.2 Register Description ... ...... ....... ...... ....... ...... ....... ...... ...... .....55 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 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
5/94
TABLE OF CONTENTS
ST52T400/T440/E440/T441

11.3 Recommended Operating Condition... ...... ....... ...... ....... ...... ...... .....74
11.4 Supply Current Characteristics ....... ...... ....... ...... ....... ...... ...... .....75
11.5 Brown-Out Detector characteristics ... ...... ....... ...... ....... ...... ...... .....76
11.6 Clock and Timing Characteristics ..... ...... ....... ...... ....... ...... ...... .....77
11.7 MemoryCharacteristics ..... ....... ...... ....... ...... ....... ...... ...... .....78
11.8 ESD Pin Protection Strategy.. ....... ...... ....... ...... ....... ...... ...... .....79
11.8.1 Standard Pin Protection. ....... ...... ....... ...... ....... ...... ...... .... 79
11.9 PortPin Characteristics ..... ....... ...... ....... ...... ....... ...... ...... .....80
11.9.1 General Characteristics. ....... ...... ....... ...... ....... ...... ...... .... 80
11.10..... ....... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....82
11.11Control Pin Characteristics.. ....... ...... ....... ...... ....... ...... ...... .....84
11.11.1 RESET pin .... ...... ....... ...... ....... ...... ....... ...... ...... .... 84
11.11.2 Poweron reset. ...... ....... ...... ....... ...... ....... ...... ...... .... 84
11.11.3 VPP pin. ...... ...... ....... ...... ....... ...... ....... ...... ...... .... 84
11.12 Analog Comparator Characteristics.. ...... ....... ...... ....... ...... ...... .....85
11.13 Triac Driver Characteristics.. ....... ...... ....... ...... ....... ...... ...... .....85
ORDERING INFORMATION ............. .................. ......... 92
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