SH79F024XU datasheet(91/92 Pages) SINOWEALTH

91 / 92 page

SH79F

SH79F082

082

FEATURES.......................................................................................................................................................................1

GENERAL DESCRIPTION............................................................................................................................................... 1

BLOCK DIAGRAM............................................................................................................................................................ 2

PIN CONFIGURATION.....................................................................................................................................................3

PIN DESCRIPTION.......................................................................................................................................................... 5

SFR MAPPING................................................................................................................................................................. 6

NORMAL FUNCTION..................................................................................................................................................... 13

7.1 CPU....................................................................................................................................................................................................... 13

7.1.1 CPU Core SFR............................................................................................................................................................................... 13

7.1.2 Enhanced CPU Core SFRs............................................................................................................................................................ 14

7.2 RAM......................................................................................................................................................................................................15

7.3 FLASH PROGRAM MEMORY................................................................................................................................................................... 16

7.3.1 Features..........................................................................................................................................................................................16

7.3.2 Flash Operation in ICP Mode........................................................................................................................................................16

7.4 SSP FUNCTION.......................................................................................................................................................................................18

7.4.1 SSP Register................................................................................................................................................................................... 18

7.4.2 Flash Control Flow........................................................................................................................................................................ 21

7.4.3 SSP Programming Notice...............................................................................................................................................................22

7.4.4 8bits Read only Random Code....................................................................................................................................................... 22

7.5 SYSTEM CLOCK AND OSCILLATOR........................................................................................................................................................ 23

7.5.1 Feature........................................................................................................................................................................................... 23

7.5.2 Clock Definition............................................................................................................................................................................. 23

7.5.3 Oscillator Type............................................................................................................................................................................... 24

7.5.4 Capacitor Selection for Oscillator................................................................................................................................................. 24

7.6 I/O PORT................................................................................................................................................................................................ 25

7.6.1 Feature........................................................................................................................................................................................... 25

7.6.2 Register...........................................................................................................................................................................................25

7.6.3 Port Diagram................................................................................................................................................................................. 26

7.6.4 Port Share...................................................................................................................................................................................... 27

7.7 TIMER.................................................................................................................................................................................................... 30

7.7.1 Feature........................................................................................................................................................................................... 30

7.7.2 Timer 0, 1....................................................................................................................................................................................... 30

7.7.3 Timer x Mode (x = 0, 1)................................................................................................................................................................. 30

7.7.4 Registers......................................................................................................................................................................................... 33

7.8 INTERRUPT............................................................................................................................................................................................. 35

7.8.1 Feature........................................................................................................................................................................................... 35

7.8.2 Interrupt Enable Control................................................................................................................................................................35

7.8.3 Interrupt Flag................................................................................................................................................................................. 37

7.8.4 Interrupt Vector..............................................................................................................................................................................39

7.8.5 Interrupt Priority............................................................................................................................................................................39

7.8.6 Interrupt Handling......................................................................................................................................................................... 40

7.8.7 Interrupt Response Time................................................................................................................................................................ 40

7.8.8 External Interrupt Inputs................................................................................................................................................................41

7.8.9 Interrupt Summary......................................................................................................................................................................... 41

ENHANCED UNIVERSAL ASYNCHRONOUS RECEIVER-TRANSMITTER................................................................ 42

8.1 PWM (PULSE WIDTH MODULATION)....................................................................................................................................................42

8.1.1 Feature........................................................................................................................................................................................... 42

8.1.2 PWM Module Enable..................................................................................................................................................................... 42

8.1.3 PWM Fault Detect Function.......................................................................................................................................................... 44

8.1.4 PWM Lock Function.......................................................................................................................................................................45

8.1.5 PWM Period and Duty................................................................................................................................................................... 46

8.1.6 PWM Interrupt............................................................................................................................................................................... 48

8.1.7 PWM Mode Select.......................................................................................................................................................................... 49

8.1.8 Note................................................................................................................................................................................................ 50

8.1.9 PWM Dead Time Control...............................................................................................................................................................51

8.2 EUART..................................................................................................................................................................................................57

8.2.1 Feature........................................................................................................................................................................................... 57

8.2.2 EUART Mode Description............................................................................................................................................................. 57

8.2.3 Baud Rate Generate....................................................................................................................................................................... 62

8.2.4 Multi-Processor Communication................................................................................................................................................... 62

8.2.5 Error Detection.............................................................................................................................................................................. 63

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