SN8P2602B datasheet(5/95 Pages) SONIX

5 / 95 page

SN8P2602B

8-Bit Micro-Controller

SONiX TECHNOLOGY CO., LTD

Page 5

Preliminary Version 0.4

6.6

INT0 (P0.0) INTERRUPT OPERATION......................................................................................... 62

6.7

T0 INTERRUPT OPERATION ....................................................................................................... 63

6.8

TC0 INTERRUPT OPERATION..................................................................................................... 64

6.9

MULTI-INTERRUPT OPERATION............................................................................................... 65

I/O PORT ................................................................................................................................................ 66

7.1

I/O PORT MODE ............................................................................................................................. 66

7.2

I/O PULL UP REGISTER ................................................................................................................ 67

7.3

I/O OPEN-DRAIN REGISTER........................................................................................................ 68

7.4

I/O PORT DATA REGISTER .......................................................................................................... 69

TIMERS .................................................................................................................................................. 70

8.1

WATCHDOG TIMER...................................................................................................................... 70

8.2

TIMER 0 (T0) ................................................................................................................................... 72

8.2.1

OVERVIEW .............................................................................................................................. 72

8.2.2

T0M MODE REGISTER........................................................................................................... 72

8.2.3

T0C COUNTING REGISTER................................................................................................... 73

8.2.4

T0 TIMER OPERATION SEQUENCE ..................................................................................... 74

8.3

TIMER/COUNTER 0 (TC0) ............................................................................................................ 75

8.3.1

OVERVIEW .............................................................................................................................. 75

8.3.2

TC0M MODE REGISTER ........................................................................................................ 76

8.3.3

TC0C COUNTING REGISTER ................................................................................................ 77

8.3.4

TC0R AUTO-LOAD REGISTER .............................................................................................. 78

8.3.5

TC0 CLOCK FREQUENCY OUTPUT (BUZZER) .................................................................. 79

8.3.6

TC0 TIMER OPERATION SEQUENCE .................................................................................. 80

8.4

PWM0 MODE .................................................................................................................................. 82

8.4.1

OVERVIEW .............................................................................................................................. 82

8.4.2

TCxIRQ and PWM Duty ........................................................................................................... 83

8.4.3

PWM Duty with TCxR Changing.............................................................................................. 84

8.4.4

PWM PROGRAM EXAMPLE .................................................................................................. 85

INSTRUCTION TABLE ....................................................................................................................... 86

110

ELECTRICAL CHARACTERISTIC .............................................................................................. 87

10.1

ABSOLUTE MAXIMUM RATING ................................................................................................ 87

10.2

ELECTRICAL CHARACTERISTIC............................................................................................... 87

111

OTP PROGRAMMING PIN.............................................................................................................88

11.1.1

The pin assignment of Easy Writer transition board socket: ................................................... 88

11.1.2

Programming Pin Mapping: .................................................................................................... 89

112

PACKAGE INFORMATION ........................................................................................................... 90

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