SN8F22711B 参数 Datasheet PDF下载

型号：	SN8F22711B
PDF下载：	下载PDF文件查看货源
内容描述：	8位微控制器 [8-Bit Micro-Controller]
分类和应用：	微控制器
文件页数/大小：	111 页 / 1291 K
品牌：	SONIX [ SONIX TECHNOLOGY COMPANY ]

SN8F2270B Series

USB 2.0 Low-Speed 8-Bit Micro-Controller

3.6.2 Diode & RC Reset Circuit ............................................................................................................... 41

3.6.3 Zener Diode Reset Circuit ............................................................................................................... 41

3.6.4 Voltage Bias Reset Circuit............................................................................................................... 42

3.6.5 External Reset IC............................................................................................................................. 42

SYSTEM CLOCK .................................................................................................................................. 43

4.1 OVERVIEW ........................................................................................................................................... 43

4.2 CLOCK BLOCK DIAGRAM................................................................................................................. 43

4.3 OSCM REGISTER ................................................................................................................................. 44

4.4 SYSTEM HIGH CLOCK ....................................................................................................................... 45

4.4.1 INTERNAL HIGH RC...................................................................................................................... 45

4.5 SYSTEM LOW CLOCK ........................................................................................................................ 46

4.5.1 SYSTEM CLOCK MEASUREMENT ............................................................................................... 46

SYSTEM OPERATION MODE ........................................................................................................... 47

5.1 OVERVIEW ........................................................................................................................................... 47

5.2 SYSTEM MODE SWITCHING EXAMPLE ......................................................................................... 48

5.3 WAKEUP ............................................................................................................................................... 50

5.3.1 OVERVIEW ..................................................................................................................................... 50

5.3.2 WAKEUP TIME............................................................................................................................... 50

INTERRUPT........................................................................................................................................... 51

6.1 OVERVIEW ........................................................................................................................................... 51

6.2 INTEN INTERRUPT ENABLE REGISTER ......................................................................................... 52

6.3 INTRQ INTERRUPT REQUEST REGISTER....................................................................................... 53

6.4 GIE GLOBAL INTERRUPT OPERATION .......................................................................................... 54

6.5 PUSH, POP ROUTINE........................................................................................................................... 54

6.6 INT0 (P0.0) & INT1 (P0.1) INTERRUPT OPERATION....................................................................... 55

6.7 T0 INTERRUPT OPERATION.............................................................................................................. 57

6.8 TC0 INTERRUPT OPERATION ........................................................................................................... 58

6.9 USB INTERRUPT OPERATION .......................................................................................................... 59

6.10 WAKEUP INTERRUPT OPERATION ............................................................................................... 60

6.11 SIO INTERRUPT OPERATION.......................................................................................................... 61

6.12 MULTI-INTERRUPT OPERATION ................................................................................................... 62

I/O PORT ................................................................................................................................................ 63

7.1 I/O PORT MODE ................................................................................................................................... 63

7.2 I/O PULL UP REGISTER ...................................................................................................................... 64

7.3 I/O PORT DATA REGISTER ................................................................................................................ 65

7.4 I/O PORT1 WAKEUP CONTROL REGISTER..................................................................................... 66

TIMERS .................................................................................................................................................. 67

8.1 WATCHDOG TIMER............................................................................................................................ 67

8.2 TIMER 0 (T0) ......................................................................................................................................... 69

8.2.1 OVERVIEW ..................................................................................................................................... 69

8.2.2 T0M MODE REGISTER.................................................................................................................. 69

8.2.3 T0C COUNTING REGISTER.......................................................................................................... 70

8.2.4 T0 TIMER OPERATION SEQUENCE ............................................................................................ 71

8.3 TIMER/COUNTER 0 (TC0)................................................................................................................... 72

8.3.1 OVERVIEW ..................................................................................................................................... 72

8.3.2 TC0M MODE REGISTER ............................................................................................................... 73

8.3.3 TC0C COUNTING REGISTER ....................................................................................................... 74

SONiX TECHNOLOGY CO., LTD

Page 4

Version 1.2

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