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HT48R002 数据表(PDF) 3 Page - Holtek Semiconductor Inc |
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HT48R002 数据表(HTML) 3 Page - Holtek Semiconductor Inc |
3 / 71 page Rev. 1.11 2 April 11, 2017 Rev. 1.11 3 April 11, 2017 HT48R002/HT48R003 Cost-Effective I/O 8-Bit OTP MCU HT48R002/HT48R003 Cost-Effective I/O 8-Bit OTP MCU Power Down Mode and Wake-up.................................................................. 23 Power Down Mode................................................................................................................ 23 Entering the Power Down Mode ........................................................................................... 23 Standby Current Considerations........................................................................................... 23 Wake-up................................................................................................................................ 24 Watchdog Timer............................................................................................. 25 Watchdog Timer Clock Source.............................................................................................. 25 Watchdog Timer Control Registers ....................................................................................... 25 Watchdog Timer Operation ................................................................................................... 26 Reset and Initialization.................................................................................. 27 Reset Functions .................................................................................................................... 27 Reset Initial Conditions ......................................................................................................... 30 Input/Output Ports......................................................................................... 33 I/O Register List .................................................................................................................... 33 Pull-high Resistors ................................................................................................................ 34 Port A Wake-up ..................................................................................................................... 34 I/O Port Control Registers..................................................................................................... 35 Pin-shared Functions ............................................................................................................ 36 I/O Pin Structures.................................................................................................................. 36 Programming Considerations................................................................................................ 37 Timer/Event Counter ..................................................................................... 38 Configuring the Timer/Event Counter Input Clock Source .................................................... 38 Timer Register – TMR0......................................................................................................... 39 Timer Control Register – TMR0C.......................................................................................... 39 Timer Mode ........................................................................................................................... 40 Event Counter Mode ............................................................................................................. 41 Pulse Width Capture Mode ................................................................................................... 42 Prescaler............................................................................................................................... 43 PFD Function (for HT48R003) .............................................................................................. 43 I/O Interfacing........................................................................................................................ 43 Programming Considerations................................................................................................ 44 Timer Program Example ....................................................................................................... 45 Interrupts........................................................................................................ 46 Interrupt Register .................................................................................................................. 46 Interrupt Operation................................................................................................................ 47 Interrupt Priority..................................................................................................................... 48 External Interrupt................................................................................................................... 49 Timer/Event Counter Interrupt............................................................................................... 49 Interrupt Wake-up Function................................................................................................... 49 Programming Considerations................................................................................................ 50 Application Circuits....................................................................................... 50 |
类似零件编号 - HT48R002 |
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类似说明 - HT48R002 |
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