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HT82M9BEE 数据表(PDF) 13 Page - Holtek Semiconductor Inc |
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HT82M9BEE 数据表(HTML) 13 Page - Holtek Semiconductor Inc |
13 / 44 page HT82M9BEE/HT82M9BAE Rev. 1.50 13 December 22, 2008 TO PDF RESET Conditions 00 RES reset during power-up 00 RES reset during normal operation 00 RES wake-up HALT 1 u WDT time-out during normal operation 1 1 WDT wake-up HALT Note: ²u² stands for ²unchanged² To guarantee that the system oscillator is started and stabilized, the SST (System Start-up Timer) provides an extra delay of 1024 system clock pulses when the sys- tem resets (power-up, WDT time-out or RES reset) or the system awakes from the HALT state. When a system reset occurs, the SST delay is added during the reset period. Any wake-up from HALT will en- able the SST delay. The functional unit chip reset status are shown below. Program Counter 000H Interrupt Disable Prescaler Clear WDT Clear. After master reset, WDT begins counting Timer/event Counter Off Input/output Ports Input mode Stack Pointer Points to the top of the stack V D D R E S Reset Circuit W a r m R e s e t W D T H A L T C o l d R e s e t R E S S y s t e m R e s e t S S T 1 0 - b i t R i p p l e C o u n t e r O S C 1 Reset Configuration t S S T R E S V D D S S T T i m e - o u t C h i p R e s e t Reset Timing Chart The registers status are summarized in the following table. Register Reset (Power On) WDT Time-out (Normal Operation) RES Reset (Normal Operation) RES Reset (HALT) WDT Time-out (HALT)* USB Reset (Normal) USB Reset (HALT) Program Counter 000H 000H 000H 000H 000H 000H 000H MP0 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu MP1 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu BP 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 ACC xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu TBLP xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu TBLH xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu WDTS 1000 0111 1000 0111 1000 0111 1000 0111 uuuu uuuu 1000 0111 1000 0111 STATUS --00 xxxx --1u uuuu --00 uuuu --00 uuuu --11 uuuu --uu uuuu --01 uuuu INTC -000 0000 -000 0000 --00 uuuu -000 0000 -uuu uuuu -000 0000 -000 0000 TMR0 xxxx xxxx 0000 0000 0000 0000 0000 0000 uuuu uuuu uuuu uuuu uuuu uuuu |
类似零件编号 - HT82M9BEE_08 |
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类似说明 - HT82M9BEE_08 |
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