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HT46R23 数据表(PDF) 13 Page - Holtek Semiconductor Inc |
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HT46R23 数据表(HTML) 13 Page - Holtek Semiconductor Inc |
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13 / 42 page  HT46R23 Rev. 1.30 13 August 17, 2001 TO PD RESET Conditions 0 0 RES reset during power-up u u RES reset during normal operation 0 1 RES wake-up HALT 1 u WDT time-out during normal operation 1 1 WDT wake-up HALT Note: ²u² means 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 reset (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. PC 000H Interrupt Disable WDT Clear. After master reset, WDT begins counting Timer/event Counter Off Input/output Ports Input mode SP Points to the top of the stack The registers states are summarized in the following table. Register Rese t(Power On) WDT Time-out (Normal Operation) RES Reset (Normal Operation) RES Rese (HALT) WDT Time-out (HALT)* TMRL xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMRH xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMRC 00-0 1000 00-0 1000 00-0 1000 00-0 1000 uu-u uuuu Program Counter 000H 000H 000H 000H 000H MP0 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu MP1 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu ACC xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu TBLP xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu TBLH -xxx xxxx -uuu uuuu -uuu uuuu -uuu uuuu -uuu uuuu STATUS --00 xxxx --1u uuuu --uu uuuu --01 uuuu --11 uuuu INTC0 -000 0000 -000 0000 -000 0000 -000 0000 -uuu uuuu INTC1 ---0 ---0 ---0 ---0 ---0 ---0 ---0 ---0 ---u ---u PA 1111 1111 1111 1111 1111 1111 1111 1111 uuuu uuuu PAC 1111 1111 1111 1111 1111 1111 1111 1111 uuuu uuuu PB 1111 1111 1111 1111 1111 1111 1111 1111 uuuu uuuu PBC 1111 1111 1111 1111 1111 1111 1111 1111 uuuu uuuu PC ---1 1111 ---1 1111 ---1 1111 ---1 1111 ---u uuuu PCC ---1 1111 ---1 1111 ---1 1111 ---1 1111 ---u uuuu PD ---- --11 ---- --11 ---- --11 ---- --11 ---- --uu PDC ---- --11 ---- --11 ---- --11 ---- --11 ---- --uu PWM0 xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu PWM1 xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu HADR xxxx xxx- xxxx xxx- xxxx xxx- xxxx xxx- uuuu uuu- HCR 0--0 0--- 0--0 0--- 0--0 0--- 0--0 0--- u--u u--- HSR 100- -0-1 100- -0-1 100- -0-1 100- -0-1 uuu- -u-u HDR xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu |
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