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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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P89LPC933FDH датащи(PDF) 23 Page - NXP Semiconductors |
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P89LPC933FDH датащи(HTML) 23 Page - NXP Semiconductors |
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23 / 75 page  xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx [1] Unimplemented bits in SFRs (labeled ’-’) are X (unknown) at all times. Unless otherwise specified, ones should not be written to these bits since they may be used for other purposes in future derivatives. The reset values shown for these bits are logic 0s although they are unknown when read. [2] All ports are in input only (high-impedance) state after power-up. [3] BRGR1 and BRGR0 must only be written if BRGEN in BRGCON SFR is logic 0. If any are written while BRGEN = 1, the result is unpredictable. [4] The RSTSRC register reflects the cause of the P89LPC933/934/935/936 reset. Upon a power-up reset, all reset source flags are cleared except POF and BOF; the power-on reset value is xx11 0000. [5] After reset, the value is 1110 01x1, i.e., PRE2 to PRE0 are all logic 1, WDRUN = 1 and WDCLK = 1. WDTOF bit is logic 1 after watchdog reset and is logic 0 after power-on reset. Other resets will not affect WDTOF. [6] On power-on reset, the TRIM SFR is initialized with a factory preprogrammed value. Other resets will not cause initialization of the TRIM register. [7] The only reset source that affects these SFRs is power-on reset. TL2 CCU timer low CCH 00 0000 0000 TMOD Timer 0 and 1 mode 89H T1GATE T1C/T T1M1 T1M0 T0GATE T0C/T T0M1 T0M0 00 0000 0000 TOR2H CCU reload register high CFH 00 0000 0000 TOR2L CCU reload register low CEH 00 0000 0000 TPCR2H Prescaler control register high CBH - - - - - - TPCR2H. 1 TPCR2H. 0 00 xxxx xx00 TPCR2L Prescaler control register low CAH TPCR2L. 7 TPCR2L. 6 TPCR2L. 5 TPCR2L. 4 TPCR2L. 3 TPCR2L. 2 TPCR2L. 1 TPCR2L. 0 00 0000 0000 TRIM Internal oscillator trim register 96H RCCLK ENCLK TRIM.5 TRIM.4 TRIM.3 TRIM.2 TRIM.1 TRIM.0 [6] [5] WDCON Watchdog control register A7H PRE2 PRE1 PRE0 - - WDRUN WDTOF WDCLK [7] [5] WDL Watchdog load C1H FF 1111 1111 WFEED1 Watchdog feed 1 C2H WFEED2 Watchdog feed 2 C3H Table 6: Special function registers - P89LPC935/936 …continued * indicates SFRs that are bit addressable. Name Description SFR addr. Bit functions and addresses Reset value MSB LSB Hex Binary |
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