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P89LPC915FDH bảng dữ liệu(PDF) 26 Page - NXP Semiconductors |
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P89LPC915FDH bảng dữ liệu(HTML) 26 Page - NXP Semiconductors |
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26 / 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] All ports are in input only (high-impedance) state after power-up. [2] 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. [3] The RSTSRC register reflects the cause of the P89LPC915/916/917 reset. Upon a power-up reset, all reset source flags are cleared except POF and BOF; the power-on reset value is xx11 0000. [4] 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. [5] On power-on reset, the TRIM SFR is initialized with a factory preprogrammed value. Other resets will not cause initialization of the TRIM register. [6] The only reset source that affects these SFRs is power-on reset. SSTAT Serial port extended status register BAH DBMOD INTLO CIDIS DBISEL FE BR OE STINT 00 0000 0000 SP Stack pointer 81H 07 0000 0111 SPCTL SPI control register E2H SSIG SPEN DORD MSTR CPOL CPHA SPR1 SPR0 04 0000 0100 SPSTAT SPI status register E1H SPIF WCOL - - - - - - 00 00xx xxxx SPDAT SPI data register E3H 00 0000 0000 TAMOD Timer 0 and 1 auxiliary mode 8FH - ------ T0M2 00 xxx0 xxx0 Bit address 8F 8E 8D 8C 8B 8A 89 88 TCON* Timer 0 and 1 control 88H TF1 TR1 TF0 TR0 - - IE0 IT0 00 0000 0000 TH0 Timer 0 high 8CH 00 0000 0000 TH1 Timer 1 high 8DH 00 0000 0000 TL0 Timer 0 low 8AH 00 0000 0000 TL1 Timer 1 low 8BH 00 0000 0000 TMOD Timer 0 and 1 mode 89H T1GATE T1C/T T1M1 T1M0 T0GATE T0C/T T0M1 T0M0 00 0000 0000 TRIM Internal oscillator trim register 96H RCCLK - TRIM.5 TRIM.4 TRIM.3 TRIM.2 TRIM.1 TRIM.0 [5] [6] WDCON Watchdog control register A7H PRE2 PRE1 PRE0 - - WDRUN WDTOF WDCLK [4] [6] WDL Watchdog load C1H FF 1111 1111 WFEED1 Watchdog feed 1 C2H WFEED2 Watchdog feed 2 C3H Table 8. P89LPC916 special function registers …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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