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P89LPC901 Datasheet(PDF) 15 Page - NXP Semiconductors |
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P89LPC901 Datasheet(HTML) 15 Page - NXP Semiconductors |
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15 / 55 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 Table 7: P89LPC901 Special function registers * indicates SFRs that are bit addressable. Name Description SFR addr. Bit functions and addresses Reset value MSB LSB Hex Binary Bit address E7 E6 E5 E4 E3 E2 E1 E0 ACC* Accumulator E0H 00 00000000 AUXR1 Auxiliary function register A2H CLKLP - - ENT0 SRST 0 - DPS 00[1] 000000x0 Bit address F7 F6 F5 F4 F3 F2 F1 F0 B* B register F0H 00 00000000 CMP1 Comparator 1 control register ACH - - CE1 - CN1 - CO1 CMF1 00[1] xx000000 DIVM CPU clock divide-by-M control 95H 00 00000000 DPTR Data pointer (2 bytes) DPH Data pointer HIGH 83H 00 00000000 DPL Data pointer LOW 82H 00 00000000 FMADRH Program Flash address HIGH E7H 00 00000000 FMADRL Program Flash address LOW E6H 00 00000000 FMCON Program Flash Control (Read) E4H BUSY - - - HVA HVE SV OI 70 01110000 Program Flash Control (Write) FMCMD. 7 FMCMD. 6 FMCMD. 5 FMCMD. 4 FMCMD. 3 FMCMD. 2 FMCMD. 1 FMCMD. 0 FMDATA Program Flash data E5H 00 00000000 IEN0* Interrupt enable 0 A8H EA EWDRT EBO - ET1 - ET0 - 00 00000000 Bit address EF EE ED EC EB EA E9 E8 IEN1* Interrupt enable 1 E8H ----- EC EKBI - 00[1] 00x00000 Bit address BF BE BD BC BB BA B9 B8 IP0* Interrupt priority 0 B8H - PWDRT PBO - PT1 - PT0 - 00[1] x0000000 IP0H Interrupt priority 0 HIGH B7H - PWDRT H PBOH - PT1H - PT0H - 00[1] x0000000 Bit address FF FE FD FC FB FA F9 F8 IP1* Interrupt priority 1 F8H ----- PC PKBI - 00[1] 00x00000 IP1H Interrupt priority 1 HIGH F7H ----- PCH PKBIH - 00[1] 00x00000 KBCON Keypad control register 94H ------ PATN _SEL KBIF 00[1] xxxxxx00 |
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