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© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
User manual Rev. 02 — 23 May 2005 26 of 133
Philips Semiconductors
UM10109
P89LPC932A1 User manual
Table 7: Summary of interrupts
Description Interrupt flag
bit(s)
Vector
address
Interrupt enable
bit(s)
Interrupt
priority
Arbitration
ranking
Power-
down
wake-up
External interrupt 0 IE0 0003h EX0 (IEN0.0) IP0H.0, IP0.0 1 (highest) Yes
Timer 0 interrupt TF0 000Bh ET0 (IEN0.1) IP0H.1, IP0.1 4 No
External interrupt 1 IE1 0013h EX1 (IEN0.2) IP0H.2, IP0.2 7 Yes
Timer 1 interrupt TF1 001Bh ET1 (IEN0.3) IP0H.3, IP0.3 10 No
Serial port Tx and Rx TI and RI 0023h ES/ESR (IEN0.4) IP0H.4, IP0.4 13 No
Serial port Rx RI
Brownout detect BOF 002Bh EBO (IEN0.5) IP0H.5, IP0.5 2 Yes
Watchdog timer/Real-time
clock
WDOVF/RTCF 0053h EWDRT (IEN0.6) IP0H.6, IP0.6 3 Yes
I
2
C interrupt SI 0033h EI2C (IEN1.0) IP0H.0, IP0.0 5 No
KBI interrupt KBIF 003Bh EKBI (IEN1.1) IP0H.0, IP0.0 8 Yes
Comparators 1 and 2
interrupts
CMF1/CMF2 0043h EC (IEN1.2) IP0H.0, IP0.0 11 Yes
SPI interrupt SPIF 004Bh ESPI (IEN1.3) IP1H.3, IP1.3 14 No
Capture/Compare Unit 005Bh ECCU(IEN1.4) IP1H.4, IP1.4 6 No
Serial port Tx TI 006Bh EST (IEN1.6) IP0H.0, IP0.0 12 No
Data EEPROM ADCI1, BNDI1 0073h EAD (IEN1.7) IP1H.7, IP1.7 15 (lowest) No