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Philips Semiconductors
User’s Manual - Preliminary -
P89LPC901/902/903
FLASH PROGRAM MEMORY
2003 Dec 8 102
Boot Vector
Figure 14-9: Boot Vector (BOOTVEC)
Boot Status
Figure 14-10: Boot Status (BOOTSTAT)
BOOTVEC
Address: xxxxh
Factory default value: 00h
BIT SYMBOL FUNCTION
BOOTVEC.7-5 - Reserved (should remain unprogrammed at zero).
BOOTVEC.4-0 - Boot Vector. If the Boot Vector is selected as the reset address, the P89LPC901/902/903
will start execution at an address comprised of 00H in the lower eight bits and this
BOOTVEC as the upper bits after a reset. (See section "Power-On reset code execution"
on page 73).
76543210
- - - BOOTV4 BOOTV3 BOOTV2 BOOTV1 BOOTV0
BOOTSTAT
Address: xxxxh
Factory default value: 00h
BIT SYMBOL FUNCTION
BOOTSTAT.7-1 - Reserved (should remain unprogrammed at zero).
BOOTSTAT.0 BSB Boot Status Bit. If programmed to ‘1’, the P89LPC901/902/903 will always start execution
at an address comprised of 00H in the lower eight bits and BOOTVEC as the upper bits
after a reset. (See section "Power-On reset code execution" on page 73).
76543210
-------BSB