Boot Process Flowchart; Sector Numbers; User Manual - Philips LPC2101 User Manual

Philips Semiconductors
Volume 1

19.4.14 Boot process flowchart

19.5 Sector numbers

Some IAP and ISP commands operate on "sectors" and specify sector numbers. The
following table indicate the correspondence between sector numbers and memory
addresses for LPC2101/02/03 devices containing 8, 16, and 32 kB of Flash respectively.
IAP, ISP, and RealMonitor routines are located in the boot block. The boot block is present

User manual

RESET
INITIALIZE
1
CRP
ENABLED?
yes
WATCHDOG
FLAG SET?
no
Enter ISP
MODE?
(PO.14 LOW?)
yes
(1) Code Read Protection
Fig 62. Boot process flowchart
Rev. 01 — 12 January 2006
no
ENABLE DEBUG
yes
USER CODE
no
VALID?
RUN AUTO-BAUD
no
AUTO-BAUD
SUCCESSFUL?
RECEIVE CRYSTAL
FREQUENCY
RUN ISP COMMAND
HANDLER
UM10161
Chapter 19: Flash memory
yes
no
EXECUTE INTERNAL
USER CODE
yes
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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