Figure 49: Boot Process Flowchart (Bootloader Revisions 1.61 And Later) - Philips LPC2194 User Manual

Philips Semiconductors
ARM-based Microcontroller
Reset
Initialize
CRP
Enabled?
WatchDog
Flag Set?
Enter ISP
Mode?
(P0.14 LOW?)
* Code Read Protection

Figure 49: Boot Process flowchart (Bootloader revisions 1.61 and later)

Flash Memory System and Programming
*
No
Enable Debug
Yes
Yes
No
External?
No
Yes
Enabled?
Run Auto-Baud
No
Auto-Baud
Successful?
Receive crystal
frequency
Run ISP Command
Boot No
Yes
No
*
CRP
Yes
Execute External
User code
Yes
Handler
267
Preliminary User Manual
LPC2119/2129/2194/2292/2294
Yes
User Code
Valid?
No
Execute Internal
User code
May 03, 2004