Datasheet

Propeller™ P8X32A Datasheet www.parallax.com
Copyright © Parallax Inc. Page 30 of 37 Rev 1.1 9/12/2008
9.6. Current Profile at Various Startup Conditions
The diagrams below show the current profile for various startup conditions of the Propeller chip dependent upon the presence
of an EEPROM and PC.
Figure 9
Boot Sequence Current Profile fo
r
no PC and no EEPROM (P31
held low and P29 not connected
(same as held low)).
Figure 10
Boot Sequence Current Profile fo
r
PC (connected but idle) and no
EEPROM. (P31 held high an
d
P29 not connected).
Figure 11
Boot Sequence Current Profile fo
r
no PC and no EEPROM (P31
held low and P29 held high).
Figure 12
Boot Sequence Current Profile fo
r
no PC and EEPROM (P31 hel
d
low and P29 connected to
EEPROM SDA).
Figure 13
Boot Sequence Current Profile fo
r
PC (connected but idle) and
EEPROM (P31 held high and P29
connected to EEPROM SDA).