42
Intel
®
PXA27x Processor Developer’s Kit
- User’s Guide
2.3.11
Switches
Note:
The switches on the daughter card are DIP switches, with one of the positions identified by an ON
label. Switch positions are thus indicated as ON or OFF.
describes the functions and settings of the switches on the daughter card. See
the switch locations.
Boldface print
indicates factory default settings.
Caution:
While the power is on, do
not
change the settings of switches marked
†
in
.
2.3.12
LED Indicators
describes the LED indicators on the daughter card. See
Table 9. Switches and Settings, Daughter Card
Switch
Function
SW1.1
JTAG Chain Select
ON
= SW2 setting determines the JTAG Chain
configuration.
OFF
= JTAG Chain is connected to CPLD1
SW1.2
Reserved
SW1.3
Intel
®
MSL Routing:
OFF
= Intel
®
MSL routed to main board Baseband header
SW1.4†
Reserved
Always connect to OFF
SW1.5
Reserved
SW1.6†
Processor Bus Boot width
ON
= 32-bits
OFF
= 16-bits
SW1.7
Reserved
SW1.8†
Processor clock selection
ON
= 13-MHz clock supplied by crystal
OFF
= Use external clock source from CLK_PIO
SW2
ON
= Determines the JTAG Chain Configuration
Table 10. LED Indicators, Daughter Card
Designator Description
Color
D1
nRESET_OUT
Red
D2-5
Power Indicator LEDs controlled by PMIC
Green