27150 Parallax Inc, 27150 Datasheet - Page 5
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27150
Manufacturer Part Number
27150
Description
Microcontroller Modules & Accessories P8X32A-Q44 SchmartBoard
Manufacturer
Parallax Inc
Datasheet
1.27150.pdf
(10 pages)
Specifications of 27150
Product
Microcontroller Modules
Core Processor
P8X32A-Q44
Clock Speed
80 MHz
Interface Type
USB
Operating Supply Voltage
6 V to 9 V
Board Size
50.6 mm x 50.6 mm x 14.45 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Step 7: Following the schematic, you can
identify each part placement on the board; for
example, C4 is a 1 µF capacitor and R3 is a 10
kΩ resistor. You may notice that there are 2
components for many of the connections; this
R3 pad for 10 kΩ
is because there are two styles of components
through-hole resistor
for this kit.
Do not connect both the surface mount
and through-hole components for a
given location, as that will alter the
operation of the whole unit.
R3 pad for 10 kΩ
A good rule when soldering is start from the
surface mount resistor
inside and work out, so I am starting wit the 5
MHz crystal and work clock-wise, leaving the
header pieces for last.
Step 8: The next components to put on will
be the capacitors and regulators.
C1 - 10 µF capacitor
C4 - 1 µF capacitor
U3 - 5 V regulator
U4 - 3.3 V regulator
The regulator with “117-5” etched on it is the
5 volt regulator and should be soldered on
U3.
Step 9: Continue soldering on the following
components.
C3 - 10 µF capacitor
C2 - 10 µF capacitor
R1 - 470 Ω resistor
D1 - Red LED
J3 - 2-pin jumper
J1 - power jack
Copyright © Parallax Inc.
P8X32A-Q44 SchmartBoard (#27150)
v1.2 9/10/2009 Page 5 of 9