Freescale Freedom Development Board FRDM-CR20A User’s Guide, Rev. 0, 04/2015
20
Freescale Semiconductor, Inc.
PCB manufacturing specifications
NOTES
•
FRDM-CR20A includes neither J5 (the SMA connector) nor the
external antenna.
•
For external measurements and/or external antenna usage, J5 should be
installed and soldered in place.
•
A 50 ohm SMA jack connector is required; recommended part number
142-0701-851 from Emerson/Johnson.
•
For an external antenna, the screw terminal 2.4 GHz antenna, part
number B4844-01 from Antenova is recommended.
•
Other external components can be found via suppliers/distributors such
as Mouser, Digikey, Newark, etc.
5
PCB manufacturing specifications
This section provides the specifications used to manufacture the FRDM-CR20A development printed
circuit board (PCB) described in this guide.
The FRDM-CR20A development platform PCBs must comply with the following:
•
The PCB must comply with Perfag1D/3C (
www.perfag.dk/en/
)
35
18
TP1,TP2,T
P3,TP4,TP
5,TP6,TP7,
TP8,TP9,T
P10,TP11,
TP12,TP13
,TP15,TP1
6,TP17,TP
26,TP27
TPAD_040
TEST POINT PAD 40MIL DIA SMT,
NO PART TO ORDER
NOTACOMPONENT
NOTACOMPONENT
36
3
TP18,TP19
,TP20
TPAD_030
TEST POINT PAD 30MIL DIA SMT,
NO PART TO ORDER
NOTACOMPONENT
NOTACOMPONENT
37
5
TP21,TP22
,TP23,TP2
4,TP25
DNP
TEST
POINT
WHITE
TEST POINT WHITE 40 MIL
DRILL 180 MIL TH 109L
KEYSTONE
ELECTRONICS
5002
38
1
U1
MCR20A
IC XCVR 2.4GHZ 250KBPS
O-QPSK 1.8-3.6V MAPLGA41
FREESCALE
SEMICONDUCTOR
MCR20AVHM
39
1
U2
TXB0108
IC VXLTR 8BIT BIDIR 15KV ESD
1.2-3.6V/1.65-5.5V TSSOP20
TEXAS
INSTRUMENTS
TXB0108PWR
40
1
Y1
32MHZ
XTAL 32MHZ 9PF -- SMT
3.2X2.5MM
NDK
EXS00A-CS02368
41
1
Z1
2400MHz
50OHM
XFMR BALUN 2400 +/-100MHZ
SMT
MURATA
LDB212G4005C-001
Table 5. Bill of materials (Common parts for all frequency bands) (Sheet 3 of 3)
Item
Qty Reference
Value
Description
Mfg. Name
Mfg. Part Number
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