MEDIATEK LinkIt 2523 HDK v11, Руководство пользователя

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LinkIt 2523 HDK v11 User's Guide
© 2015 - 2016 MediaTek Inc. Page 58 of 82
This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s).
Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.
Figure 37. MEMORY_SD Card
R5012
R / 0 / ohm / 0402 / NC
1 2
R5013
R / 0 / ohm / 0402 / NC
1 2
AVDD13_BTRF
R5005
R / 0 / ohm / 0402 / NC
1 2
AVDD_BTRF_ext
J5004 connected to VIO18 for external buck LDO cost reduction
Note 50-6: J5002 connected to VBT for dual mode of Bluetooth and BLE modes
Note 50-7: SMA 5001 SMA5002 are optional components
J5005 connected to AVDD_BTRF_ext for power saving
J5002 connected to VIO18 for BLE mode
J5004 connected to VBT for dual mode of Bluetooth and BLE modes
BT_ANT
R5010
R / 0 / ohm / 0402
1 2
R5011
R / 0 / ohm / 0402 / NC
1 2
BT_ANT
Note: 50-6
Note: 50-7
Note: 50-7
Title
Size
Date: Sheet of
MediaTek HDK MT2523G
50_CONNECTIVITY_BT_MT2523G
C
50 99 Thursday , March 31, 2016
26MHz crystal
XTAL2
XTAL1
XTAL2
XTAL1
R5002, C5003 and C5004 are reserved for BT antenna matching tuning
Note 50-1:
Schematic design notice of "50_CONNECTIVITY_BT_MT2523G" page.
Note 50-2: 26MHz crystal must be placed near by Larkspur ball out position
These capacitors should be placed near by ball out position
Note 50-3:
Note: 50-4
Note: 50-5
Note: 50-2
R5007
R / 0 / ohm / 0402
1 2
R5009
R / 0 / ohm / 0402 / NC
1
2
C
50
02
C
/
1
00
/
nF
/
0
402
2
1
TP5002
NC
1
BT
26
M
&
CL
K
B
U
FFE
R
MT2523 BT
PO
W
ER
IN
U1000-3
MT2523G
XTAL1
A9
XTAL2
A10
FREF
C8
BT_LNA
A12
AVDD13_BTRF
A13
EXT_CLK_SEL
A11
AVSS_
BT
C
11
AVSS_
BT
B
12
AVDD_VBT
A14
AVSS_
BT
C
12
AVSS_
BT
D
12
AVSS_
BT
E
12
DUMMY
_NE
T
A1
DUMMY
_NE
T
A
22
DUMMY
_NE
T
P1
DUMMY
_NE
T
P
22
DUMMY
_NE
T
P5
SMA5001
SMA-1.66MM
1
2 3 4 5
C5006
C / 18 / pF / 0402
2 1
R5002
R / 0 / ohm / 0402
1 2
C5005
C / 18 / pF / 0402
2 1
C5003
C / NC / 0402
2
1
R5003
R / 0 / ohm / 0402
1 2
TP5001
NC
1
C
50
01
C
/
2
.2
/
pF
/
0
40
2
2
1
C5004
C / NC / 0402
2
1
ANT5002
ANT sprint
F
ee
d
1
R5006
R / 0 / ohm / 0402
1 2
J5002
R / 0 / ohm / 0402-3P(1-2)
1
2
3
J5001
R / 0 / ohm / 0402-3P(1-2)
1
2
3
L5002
NC
1
2
J5004
R / 0 / ohm / 0402-3P(1-2)
1
2
3
C5008
C / NC / 0402
2
1
DIPX5001
DP1608-V1524CA
DIPLEXER/6P/SMD/DP1608
WiFi
1
GND
2
GPS
3
GND
4
ANT
5
GND
6
ANT5001
ANT sprint
F
ee
d
1
J5003
R / 0 / ohm / 0402-3P(1-2)
1
2
3
X5001
X / 26 / MHz / 8Q26000008
Hot2
1
GND
2
HOT
3
NC
4
L5001
NC
1
2
SMA5002
SMA-1.66MM
1
2 3 4 5
C5007
C / NC / 0402
2
1
VIO18
The impedence of traces about diplexer should be 50 ohm Note 50-5:
Note 50-4: J5001 should keep low for clock is generated by crystal;
VBT
VIO18
VBT
VIO18
CLK_SEL
50 Ohm impedence
50 Ohm impedence
50 Ohm impedence
50 Ohm impedence
GPS_diplexer_input [52]
TP5003
C5009
C / 3.6 / pF / 0402 / GJM1555C1H3R6WB01D
2
1
L5003
L / 6.8 / nH / LQG15HS6N8H02D
1 2
J5006 is set for single Bluetooth performance measurement.
Pull high if clock signal is injected from net XTAL1.
AVDD_VBT
Note: 50-1
50 Ohm impedence