Data Sheet
Part number:WG7837-V1
Model name :WG7837-V0
____________________________________________________________________________________
Copyright © JORJIN TECHNOLOGIES INC. 2021 35
http://www.jorjin.com.tw
CONFIDENTIAL
8. REFERENCE SCHEMATICS
Figure 8-2 Module Reference Schematic
Table 8-1. Bill of Materials
DESCRIPTION PART NO. PACKAGE REFERENCE
QTY
MFR
XOSC 3225/32.768 kHz/1.8 V/±50 ppm 7XZ3200005 3.2 × 2.5 × 1.0 mm OSC1 1 TXC
ANT/Chip/2.4 GHz and 5 GHz(1) W3006 10.0 × 3.2 × 1.5 mm ANT1, ANT2 2 Pulse
Mini-RF header receptacle U.FL-R-SMT-1 (10) 3.0 × 2.6 × 1.25 mm J5, J6 2 Hirose
Inductor 0402/1.3 nH/±0.1 nH/SMD LQP15MN1N3B02 0402 L1 1 Murata
Inductor 0402/1.8 nH/±0.1 nH/SMD LQP15MN1N8B02 0402 L3 1 Murata
Inductor 0402/2.2 nH/±0.1 nH/SMD LQP15MN2N2B02 0402 L4 1 Murata
Capacitor 0402/1 pF/50 V/C0G/±0.1 pF GJM1555C1H1R0BB01 0402 C13 1 Murata
Capacitor 0402/2.4 pF/50 V/C0G/±0.1 pF GJM1555C1H2R4BB01 0402 C14 1 Murata
Capacitor 0402/0.1 µF/10 V/X7R/±10% 0402B104K100CT 0402 C3 1 Walsin
Capacitor 0402/1 µF/6.3 V/X5R/±10%/HF GRM155R60J105KE19D 0402 C1 1 Murata
Capacitor 0603/10 µF/6.3 V/X5R/±20% C1608X5R0J106M 0603 C2 1 TDK
Resistor 0402/0R/±5% WR04X000 PTL 0402 R1, R3 2 Walsin
For Debug only
R13
NU
RES1005
C3
0.1uF
0402
C2
10uF
0603
VBAT_IN
C1
1uF
0402
R3
0R
0402
R4
NU_0R
0402
R1
0R
0402
R2
NU_0R
0402
Connect to Host BT PCM Bus.
Connect to Host HCI Interface.
U1
WG7837-V1A
E-13.4X13.3-N100_0.75-TOP
GND
17
VIO
38
VBAT
47
EXT_32K
36
BT_AUD_FSY NC
58
BT_AUD_IN
56
BT_AUD_OUT
57
BT_AUD_CLK
60
WL_SDI O_D2
12
WL_SDI O_CLK
8
WL_SDI O_D3
13
WL_SDI O_D0
10
WL_SDI O_D1
11
WL_SDI O_CMD
6
BT_HCI _RTS
50
BT_HCI _RX
53
BT_HCI _TX
52
BT_HCI _CTS
51
GND
16
GPIO_4
25
GPIO_2
26
GPIO_1
27
BT_EN_SOC
41
WLAN_I RQ
14
WLAN_EN_SOC
40
BT_UAR T_D BG
43
WL_UAR T_DB G
42
GND
G13
GND
G14
GND
G15
GND
G16
GND
G9
GND
G10
GND
48
GND
G11
GND
G12
VBAT
46
GND
28
GND
G1
GND
G2
GND
G3
GND
G4
GND
G5
GND
G6
GND
G7
GND
G8
RF _ANT1
32
RESERVED
64
GND
1
GND
20
RESERVED 1
21
RESERVED 2
22
GND
37
GND
19
RESERVED 3
62
GND
G17
GND
G18
GND
G19
GND
G20
GND
G21
GND
G22
GND
G23
GND
G24
GND
G25
GND
G26
GND
G27
GND
G28
GND
G29
GND
G30
GND
G31
GND
G32
GND
G33
GND
G34
GND
G35
GND
23
GND
59
GND
34
GND
29
GND
7
RF _ANT2
18
GND
49
GND
9
GND
31
GND
35
GND
15
GND
55
GND
45
GND
44
GND
30
GND
24
GND
63
GND
61
GND
39
GND
33
GND
54
GND
G36
GPIO11
2
GPIO9
3
GPIO10
4
GPIO12
5
TP2TP1
Connect to Host SDIO Interface.
J6
U.F L-R-SMT(10)
U.F L
1
2
3
TP6
TP7
For Debug only
J5
U.F L-R-SMT(10)
U.F L
1
2
3
For Debug only
ANT2 - WL_2.4_IO1/WL_5GHz
ANT1 - WL_2.4_IO2/BT/WL_5GHz
VIO_IN
For Debug only
For Debug only
TP5
TP4
VIO_IN
TP3
TP8
C13
1pF
0402
WL_SDI O_D2_1V8
WL_SDI O_CLK_1V8
WL_SDI O_D3_1V8
WL_IRQ_1V8
WL_SDI O_CMD_1V8
WL_SDI O_D0_1V8
WL_SDI O_D1_1V8
EXT_32K
BT_AUD_CLK
BT_HCI _CTS_1V8
BT_HCI_R TS_1V8
BT_AUD_FSY NC
BT_AUD_OUT
BT_AUD_IN
L4
2.2nH
0402
WL_R S232_RX_1V8
WL_R S232_TX_1V8
BT_HCI _TX_1V8
L3
1.8nH
0402
ANT1
W3006
ANT-10.0X3.2MM_B
FEED
1
NC
2
C14
2.4pF
0402
BT_HCI _RX_1V8
WLAN _EN
BT_EN
WLAN/BT Enable Control.
Connect to Host GPIO.
L2
NU
0402
L1
1.3nH
0402
ANT2
W3006
ANT-10.0X3.2MM_A
FEED
1
NC
2
R14
0R
0402
TP10TP11TP12TP13
External TCXO option.