Integration Manual

TSD-19090601 - R15 Contents Page 107 of 143
 All GND pins of the cellular module and the u-blox JODY-W2 Wi-Fi module are connected to ground.
 All the other pins of the u-blox JODY-W2 Wi-Fi module are intended to be not connected.
JODY-W2
Wi-Fi module
SD_D0
54
SD_D1
55
SD_D2
50
SD_D3
51
SD_CLK
53
SD_CMD
52
TOBY-L3 series
cellular module
SDIO_D0
66
SDIO_D1
68
SDIO_D2
63
SDIO_D3
67
SDIO_CLK
64
SDIO_CMD
65
V_INT
5
VBAT
2
1V8
4
VIO
3
R1
LDO regulator
1V8VCC
U1
C2
OUTIN
SENSE
BYP
SHDNn
GND
C4
C6
ANT1
29
ANT0
29
Wi-Fi
antenna
WL_DEV_WAKE
9
GPIO1
21
GND
GND
LTE_COEX_TX
13
TXD2
161
LTE_COEX_RX
14
RXD2
162
LP0_IN
60
CORE_PDN
59
PDN
58
PG
57
R3
R4
VCC
OUT
VDD
ENDENABLE
32K XO Crystal
GPIO7
248
GPIO6
61
WL_HOST_WAKE
10
HOST_SELECT0
26
R2
R5
R6
C1
C3
R7
R8
R9
R10
C5
Figure 40: Application circuit for TOBY-L3 cellular module and u-blox JODY-W2 short range radio communication module
Reference
Description
Part Number - Manufacturer
C1, C3, C5
100 nF Capacitor Ceramic X5R 0402 10% 10V
GRM155R71C104KA01 – Murata
C2
1 µF Capacitor Ceramic X7R 0603 10% 25 V
GRM188R71E105KA12 - Murata
C4
10 nF Capacitor Ceramic X7R 0402 10% 16 V
GRM155R71C103KA01 - Murata
C6
10 µF Capacitor Ceramic X5R 0603 20% 6.3 V
GRM188R60J106ME47 - Murata
R1
470 k Resistor 0402 5% 0.1 W
RK73B1ETTD474J - KOA
R2
22  Resistor 0402 5% 0.1 W
RK73B1ETTP220J - KOA
R3, R5
10 k Resistor 0402 5% 0.1 W
RK73B1ETTP103J - KOA
R4, R6
100 k Resistor 0402 1% 0.1 W
RK73H1ETTP1003F - KOA
R7, R8, R9, R10
1 k Resistor 0402 5% 0.1 W
RC0402JR-071KL - Yageo Phycomp
U1
LDO Linear Regulator 1.8 V 0.3 A
LT1962EMS8-1.8 - Linear Technology
Table 42: Parts for connecting TOBY-L3 cellular modules and u-blox EMMY-W161 short range communication modules
Connection with external SDIO devices
Figure 41 and Table 43 show an application circuit example for connecting the SDIO interface of the TOBY-
L3 series modules to a 1.8 V SDIO device: the SDIO pins of the cellular module are connected to the related