User's Manual

TOBY-R2 series - System Integration Manual
UBX-16010572 - R04 Appendix
Page 142 of 147
A.3 Schematic for TOBY-L2 and TOBY-R2 integration
Figure 75 shows an example schematic diagram where a TOBY-L2 series module or a TOBY-R2 series module
(“00”, “01”, “02”, “60”, or “62” product versions) can be integrated into the same application board, using all
the available interfaces and functions of the module. The different mounting options for the external parts are
highlighted in different colors as described in the legend, according to the interfaces supported by the different
module product versions.
3V8
GND
330uF
100nF 10nF
71 VCC
72 VCC
70 VCC
3 V_BCKP
23 RESET_N
Application
Processor
Open
Drain
Output
20 PWR_ON
Open
Drain
Output
68pF
TP
TP
15pF 8.2pF
+
100uF
+
GND
RTC
back-up
16 TXD
17 RXD
12 DCD
14 RTS
15 CTS
13 DTR
10 DSR
11 RI
TP
TP
TP
TP
TP
TP
TP
TP
TXD
RXD
DCD
RTS
CTS
DTR
DSR
RI
1.8 V DTE
GND GND
USB 2.0 Host
D-
D+
27 USB_D-
28 USB_D+
VBUS 4 VUSB_DET
TP
TP
GND GND
0Ω
0Ω
0Ω
0Ω
0Ω
0Ω
0Ω
26 HOST_SELECT0
62 HOST_SELECT1
RSVD
RSVD
6
RSVD
19
TP
21GPIO1
Wi-Fi enable
ELLA-W131
Wi-Fi Module
ANT1 29
ANT2 26
BPF
LDO Regulator
3V8
OUTIN VIO5
1V86
LDO Regulator
3V3
3V8
OUTIN
GNDSHDNn
3V34
1V8
OUTIN
GNDSHDNn
V_INT
470k
65SDIO_CMD
66SDIO_D0
68
SDIO_D1
63SDIO_D2
67
SDIO_D3
64
SDIO_CLK
22Ω
22Ω
22Ω
22Ω
22Ω
22Ω
SD_D015
SD_D1
16
SD_D211
SD_D312
SD_CLK14
SD_CMD13
GND
PDn9
RESETn10
SLEEP_CLK19
CFG20
GND
47k
Wi-Fi
Antenna
3V8
WWAN
Indicator
0Ω
0Ω
0Ω
TOBY-L2 series (’00’, ‘01’, ’02’, ‘60’, ‘62’ versions)
TOBY-R2 series (’02’ product versions)
47pF
SIM Card Holder
CCVCC (C1)
CCVPP (C6)
CCIO (C7)
CCCLK (C3)
CCRST (C2)
GND (C5)
47pF 47pF 100nF
59VSIM
57SIM_IO
56SIM_CLK
58SIM_RST
47pF
SW1
SW2
5V_INT
60GPIO5
470k
ESD ESD ESD ESD ESD ESD
1k
TP
V_INT
V_INT
BCLK
LRCLK
Audio Codec
MAX9860
SDIN
SDOUT
52I2S_CLK
50I2S_WA
51I2S_TXD
53I2S_RXD
61GPIO6 MCLK
10µF1µF100nF
VDD
SPK
OUTP
OUTN
MIC
MICBIAS
1µF
MICLN
MICLP
MICGND
EMI
EMI
EMI
EMI
1µF
2.2k
1µF
2.2k
ESD ESD
10nF10nF 27pF27pF
10nF
ESD ESD
27pF27pF10nF
87ANT2
75ANT_DET
10k
Connector
27pF
ESD
Secondary
Cellular
Antenna
33pF
82nH
82nH
81
Connector
Primary
Cellular
Antenna
33pF
ANT1
LEGEND
TOBY-L2xx-00
TOBY-L2xx-01
TOBY-L2xx-60
Mount for
TOBY-L2xx-xx
TOBY-R2xx-xx
Mount for
TOBY-L2xx-01
TOBY-L2xx-x2
TOBY-L2xx-60
TOBY-R2xx-xx
Mount for
Mount for TOBY-R2xx-xx
Mount for TOBY-L2xx-x2
Mount for
0Ω for
TOBY-L2xx-00
TOBY-L2xx-01
TOBY-L2xx-60
22
GPIO2
24
GPIO3
25
GPIO4
3V8
Network
Indicator
SDA
SCL
55
54
SDA
SCL
IRQn
10k
V_INT
4.7k
4.7k
RSVD
18
TP
TP
0Ω
Mount for modules
supporting 2G
Mount for modules
supporting LTE Band-7
TOBY-L2xx-x2
TOBY-R2xx-xx
Figure 75: Example of complete schematic diagram to integrate TOBY-L2 modules and TOBY-R2 modules (“00”, “01”, “02”, “60”,
or “62” product versions) on the same application board, using all the available interfaces / functions of the modules