User's Manual
TOBY-R2 series - System Integration Manual
UBX-16010572 - R04 Appendix
Page 138 of 147
Appendix
A Migration between TOBY-L2 and TOBY-R2
A.1 Overview
TOBY-L2 and TOBY-R2 series cellular modules have exactly the same TOBY form factor (35.6 x 24.8 mm LGA)
with exactly the same 152-pin layout as described in Figure 72, so that the modules can be alternatively
mounted on a single application board using exactly the same copper mask, solder mask and paste mask.
11
10
7
5
4
2
1
21
19
18
16
15
13
12
29
27
26
24
23
8
6
3
22
20
17
14
28
25
9
65
66
69
71
72
74
75
55
57
58
60
61
63
64
47
49
50
52
53
68
70
73
54
56
59
62
48
51
67
SDIO_CMD
SDIO_D0
GND
VCC
VCC
GND
ANT_DET
SDA
SIM_IO
SIM_RST
GPIO5
GPIO6
SDIO_D2
SDIO_CLK
RSVD
RSVD
I2S_WA
I2S_CLK
I2S_RXD
SDIO_D1
VCC
GND
SCL
SIM_CLK
VSIM
HOST_SELECT1
RSVD
I2S_TXD
SDIO_D3
RI
DSR
RSVD
V_INT
VUSB_DET
GND
RSVD
GPIO1
RSVD
RSVD
TXD
CTS
DTR
DCD
RSVD
USB_D-
HOST_SELECT0
GPIO3
RESET_N
RSVD
RSVD
V_BCKP
GPIO2
PWR_ON
RXD
RTS
USB_D+
GPIO4
RSVD
90
91
9278
77
76
93100
79 80 83 85 86 88 8982 84 8781
GND
RSVD
GND
GND
RSVD
GND
GND
GND
GND
GND
GND
GND
GND
GND
RSVD
ANT2
ANT1
32
31
30
44
45
46
145152
43 42 39 37 36 34 3340 38 3541
GND
RSVD
GND
GND
RSVD
GND
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
99 98 97 96 95 94
106 105 104 103 102 101
108 107
124 123
130 129 128 127 126 125
136 135 134 133 132 131
138 137
144 143 142 141 140 139
151 150 149 148 147 146
114 113 112 111 110 109
120 119 118 117 116 115
122 121
Pin 93-152: GND
TOBY-R2
Top view
11
10
7
5
4
2
1
21
19
18
16
15
13
12
29
27
26
24
23
8
6
3
22
20
17
14
28
25
9
65
66
69
71
72
74
75
55
57
58
60
61
63
64
47
49
50
52
53
68
70
73
54
56
59
62
48
51
67
SDIO_CMD
SDIO_D0
GND
VCC
VCC
GND
ANT_DET
SDA
SIM_IO
SIM_RST
GPIO5
GPIO6
SDIO_D2
SDIO_CLK
RSVD
RSVD
I2S_WA
I2S_CLK
I2S_RXD
SDIO_D1
VCC
GND
SCL
SIM_CLK
VSIM
HOST_SELECT1
RSVD
I2S_TXD
SDIO_D3
RI
DSR
RSVD
V_INT
VUSB_DET
GND
RSVD
GPIO1
RSVD
RSVD
TXD
CTS
DTR
DCD
RSVD
USB_D-
HOST_SELECT0
GPIO3
RESET_N
RSVD
RSVD
V_BCKP
GPIO2
PWR_ON
RXD
RTS
USB_D+
GPIO4
RSVD
90
91
9278
77
76
93100
79 80 83 85 86 88 8982 84 8781
GND
RSVD
GND
GND
RSVD
GND
GND
GND
GND
GND
GND
GND
GND
GND
RSVD
ANT2
ANT1
32
31
30
44
45
46
145152
43 42 39 37 36 34 3340 38 3541
GND
RSVD
GND
GND
RSVD
GND
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
99 98 97 96 95 94
106 105 104 103 102 101
108 107
124 123
130 129 128 127 126 125
136 135 134 133 132 131
138 137
144 143 142 141 140 139
151 150 149 148 147 146
114 113 112 111 110 109
120 119 118 117 116 115
122 121
Pin 93-152: GND
TOBY-L2
Top view
Figure 72: TOBY-L2 and TOBY-R2 series modules pad layout and pin assignment
TOBY modules are also form-factor compatible with the u-blox LISA, SARA and LARA cellular module families:
although TOBY modules, LISA modules (33.2 x 22.4 mm, 76-pin LCC), SARA modules (26.0 x 16.0 mm, 96-pin
LGA) and LARA modules (26.0 x 24.0 mm, 100-pin LGA) each have different form factors, the footprints for the
TOBY, LISA, SARA and LARA modules have been developed to ensure layout compatibility.
With the u-blox “nested design” solution, any TOBY, LISA, SARA or LARA module can be alternatively mounted
on the same space of a single “nested” application board as described in Figure 73. Guidelines in order to
implement a nested application board, description of the u-blox reference nested design and comparison
between TOBY, LISA, SARA and LARA modules are provided in the Nested Design Application Note [28].
LISA cellular module
LARA cellular module
SARA cellular module
Nested application board
TOBY cellular module
Figure 73: TOBY, LISA, SARA, LARA modules’ layout compatibility: all modules are accommodated on the same nested footprint