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Table 11: Details of Test Points
Pin No.
Pin Name
1
GPIO_T2
2
VDD_3V3
3
GPIO_ T2
4
CTS_3V3
5
VREG_L5
6
RXD_3V3
7
GND
8
RTS_3V3
9
GPIO_T1
10
TXD_3V3
3.13. Flashlight
The Smart EVB provides a flashlight LED D202, for testing the module's flashlight interface which
supports flash mode and torch mode. The following figures show a reference circuit design for flashlight
and its location on Smart EVB.
Module
97
FLASH_ EN
90
TORCH _ MODE
Figure 29: Reference Circuit Design for Flashlight Interface
Smart_ EVB_User_Guide
VBAT
R5
C2
0R
1.0uH
5
SW
L1
6
SW
4
VIN
10
ENF
11
ENM
R3
R4
10K
10K
GND
Description
GPIO_68 test point
3.3V power supply of EVB
GPIO_69 test point
3.3V CTS signal
LDO5_1V8 power supply of the module
3.3V RXD signal
Ground
3.3V RTS signal
GPIO_14 test point
3.3V TXD signal
U201
ANODE
VOUT
VOUT
D1
D2
RSETF
RSETM
R2
75K
GND
Smart LTE Module Series
Smart EVB User Guide
D202
Flashlight
C1
R1
20K
GND
35 / 45
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