Teseo-Liv3Fl Module Section; Table 3. Teseo-Liv3Fl Details; Figure 6. Teseo-Liv3Fl Circuit - ST X-STM32MP-GNSS1 Getting Started

2.2

Teseo-LIV3FL module section

The Teseo-LIV3FL
low-power tiny GNSS receiver. Within its 9.7 x 10.1 mm tiny size, the Teseo-LIV3FL offers superior accuracy as it
has integrated temperature, compensated crystal oscillator (TCXO), and a reduced time to first fix (TTFF) due to
its dedicated real-time clock (RTC) oscillator.
Order code
Package
Operating Voltage
J R1
S HUNT 2.54 mm.
J R2
S HUNT 2.54 mm.
TES EO-LIV3FL_WAKEUP
TES EO-LIV3FL_RES ET
J 8
con4-s trip-ma le
UM3237 - Rev 1
module is based on the TESEO III single-die standalone positioning receiver IC, which is a
Table 3.
Features
Figure 6.
J 6
1
TES EO-LIV3FL_UART_TX
2
3 CON_TX
HEADER1X3
J 7
1
TES EO-LIV3FL_UART_RX
2
3 CON_RX
HEADER1X3 TP 5
3V3
TES EO-LIV3FL_P P S
S W2 R25
I2C_S DA
R26
I2C_S CL
R28
R29
C8 C9
S W1 NM NM
100nF 100nF
3V3
1
2 CON_RX
3 CON_TX
C10
4
100nF
Teseo-LIV3FL details
Teseo-LIV3FL
LCC-18
1.75 to 4.2 V
TESEO-LIV3FL Circuit
U2
2 11
UART-TX RF_IN
3 13
UART-RX AntOFF
18 15
RES 2 RES 1
4 14
P P S VCC_RF
10
GND_RF1
16 12
0
I2C_S DA GND_RF2
0 17
I2C_S CL
8
VCC
4.7K 5
WAKEUP
7
VCC_IO
9
0
nRES ET
6
VBAT
1
GND
LIV3FL
3V3
VBATT
D1
R30 100
S TP S 0530Z B1
1 C11
+
2
1uF
-
MS 920S E
NM
UM3237
Teseo-LIV3FL module section
Description
TP 4
RF_IN
ANTOFF
VCC_RF
R24
10k
R27 0
C6 C7
VBATT
100nF 100nF
3V3
TP 6
TP 7
page 6/30
3V3