Data Sheet
Table Of Contents
Dimensions and Pinout
FMLR-72-C-STL0Z-(4M)
FMLR-72-U-STL0Z-(4M) and FMLR-72-P-STL0Z-(4M)
#
Pad
Name
MCU
Pad
Description #
Pad
Name
MCU
Pad
Description
1 GND Ground (V
SS
) 21 PB7 PB7 MCU PB7
2 NRST NRST MCU Reset 22 PH2 PH2 MCU PH2
3 PC13 PC13 MCU PC13 23 PH1 PH1 MCU PH1
4 SDA PB9 MCU I2C SDA 24 PC1 PC1 MCU PC1
5 SCL PB8 MCU I2C SCL 25 GND Ground (V
SS
)
6 BOOT0 BOOT0 MCU BOOT0 26 PA8 PA8 MCU PA8
7 U1RX PA10 MCU UART1 RX 27 PB2 PB2 MCU PB2
8 U1TX PA9 MCU UART1 TX 28 SCK PB3 MCU SPI SCLK
4
9 SWCLK PA14 MCU Debug CLK 29 MISO PB4 MCU SPI MISO
4
10 SWDIO PA13 MCU Debug Data 30 MOSI PB5 MCU SPI MOSI
4
11 USBP PA12 MCU USB Data Positive (L073) 31 PA5 PA5 MCU SPI CSS
12 USBN PA11 MCU USB Data Negative (L073) 32 U2RX PA3 MCU UART2 RX
13 VIN Supply Voltage 33 U2TX PA2 MCU UART2 TX
14 PC7 PC7 MCU PC7 34 PA1 PA1 MCU PA1
15 PC6 PC6 MCU PC6 35 PA0 PA0 MCU PA0
16 PC10 PC10 MCU PC10 36 PB0 PB0 MCU PB0
17 PC11 PC11 MCU PC11 37 GND Ground (V
SS
)
18 PA15 PA15 MCU PA15 41 GND Ground (V
SS
)
19 PD2 PD2 MCU PD2 42 ANT RF Out (50 Ohms)
20 PC12 PC12 MCU PC12 43 GND Ground (V
SS
)
4
IMPORTANT: If the module variant contains an external flash, these pins are connected internally and should not be used as
GPIO pins!
Contact: Miromico AG - Gallusstrasse 4 - CH-8006 Zürich – Switzerland 5/6
Revision 1.0149
14 mm
GND
NRST
PC13
SDA
SCL
BOOT0
U1RX
U1TX
SWCLK
SWDIO
USBP
USBN
VIN
PC10
PC11
PA15
PD2
PC12
PB7
PH2
PB0
PA0
PA1
U2TX
U2RX
PA5
MISO
SCK
PB2
PA8
GND
MOSI
PC7
PC6
PH1
PC11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
36
35
34
33
32
31
30
29
28
27
26
25
24
15
16
17
18
19
20
21
22
23
22.75 mm
14 mm
1
9
.
5
m
m
GND
NRST
PC13
SDA
SCL
BOOT0
U1RX
U1TX
SWCLK
SWDIO
USBP
USBN
VIN
PC10
PC11
PA15
PD2
PC12
PB7
PH2
GND
PB0
PA0
PA1
U2TX
U2RX
PA5
MISO
SCK
PB2
PA8
GND
GND
ANT
GND
MOSI
PC7
PC6
PH1
PC11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
37
36
35
34
33
32
31
30
29
28
27
26
25
24
15
16
17
18
19
20
21
22
23
43
42
41