
Preliminary Specification Number : SP-1SJ-295
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Preliminary & Confidential
< Specification may be changed by Murata without notice >
Murata Manufacturing Co., Ltd.
35
VDD_USB
Power
STM32L072_VDD_USB
Power supply for MCU USB Interface
36
PA12
I/O
STM32L072_PA12
GPIO mode:PA12(power supply by
VDD_USB)
USB_DP
SPI1_MOSI
USART1_RTS
COMP2_OUT
37
PA11
I/O
STM32L072_PA11
GPIO mode:PA11(power supply by
VDD_USB)
USB_DM
SPI1_MISO
USART1_CST
COMP1_OUT
38
GND
Ground
-
Ground
39
PA10
I/O
STM32L072_PA10
GPIO mode:PA10
USART1_RX
I2C1_SDA
40
PA9
I/O
STM32L072_PA9
GPIO mode:PA9
USART1_TX
I2C1_SCL
I2C3_SMBA
MCO
41
PA8
I/O
STM32L072_PA8
GPIO mode:PA8
MCO
USB_CRS_SYNC
USART1_CK
I2C3_SCL
42
PB10
I/O
STM32L072_PB10
GPIO mode:PB10
LPUART1_TX/LPUART1_RX
SPI2_SCK
I2C2_SCL
43
PB11
I/O
STM32L072_PB11
GPIO mode:PB11
LPUART1_RX/ LPUART1_TX
I2C2_SDA
44
GND
Ground
-
Ground
45~56
GND
Ground
-
Ground
Notes: GPIO pins are to be left OPEN if not used.