Mcu Stm32L0 Pin Assignment And Jumper Setting - Advantech MIC-715 User Manual

3.2 MCU STM32L0 Pin Assignment and Jumper
Setting
Table 3.1: MCU Pin Assignment
Port Port Type
PA1 GPI
PA2 GPI
PA3 GPI
PA4 GPI
PA6 ADC_IN6
PA7 ADC_IN7
PA9 USART1_TX
PA10 USART1_RX
PA12 GPO
PB1 GPI
PB2 GPI
PB3 GPO
PB4 GPI
PB5 GPO
PB6 GPI
PB7 GPO
PB8 I2C1_SCL
PB9 I2C1_SDA
PB10 I2C2_SCL
PB11 I2C2_SDA
PB12 GPO
Signal Name
IGN_ENABLE
IGN_POLARITY
DCIN_MODE_RANGE0
DCIN_MODE_RANGE1
ADC_12V_24V
ADC_37V_48V
USART1_TX
USART1_RX
MCU_LT4363_SHDN
PG_DCIN#
IGN_SW
EN_B_+V12SB
+V12_SB_D_PG#
PG_PWRBRD
DCIN_M_PANSWIN#
DCIN_MCU_B_PAN-
SWIN#
MCU_I2C1_R_SCL
MCU_I2C1_R_SDA
MCU_I2C2_R_SCL
MCU_I2C2_R_SDA
MCU_INT#
21
Notice
Low: ignition Disable
High: ignition Enable
Low: IGN_SW(PB2)=Low, then
Enable System
High: IGN_SW(PB2)=High, then
Enable System
DCIN_MODE_RANGE[1:0] :
00 => 12V, 01 => 24V, 10 => 37.5V ,
11 => 48V
ADC
ADC
Firmware upgrade
Low: Enable DCIN
High: Disable DCIN
Low: DCIN Power Good
High: DCIN Power not ready
Low: IGN_POLARITY(PA2)=Low ,
then Enable System
High: IGN_POLARITY(PA2)=High ,
then Enable System
Low: Disable +V12SB
High: Enable +V12SB
Low: +V12_SB Power Good
High: +V12_SB Power not ready
Low: MIC-715PB Power not ready
High: MIC-715PB Power Good
Power BTN# input
Power BTN# output
Communication between System and
MCU
Read/Write RTC & EEPROM & G-
SENSOR
Communication between System and
MCU
MIC-715
User Manual