Extension Connectors; Table 8. Mcu Pin Description Versus Board Function - STMicroelectronics UM1079 User Manual

UM1079
5

Extension connectors

The male headers P1 and P2 can connect the 32L152CDISCOVERY to a standard
prototyping/wrapping board. The STM32L152RCT6 GPIOs are available on these
connectors. P1 and P2 can also be probed by an oscilloscope, a logical analyzer or a
voltmeter.
MCU pin
Main Alternate
function functions
- -
- -
BOOT0 -
NRST -
WKUP1/USART2_
CTS/
PA0 ADC_IN0/TIM2_CH
1_ETR/COMP1_IN
P
USART2_RTS/AD
C_IN1/
PA1
TIM2_CH2/LCD_S
EG0/ COMP1_INP
USART2_TX/ADC_
IN2/
TIM2_CH3/TIM9_C
PA2
H1/
LCD_SEG1/COMP
1_INP
USART2_RX/ADC
_IN3/
TIM2_CH4/TIM9_C
PA3
H2/
LCD_SEG2/COMP
1_INP
SPI1_NSS/USART
2_CK/
PA4
ADC_IN4/DAC_OU
T1/ COMP1_INP

Table 8. MCU pin description versus board function

LQF
Linear
P64 LCD
Touch
pin glass
Sensor
num
- - -
- - -
60 - -
7 - -
14 - -
SEG
15 -
0
SEG
16 -
1
SEG
17 -
2
20 - -
DocID018789 Rev 4
Board function
Push
butt I LED SWD OSC
DD
on
- - -
- - -
- - -
NRS
- - -
WAKE
PA0 -
UP
- - -
- - -
- - -
Measu
- remen -
t
Extension connectors
Pow
Free er
I/O supp
ly
EXT_
- - -
3V
EXT_
- - -
5V
- - - -
- - -
T
- - - -
- - - -
- - - -
- - - -
- - - -
P1 P2
1 -
1
- 6
10 -
15 -
16 -
17 -
18 -
19 -
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