STM32L151RDT6 Datasheet, PDF (37/140 Pages) STMicroelectronics – Ultra-low-power 32-bit MCU ARM-based Cortex-M3, 384KB Flash, 48KB SRAM, 12KB EEPROM, LCD, USB, ADC, DAC, memory I/F

STM32L151xD STM32L152xD
Pin descriptions
Table 9. STM32L15xxD pin definitions
Pins
Pin name
Main
function⁽³⁾
(after reset)
Alternate functions
1 B2 1 - -
PE2
I/O FT
2 A1 2 - -
PE3
I/O FT
3 B1 3 - -
PE4
I/O FT
4 C2 4 - -
PE5
I/O FT
5 D2 5 - -
PE6-
WKUP3
I/O FT
6 E2 6 1 C6
V_LCD(4)
S
7 C1 7 2 C8 PC13-WKUP2 I/O FT
8
D1
8
3 B8
PC14-
OSC32_IN⁽⁵⁾
I/O
9
E1
9
4
B7
PC15-
OSC32_OUT
I/O
10 D6 - - -
PF0
I/O FT
11 D5 - - -
PF1
I/O FT
12 D4 - - -
PF2
I/O FT
13 E4 - - -
PF3
I/O FT
14 F3 - - -
PF4
I/O FT
15 F4 - - -
PF5
I/O FT
16 F2 10 - -
17 G2 11 - -
18 G3 - - -
V_{SS_5}
V_{DD_5}
PF6
S
S
I/O FT
19 G4 - - -
PF7
I/O FT
20 H4 - - -
PF8
I/O FT
21 J6 - - -
PF9
I/O FT
22 - - - -
PF10
I/O FT
23 F1 12 5 D8 PH0-OSC_IN⁽⁶⁾ I
24
G1
13
6
D7
PH1-
OSC_OUT⁽⁶⁾
O
25 H2 14 7 C7
NRST
I/O
26 H1 15 8 E8
PC0
I/O FT
27 J2 16 9 F8
PC1
I/O FT
PE2
PE3
PE4
PE5
PE6
V_LCD
PC13
PC14
PC15
PF0
PF1
PF2
PF3
PF4
PF5
V_{SS_5}
V_{DD_5}
PF6
PF7
PF8
PF9
PF10
PH0
PH1
NRST
PC0
PC1
28 - 17 10 D6
PC2
I/O FT PC2
- J3 - - -
PC2
I/O FT PC2
- K1 - - - OPAMP3_VINM I
OPAMP3
_VINM
TIM3_ETR/LCD_SEG38/FSMC_A23/TRACECLK
TIM3_CH1/LCD_SEG39/FSMC_A19/TRACED0
TIM3_CH2/FSMC_A20/TRACED1
TIM9_CH1/FSMC_A21/TRACED2
WKUP3/RTC_TAMP3/TIM9_CH2/TRACED3
WKUP2/RTC_TAMP1/RTC_TS/RTC_OUT
OSC32_IN
OSC32_OUT
FSMC_A0
FSMC_A1
FSMC_A2
FSMC_A3
FSMC_A4
FSMC_A5
TIM5_CH1/TIM5_ETR/ADC_IN27
TIM5_CH2/ADC_IN28/COMP1_INP
TIM5_CH3/ADC_IN29/COMP1_INP
TIM5_CH4/ADC_IN30/COMP1_INP
ADC_IN30/COMP1_INP
OSC_IN
OSC_OUT
LCD_SEG18/ADC_IN10/COMP1_INP
LCD_SEG19/ADC_IN11/COMP1_INP
/OPAMP3_VINP
LCD_SEG20/ADC_IN12/COMP1_INP
/OPAMP3_VINM
LCD_SEG20/ADC_IN12/COMP1_INP
Doc ID 022027 Rev 6
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