STM32L151CBU6 STMicroelectronics, STM32L151CBU6 Datasheet - Page 33

• Manufacturer Part Number: STM32L151CBU6
• Description: IC MCU 32BIT 128KB FLASH 48QFPN
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32L151CBU6

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 16x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-UFQFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11484

STM32L151xx, STM32L152xx
Table 4.
73 -
74 47 D5 F11 35
75 48 E5 G11 36
76 49 A7 A10 37
77 50 A6 A9
78 51 B7 B11
79 52 B6 C10
80 53 C5 B10
81 -
82 -
83 54 B5 C8
84 -
85 -
86 -
87 -
88 -
89 55 A5 A8
90 56 A4 A7
91 57 C4 C5
92 58 D3 B5
93 59 C3 B4
94 60 B4 A4
95 61 B3 A3
96 62 A3 B3
97 -
Pins
- C11
-
-
-
-
-
-
-
-
C9
B9
B8
B7
A6
B6
A5
C3
STM32L15xxx pin definitions (continued)
38
39
40
41
42
43
44
45
46
-
-
-
-
-
-
-
-
-
-
-
-
Pin name
BOOT0
V
V
PC10
PC11
PC12
PA14
PA15
PH2
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PE0
SS_2
DD_2
I/O FT
I/O FT JTCK/SWCLK
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
S
S
I
(after reset)
function
Doc ID 17659 Rev 4
JNTRST
BOOT0
V
V
JTDO
PC10
PC11
PC12
Main
JTDI
PH2
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB8
PB9
PE0
PB5
PB6
PB7
DD_2
SS_2
(3)
USART3_RX/LCD_SEG29/LCD_SEG41/LCD_COM5
USART3_CK/LCD_SEG30/LCD_SEG42/LCD_COM6
TIM3_ETR/LCD_SEG31/LCD_SEG43/LCD_COM7
TIM4_CH3/I2C1_SCL / LCD_SEG16/TIM10_CH1
TIM4_CH4/I2C1_SDA/LCD_COM3 / TIM11_CH1
TIM2_CH1_ETR/ PA15/SPI1_NSS/LCD_SEG17
USART3_TX/LCD_SEG28/LCD_SEG40/
/SPI1_MOSI/COMP2_INP/LCD_SEG9
SPI1_MISO/COMP2_INP/LCD_SEG8
TIM4_ETR/LCD_SEG36 /TIM10_CH1
SPI1_SCK/COMP2_INM/LCD_SEG7
TIM2_CH2 / PB3/TRACESWO
USART2_CTS/SPI2_MISO
USART2_RTS/SPI2_MOSI
USART2_CK/TIM9_CH2
I2C1_SMBAl/TIM3_CH2
I2C1_SCL/TIM4_CH1/
I2C1_SDA/TIM4_CH2/
SPI2_NSS/TIM9_CH1
USART1_RX/PVD_IN
Alternate functions
TIM3_CH1/ PB4/
USART2_RX
USART2_TX
USART1_TX
I2C2_SMBA
LCD_COM4
SPI2_SCK
PA14
Pin descriptions
33/107