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STM32L152ZDT6

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

componentembedded processors & controllersstm32l152zdt6factory-2.0.0extractor-text
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STM32L152ZDT6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)

STM32L152ZDT6 from STMicroelectronics, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PE2 bidirectional Port E bit 2, 5V-tolerant I/O with timer event, LCD segment, trace clock, and memory address functions.
2 PE3 bidirectional Port E bit 3, 5V-tolerant I/O with timer capture, LCD segment, trace data, and memory address functions.
3 PE4 bidirectional Port E bit 4, 5V-tolerant I/O with timer capture and memory address functions.
4 PE5 bidirectional Port E bit 5, 5V-tolerant I/O with timer capture and trace data functions.
5 PE6-WKUP3 bidirectional Port E bit 6, 5V-tolerant I/O with timer capture, trace data, wakeup, and RTC tamper functions.
6 VLCD power_in LCD power supply pin (STM32L152xD devices only); connect to VDD or external LCD voltage supply.
7 PC13-WKUP2 bidirectional Port C bit 13, 5V-tolerant I/O with wakeup, RTC tamper, timestamp, and output functions.
8 PC14-OSC32_IN bidirectional Port C bit 14, 3.3V I/O serving as 32 kHz oscillator input when LSE enabled, GPIO when disabled.
9 PC15-OSC32_OUT bidirectional Port C bit 15, 3.3V I/O serving as 32 kHz oscillator output when LSE enabled, GPIO when disabled.
10 PF0 bidirectional Port F bit 0, 5V-tolerant I/O with memory address bit 0 function.
11 PF1 bidirectional Port F bit 1, 5V-tolerant I/O with memory address bit 1 function.
12 PF2 bidirectional Port F bit 2, 5V-tolerant I/O with memory address bit 2 function.
13 PF3 bidirectional Port F bit 3, 5V-tolerant I/O with memory address bit 3 function.
14 PF4 bidirectional Port F bit 4, 5V-tolerant I/O with memory address bit 4 function.
15 PF5 bidirectional Port F bit 5, 5V-tolerant I/O with memory address bit 5 function.
16 VSS_5 power_in Ground reference pin for memory interface block.
17 VDD_5 power_in Supply voltage pin for memory interface block, 1.8V to 3.6V.
18 PF6 bidirectional Port F bit 6, 5V-tolerant I/O with timer capture/compare and ADC input functions.
19 PF7 bidirectional Port F bit 7, 5V-tolerant I/O with timer capture/compare, ADC input, and comparator functions.
20 PF8 bidirectional Port F bit 8, 5V-tolerant I/O with timer capture/compare, ADC input, and comparator functions.
21 PF9 bidirectional Port F bit 9, 5V-tolerant I/O with timer capture/compare, ADC input, and comparator functions.
22 PF10 bidirectional Port F bit 10, 5V-tolerant I/O with ADC input and comparator functions.
23 PH0-OSC_IN bidirectional Port H bit 0, 3.3V I/O serving as HSE oscillator input when HSE enabled, GPIO when disabled.
24 PH1-OSC_OUT bidirectional Port H bit 1, 3.3V I/O serving as HSE oscillator output when HSE enabled, GPIO when disabled.
25 NRST bidirectional Reset input pin with embedded weak pull-up resistor; low triggers system reset.
26 PC0 bidirectional Port C bit 0, 5V-tolerant I/O with LCD segment, ADC input, and comparator functions.
27 PC1 bidirectional Port C bit 1, 5V-tolerant I/O with LCD segment, ADC input, comparator, and op-amp functions.
28 PC2 bidirectional Port C bit 2, 5V-tolerant I/O with LCD segment, ADC input, comparator, and op-amp functions.
29 PC3 bidirectional Port C bit 3, 3.3V I/O with LCD segment, ADC input, comparator, and op-amp output functions.
30 VSSA power_in Analog ground reference pin; connect to ground.
31 VREF- power_in Negative reference voltage pin for ADC; typically connected to VSSA.
32 VREF+ power_in Positive reference voltage pin for ADC; 1.8V to 3.6V or connected to VDDA.
33 VDDA power_in Analog supply voltage pin, 1.8V to 3.6V; decoupling recommended.
34 PA0-WKUP1 bidirectional Port A bit 0, 5V-tolerant I/O with timer, USART, wakeup, RTC, ADC, and comparator functions.
35 PA1 bidirectional Port A bit 1, 5V-tolerant I/O with timer, USART, LCD, ADC, and op-amp functions.
36 PA2 bidirectional Port A bit 2, 5V-tolerant I/O with timer, USART, LCD, ADC, and op-amp functions.
37 PA3 bidirectional Port A bit 3, 3.3V I/O with timer, USART, LCD, ADC, and op-amp output functions.
38 VSS_4 power_in Ground reference pin for analog/GPIO block.
39 VDD_4 power_in Supply voltage pin for analog/GPIO block, 1.8V to 3.6V.
40 PA4 bidirectional Port A bit 4, 3.3V I/O with SPI, USB audio interface, USART, DAC, and comparator functions.
41 PA5 bidirectional Port A bit 5, 3.3V I/O with timer, SPI clock, DAC, and comparator functions.
42 PA6 bidirectional Port A bit 6, 5V-tolerant I/O with timer, SPI, LCD, ADC, and op-amp functions.
43 PA7 bidirectional Port A bit 7, 5V-tolerant I/O with timer, SPI, LCD, ADC, and op-amp functions.
44 PC4 bidirectional Port C bit 4, 5V-tolerant I/O with LCD segment and ADC input functions.
45 PC5 bidirectional Port C bit 5, 5V-tolerant I/O with LCD segment and ADC input functions.
46 PB0 bidirectional Port B bit 0, 3.3V I/O with timer, LCD, ADC, op-amp, and voltage reference functions.
47 PB1 bidirectional Port B bit 1, 5V-tolerant I/O with timer, LCD, ADC, and voltage reference functions.
48 PB2 bidirectional Port B bit 2, 5V-tolerant I/O with BOOT pin function and alternate ADC input.
49 PF11 bidirectional Port F bit 11, 5V-tolerant I/O with alternate ADC input function.
50 PF12 bidirectional Port F bit 12, 5V-tolerant I/O with memory address and ADC input functions.
51 VSS_6 power_in Ground reference pin for GPIO/memory interface block.
52 VDD_6 power_in Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V.
53 PF13 bidirectional Port F bit 13, 5V-tolerant I/O with memory address and ADC input functions.
54 PF14 bidirectional Port F bit 14, 5V-tolerant I/O with memory address and ADC input functions.
55 PF15 bidirectional Port F bit 15, 5V-tolerant I/O with memory address and ADC input functions.
56 PG0 bidirectional Port G bit 0, 5V-tolerant I/O with memory address and ADC input functions.
57 PG1 bidirectional Port G bit 1, 5V-tolerant I/O with memory address and ADC input functions.
58 PE7 bidirectional Port E bit 7, 3.3V I/O with memory data, ADC input, and comparator functions.
59 PE8 bidirectional Port E bit 8, 3.3V I/O with memory data, ADC input, and comparator functions.
60 PE9 bidirectional Port E bit 9, 3.3V I/O with timer event, memory data, and ADC input functions.
61 VSS_7 power_in Ground reference pin for GPIO/memory interface block.
62 VDD_7 power_in Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V.
63 PE10 bidirectional Port E bit 10, 3.3V I/O with timer capture, memory data, and ADC input functions.
64 PE11 bidirectional Port E bit 11, 5V-tolerant I/O with timer capture and memory data functions.
65 PE12 bidirectional Port E bit 12, 5V-tolerant I/O with timer capture, SPI, and memory data functions.
66 PE13 bidirectional Port E bit 13, 5V-tolerant I/O with SPI clock and memory data functions.
67 PE14 bidirectional Port E bit 14, 5V-tolerant I/O with SPI input and memory data functions.
68 PE15 bidirectional Port E bit 15, 5V-tolerant I/O with SPI output and memory data functions.
69 PB10 bidirectional Port B bit 10, 5V-tolerant I/O with timer, I2C clock, USART, and LCD functions.
70 PB11 bidirectional Port B bit 11, 5V-tolerant I/O with timer, I2C data, USART, and LCD functions.
71 VSS_1 power_in Ground reference pin for GPIO/memory interface block.
72 VDD_1 power_in Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V.
73 PB12 bidirectional Port B bit 12, 5V-tolerant I/O with timer, I2C, SPI, USART, LCD, and ADC functions.
74 PB13 bidirectional Port B bit 13, 5V-tolerant I/O with timer, SPI, USART, LCD, and ADC functions.
75 PB14 bidirectional Port B bit 14, 5V-tolerant I/O with timer, SPI, USART, LCD, and ADC functions.
76 PB15 bidirectional Port B bit 15, 5V-tolerant I/O with timer, SPI, LCD, ADC, and RTC functions.
77 PD8 bidirectional Port D bit 8, 5V-tolerant I/O with USART, LCD, and memory data functions.
78 PD9 bidirectional Port D bit 9, 5V-tolerant I/O with USART, LCD, and memory data functions.
79 PD10 bidirectional Port D bit 10, 5V-tolerant I/O with USART, LCD, and memory data functions.
80 PD11 bidirectional Port D bit 11, 5V-tolerant I/O with USART, LCD, and memory address functions.
81 PD12 bidirectional Port D bit 12, 5V-tolerant I/O with timer, USART, LCD, and memory address functions.
82 PD13 bidirectional Port D bit 13, 5V-tolerant I/O with timer, LCD, and memory address functions.
83 VSS_8 power_in Ground reference pin for GPIO/memory interface block.
84 VDD_8 power_in Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V.
85 PD14 bidirectional Port D bit 14, 5V-tolerant I/O with timer, LCD, and memory data functions.
86 PD15 bidirectional Port D bit 15, 5V-tolerant I/O with timer, LCD, and memory data functions.
87 PG2 bidirectional Port G bit 2, 5V-tolerant I/O with memory address and ADC input functions.
88 PG3 bidirectional Port G bit 3, 5V-tolerant I/O with memory address and ADC input functions.
89 PG4 bidirectional Port G bit 4, 5V-tolerant I/O with memory address and ADC input functions.
90 PG5 bidirectional Port G bit 5, 5V-tolerant I/O with memory address function.
91 PG6 bidirectional Port G bit 6, 5V-tolerant I/O general-purpose pin.
92 PG7 bidirectional Port G bit 7, 5V-tolerant I/O general-purpose pin.
93 PG8 bidirectional Port G bit 8, 5V-tolerant I/O general-purpose pin.
94 VSS_9 power_in Ground reference pin for GPIO/memory interface block.
95 VDD_9 power_in Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V.
96 PC6 bidirectional Port C bit 6, 5V-tolerant I/O with timer, SPI, LCD, and SDIO functions.
97 PC7 bidirectional Port C bit 7, 5V-tolerant I/O with timer, SPI, LCD, and SDIO functions.
98 PC8 bidirectional Port C bit 8, 5V-tolerant I/O with timer, LCD, and SDIO functions.
99 PC9 bidirectional Port C bit 9, 5V-tolerant I/O with timer, LCD, and SDIO functions.
100 PA8 bidirectional Port A bit 8, 5V-tolerant I/O with USART clock, master clock output, and LCD functions.
101 PA9 bidirectional Port A bit 9, 5V-tolerant I/O with USART transmit and LCD functions.
102 PA10 bidirectional Port A bit 10, 5V-tolerant I/O with USART receive and LCD functions.
103 PA11 bidirectional Port A bit 11, 5V-tolerant I/O with USART, SPI, and USB D- functions.
104 PA12 bidirectional Port A bit 12, 5V-tolerant I/O with USART, SPI, and USB D+ functions.
105 PA13 bidirectional Port A bit 13, 5V-tolerant I/O serving as JTAG TMS and serial wire debug data I/O.
106 PH2 bidirectional Port H bit 2, 5V-tolerant I/O with memory address function.
107 VSS_2 power_in Ground reference pin for GPIO/memory interface block.
108 VDD_2 power_in Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V.
109 PA14 bidirectional Port A bit 14, 5V-tolerant I/O serving as JTAG TCK and serial wire debug clock.
110 PA15 bidirectional Port A bit 15, 5V-tolerant I/O with JTAG, timer, SPI, LCD, and memory functions.
111 PC10 bidirectional Port C bit 10, 5V-tolerant I/O with SPI, USART, UART, LCD, and SDIO functions.
112 PC11 bidirectional Port C bit 11, 5V-tolerant I/O with SPI, USART, UART, LCD, and SDIO functions.
113 PC12 bidirectional Port C bit 12, 5V-tolerant I/O with SPI, USART, UART, LCD, and SDIO functions.
114 PD0 bidirectional Port D bit 0, 5V-tolerant I/O with timer, SPI, and memory data functions.
115 PD1 bidirectional Port D bit 1, 5V-tolerant I/O with SPI and memory data functions.
116 PD2 bidirectional Port D bit 2, 5V-tolerant I/O with timer, UART, LCD, and SDIO functions.
117 PD3 bidirectional Port D bit 3, 5V-tolerant I/O with SPI, USART, and memory clock functions.
118 PD4 bidirectional Port D bit 4, 5V-tolerant I/O with SPI, USART, and memory output functions.
119 PD5 bidirectional Port D bit 5, 5V-tolerant I/O with USART transmit and memory write enable functions.
120 VSS_10 power_in Ground reference pin for GPIO/memory interface block.
121 VDD_10 power_in Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V.
122 PD6 bidirectional Port D bit 6, 5V-tolerant I/O with USART receive and memory wait functions.
123 PD7 bidirectional Port D bit 7, 5V-tolerant I/O with timer, USART, and memory chip select functions.
124 PG9 bidirectional Port G bit 9, 5V-tolerant I/O with memory chip select function.
125 PG10 bidirectional Port G bit 10, 5V-tolerant I/O with memory chip select function.
126 PG11 bidirectional Port G bit 11, 5V-tolerant I/O general-purpose pin.
127 PG12 bidirectional Port G bit 12, 5V-tolerant I/O with memory chip select function.
128 PG13 bidirectional Port G bit 13, 5V-tolerant I/O with memory address function.
129 PG14 bidirectional Port G bit 14, 5V-tolerant I/O with memory address function.
130 VSS_11 power_in Ground reference pin for GPIO/memory interface block.
131 VDD_11 power_in Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V.
132 PG15 bidirectional Port G bit 15, 5V-tolerant I/O general-purpose pin.
133 PB3 bidirectional Port B bit 3, 5V-tolerant I/O with JTAG, timer, SPI, LCD, and comparator functions.
134 PB4 bidirectional Port B bit 4, 5V-tolerant I/O with JTAG, timer, SPI, LCD, and comparator functions.
135 PB5 bidirectional Port B bit 5, 5V-tolerant I/O with timer, I2C, SPI, LCD, and comparator functions.
136 PB6 bidirectional Port B bit 6, 5V-tolerant I/O with timer, I2C clock, USART, and comparator functions.
137 PB7 bidirectional Port B bit 7, 5V-tolerant I/O with timer, I2C, USART, memory, and comparator functions.
138 BOOT0 input Boot mode selection pin; high selects bootloader, low selects user program at reset.
139 PB8 bidirectional Port B bit 8, 5V-tolerant I/O with timer, I2C clock, LCD, and SDIO functions.
140 PB9 bidirectional Port B bit 9, 5V-tolerant I/O with timer, I2C data, LCD, and SDIO functions.
141 PE0 bidirectional Port E bit 0, 5V-tolerant I/O with timer, LCD, and memory functions.
142 PE1 bidirectional Port E bit 1, 5V-tolerant I/O with timer, LCD, and memory functions.
143 VSS_3 power_in Ground reference pin for GPIO/core logic block.
144 VDD_3 power_in Supply voltage pin for GPIO/core logic block, 1.8V to 3.6V.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-144(20x20)
Category Embedded Processors & Controllers
Pins 144

CAD (KiCad official)

  • Symbol: STM32L152ZDT6
  • Footprint: Package_QFP:LQFP-144_20x20mm_P0.5mm
  • 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
  • 3D model files: stm32l152zdt6-etched.step / stm32l152zdt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l152zdt6.step / stm32l152zdt6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (155 pp, sha256 92c7b8f244edf6a6, retrieved 2026-10-06, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF