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Contents

README

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FM33LE016

FUDAN MICRO · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-64(10x10)

FM33LE016 from FUDAN MICRO, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 NRST input Global reset pin; holding it low for more than 60~90us resets the chip (not the debug logic) and exits low-power modes.
2 PA13 bidirectional GPIO with alternate functions UART0_RX, LPUART0_RX, ADC_IN6 and COMP1_INP3.
3 PA14 bidirectional GPIO with alternate functions UART0_TX, LPUART0_TX, ADC_IN7 and COMP1_INP4.
4 PA15 bidirectional GPIO with alternate functions WKUP0 wakeup, SVS external supply detection and ADC_IN10.
5 PA0 bidirectional GPIO with alternate functions LCD COM0 and UART4_RX.
6 PA1 bidirectional GPIO with alternate functions LCD COM1 and UART4_TX.
7 PA2 bidirectional GPIO with alternate functions LCD COM2, UART0_RX and LPUART0_RX.
8 PA3 bidirectional GPIO with alternate functions LCD COM3, UART0_TX and LPUART0_TX.
9 PA4 bidirectional GPIO with alternate functions LCD COM4/SEG28, GPT1_CH3 and COMP2_INN1.
10 PA5 bidirectional GPIO with alternate functions LCD COM5/SEG29, GPT1_CH4 and COMP2_INN2.
11 PA6 bidirectional GPIO with alternate functions LCD COM6/SEG30 and I2CSMB_SCL.
12 PA7 bidirectional GPIO with alternate functions LCD COM7/SEG31 and I2CSMB_SDA.
13 PA8 bidirectional GPIO with alternate functions LCD SEG0, LPT32_CH1, COMP2_INP1 and I2CSMB_ALERT.
14 PA9 bidirectional GPIO with alternate functions LCD SEG1, LPT32_CH2, COMP2_INP2 and ATIM_CH4.
15 PA10 bidirectional GPIO with alternate functions WKUP1 wakeup, LCD SEG2, LPT32_ETR, COMP1_INN1 and ATIM_CH3.
16 PA11 bidirectional GPIO with alternate function I2C clock SCL; a strong-drive true open-drain pin with 20mA sink capability that needs an external pull-up.
17 PA12 bidirectional GPIO with alternate function I2C data SDA; a strong-drive true open-drain pin with 20mA sink capability that needs an external pull-up.
18 PB0 bidirectional GPIO with alternate function UART2_RX.
19 PB1 bidirectional GPIO with alternate function UART2_TX.
20 PB2 bidirectional GPIO with alternate functions WKUP2 wakeup, UART4_RX and ATIM_CH1N.
21 PB3 bidirectional GPIO with alternate functions UART4_TX and ATIM_CH2N.
22 PB4 bidirectional GPIO with alternate functions LCD SEG3 and ATIM_CH1.
23 PB5 bidirectional GPIO with alternate functions LCD SEG4 and ATIM_CH2.
24 PB6 bidirectional GPIO with alternate functions LCD SEG5 and ATIM_CH3.
25 PB7 bidirectional GPIO with alternate functions LCD SEG6 and ATIM_CH4.
26 PB8 bidirectional GPIO with alternate functions LCD SEG7, SPI1_SSN and ATIM_CH3N.
27 PB9 bidirectional GPIO with alternate functions LCD SEG8, ANATST, SPI1_SCK and GPT0_ETR.
28 PB10 bidirectional GPIO with alternate functions LCD SEG9, SPI1_MISO and GPT0_CH1.
29 PB11 bidirectional GPIO with alternate functions LCD SEG10, SPI1_MOSI and GPT0_CH2.
30 PB12 bidirectional GPIO with alternate functions WKUP3 wakeup, FOUT1 clock output and ATIM_ETR.
31 PB13 bidirectional GPIO with alternate functions LCD SEG11, UART1_RX and LPUART1_RX.
32 PB14 bidirectional GPIO with alternate functions LCD SEG12, UART1_TX and LPUART1_TX.
33 VSS power_in Ground.
34 VDD power_in Main power supply, typical operating range 1.8~5.5V.
35 PC0 bidirectional GPIO with alternate functions I2CSMB_SCL and GPT1_CH1.
36 PC1 bidirectional GPIO with alternate functions I2CSMB_SDA and GPT1_CH2.
37 PC2 bidirectional GPIO with alternate functions XTHIN high-frequency crystal input, UART1_RX and LPUART1_RX.
38 PC3 bidirectional GPIO with alternate functions XTHOUT high-frequency crystal output, UART1_TX and LPUART1_TX.
39 PC4 bidirectional GPIO with alternate functions LCD SEG13, I2C SCL and UART5_RX.
40 PC5 bidirectional GPIO with alternate functions LCD SEG14, I2C SDA and UART5_TX.
41 PC6 bidirectional GPIO with alternate functions WKUP4 wakeup, LCD SEG15, GPT1_ETR, I2CSMB_ALERT and ADC_IN11.
42 PC7 bidirectional GPIO with alternate functions LCD SEG16, SPI2_SSN and ADC_IN8.
43 PC8 bidirectional GPIO with alternate functions LCD SEG17, SPI2_SCK and ADC_IN9.
44 PC9 bidirectional GPIO with alternate functions LCD SEG18, SPI2_MISO and ADC_IN0.
45 PC10 bidirectional GPIO with alternate functions WKUP5 wakeup, LCD SEG19, SPI2_MOSI and ADC_IN1.
46 PC11 bidirectional GPIO with alternate functions LCD SEG20, U7816CLK and GPT0_CH3.
47 PC12 bidirectional GPIO with alternate functions LCD SEG21, U7816IO and GPT0_CH4.
48 PD9 bidirectional GPIO with alternate function XT32KO 32768Hz crystal output.
49 PD10 bidirectional GPIO with alternate function XT32KI 32768Hz crystal input.
50 VDD15 power_out LDO output (1.5V core supply) requiring an external 100nF capacitor to ground.
51 VSS power_in Ground.
52 VDD power_in Main power supply, typical operating range 1.8~5.5V.
53 VREFN power_in Analog ground (ADC reference negative).
54 VREFP power_in Analog supply and ADC reference input, allowed range 1.8V ≤ VREFP ≤ VDD.
55 PD11 bidirectional GPIO with alternate functions WKUP6 wakeup, FOUT0 clock output, ATIM_BRK1 and ADC_IN2.
56 PD0 bidirectional GPIO with alternate functions LCD SEG22, UART5_RX and ADC_IN3.
57 PD1 bidirectional GPIO with alternate functions LCD SEG23, UART5_TX and ADC_IN4.
58 PD2 bidirectional GPIO with alternate functions LCD SEG24, SPI1_SSN and ADC_IN5.
59 PD3 bidirectional GPIO with alternate functions LCD SEG25 and SPI1_SCK.
60 PD4 bidirectional GPIO with alternate functions LCD SEG26, SPI1_MISO and COMP1_INP1.
61 PD5 bidirectional GPIO with alternate functions LCD SEG27, SPI1_MOSI and COMP1_INP2.
62 PD6 bidirectional GPIO with alternate functions WKUP7 wakeup, ANATST and ATIM_BRK2.
63 PD7 bidirectional GPIO with alternate functions SWCLK (SWD clock) and UART2_RX.
64 PD8 bidirectional GPIO with alternate functions SWIO (SWD data) and UART2_TX.

Key specifications

Parameter Value
Manufacturer FUDAN MICRO
Package LQFP-64(10x10)
Category Single Chip Microcomputer/Microcontroller
Pins 64

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VDD-VSS -0.3 6 V includes VDD, VDDA 44
Pin voltage VPIN -0.3 6 V VSS-0.3 to 6 V 44
VDD to VDDA difference /ΔVDD/ 50 mV 44
Difference among all ground pins /ΔVSS/ 50 mV 44
Operating temperature TA -40 85 °C 44
Storage temperature TSTG -55 150 °C 44
ESD HBM HBM -4000 4000 V TA=25℃, JEDEC JS-001 44
ESD CDM CDM -1000 1000 V TA=25℃, JEDEC JS-002 44
IO Latchup LU -200 200 mA -(0.5VDD) < VI < (1.5VDD), TA=25℃, JESD78E 44
Max current into VDD ΣIVDD 90 mA source 44
Max current out of VSS ΣIVSS 70 mA sink 44
Total IO sink current ΣIIO 70 mA all IO sink 44
Total IO source current ΣIIO 90 mA all IO source 44
AHB clock frequency fHCLK 0 64 MHz 45
APB clock frequency fPCLK 0 64 MHz 45
Operating voltage (CPU running), power-up VDD 1.8 5.5 V 上电 (power-up) 45
Operating voltage (CPU running), power-down VDD 1.65 5.5 V 下电 (power-down) 45
Analog operating voltage VDDA 1.8 5.5 V VREFP=VDD, VREFN=VSS 45
Junction temperature TJ -40 125 °C 45

CAD (KiCad official)

  • Symbol: FM33LE016
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: fm33le016-etched.step / fm33le016-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fm33le016.step / fm33le016.glb are the bare package body.

Provenance

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

  • Datasheet: FUDAN MICRO datasheet (674 pp, sha256 5813d667fe7dc378, retrieved 2026-10-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (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