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AG32VF303KCU6
Public Made by Adomby adom
AGM Microelectronics Microcontrollers (MCU/MPU/SOC), QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownAG32VF303KCU6
AGM Microelectronics · Microcontrollers (MCU/MPU/SOC) · QFN-32-EP(4x4)
AG32VF303KCU6 from AGM Microelectronics, in a QFN-32-EP(4x4). 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 | PIN_1 | bidirectional | General-purpose I/O that is also the RTC function pin (IO/RTC); the provided text gives no electrical limits for this pin. |
| 2 | PIN_2 | bidirectional | General-purpose I/O multiplexed with OSC_IN (the external oscillator input); the provided text gives no electrical limits for this pin. |
| 3 | PIN_3 | bidirectional | General-purpose I/O multiplexed with OSC_OUT (the external oscillator output); the provided text gives no electrical limits for this pin. |
| 4 | NRST | input | Active-low reset input for the MCU; the provided text gives no electrical limits for this pin. |
| 5 | PIN_5 | bidirectional | General-purpose I/O multiplexed with ADC_IN12; the provided text gives no electrical limits for this pin. |
| 6 | VDDA33 | power_in | Analog supply pin (labelled VDDA33 in the QFN-32 table); the provided text gives no voltage range for this pin. |
| 7 | PIN_7 | bidirectional | General-purpose I/O multiplexed with WKUP, ADC_IN0 and CMP_PA0; the provided text gives no electrical limits for this pin. |
| 8 | PIN_8 | bidirectional | General-purpose I/O multiplexed with ADC_IN1 and CMP_PA1; the provided text gives no electrical limits for this pin. |
| 9 | PIN_9 | bidirectional | General-purpose I/O multiplexed with ADC_IN2 and CMP_PA2; the provided text gives no electrical limits for this pin. |
| 10 | PIN_10 | bidirectional | General-purpose I/O multiplexed with ADC_IN3 and CMP_PA3; the provided text gives no electrical limits for this pin. |
| 11 | PIN_11 | bidirectional | General-purpose I/O multiplexed with ADC_IN4, CMP_PA4 and DAC0; the provided text gives no electrical limits for this pin. |
| 12 | PIN_12 | bidirectional | General-purpose I/O multiplexed with ADC_IN5, CMP_PA5 and DAC1; the provided text gives no electrical limits for this pin. |
| 13 | PIN_13 | bidirectional | General-purpose I/O multiplexed with ADC_IN6; the provided text gives no electrical limits for this pin. |
| 14 | PIN_14 | bidirectional | General-purpose I/O multiplexed with ADC_IN7; the provided text gives no electrical limits for this pin. |
| 15 | PIN_15 | bidirectional | General-purpose I/O multiplexed with the BOOT1 function; the provided text gives no electrical limits for this pin. |
| 16 | VDD33 | power_in | Main 3.3 V-class digital supply pin; the provided text gives no voltage range for this pin. |
| 17 | GND | power_in | Ground pin. |
| 18 | PIN_18 | bidirectional | General-purpose I/O; the provided text gives no electrical limits for this pin. |
| 19 | PIN_19 | bidirectional | General-purpose I/O; the provided text gives no electrical limits for this pin. |
| 20 | PIN_20 | bidirectional | General-purpose I/O multiplexed with the UART0_TX function; the provided text gives no electrical limits for this pin. |
| 21 | PIN_21 | bidirectional | General-purpose I/O multiplexed with the UART0_RX function; the provided text gives no electrical limits for this pin. |
| 22 | PIN_22 | bidirectional | General-purpose I/O multiplexed with the USBDM (USB D-) function; the provided text gives no electrical limits for this pin. |
| 23 | PIN_23 | bidirectional | General-purpose I/O multiplexed with the USBDP (USB D+) function; the provided text gives no electrical limits for this pin. |
| 24 | PIN_24 | bidirectional | General-purpose I/O multiplexed with the JTMS (JTAG/SWD mode select) function; the provided text gives no electrical limits for this pin. |
| 25 | PIN_25 | bidirectional | General-purpose I/O multiplexed with the JTCK (JTAG clock) function; the provided text gives no electrical limits for this pin. |
| 26 | PIN_26 | bidirectional | General-purpose I/O multiplexed with the JTDI (JTAG data in) function; the provided text gives no electrical limits for this pin. |
| 27 | PIN_27 | bidirectional | General-purpose I/O multiplexed with the JTDO (JTAG data out) function; the provided text gives no electrical limits for this pin. |
| 28 | PIN_28 | bidirectional | General-purpose I/O multiplexed with the JNTRST (JTAG reset) function; the provided text gives no electrical limits for this pin. |
| 29 | PIN_29 | bidirectional | General-purpose I/O; the provided text gives no electrical limits for this pin. |
| 30 | BOOT0 | input | Boot mode selection input (BOOT0); the provided text gives no electrical limits for this pin. |
| 31 | PIN_31 | bidirectional | General-purpose I/O; the provided text gives no electrical limits for this pin. |
| 32 | VDD33 | power_in | Main 3.3 V-class digital supply pin; the provided text gives no voltage range for this pin. |
| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | AGM Microelectronics |
| Package | QFN-32-EP(4x4) |
| Category | Embedded Processors & Controllers |
| Pins | 33 |
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 | 3 | 3.3 | 3.6 | V | 291 | |
| Analog supply voltage | VDDA | 3 | 3.3 | 3.6 | V | 291 | |
| Battery supply voltage | VBAT | 2.2 | 3.6 | V | 291 | ||
| Maximum current for GPIO pins | Iio | 25 | mA | 291 | |||
| Injected current on I/O | Iinj | -5 | 5 | mA | 291 | ||
| Operating temperature range | TA | -40 | 85 | °C | 291 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 291 | ||
| Maximum junction temperature | TJ | 125 | °C | 291 | |||
| Power on reset threshold | Vpor | 2 | 2.2 | 2.4 | V | 293 | |
| Power down reset threshold | Vpdr | 1.8 | 2 | 2.2 | V | 293 | |
| Maximum ESD voltage (human body model) | VESD(HBM) | 2000 | V | 292 | |||
| Maximum ESD voltage (charge device model) | VESD(CDM) | 500 | V | 292 | |||
| Latch-up | LU | 100 | mA | 292 | |||
| Number of guaranteed program/erase cycles before failure (Endurance) | PECYC | 100 | kcycles | TA=-40°C ~ +85°C | 296 | ||
| Data retention time | tRET | 20 | years | TA=125°C | 296 | ||
| Word programming time | tPROG | 2 | 3 | ms | TA=-40°C ~ +85°C | 296 | |
| Page erase time | tERASE | 8 | 20 | ms | TA=-40°C ~ +85°C | 296 | |
| Mass erase time | tMERASE | 8 | 20 | ms | TA=-40°C ~ +85°C | 296 | |
| Standard IO Low level input voltage | VIL | -0.3 | 0.8 | V | VDD ≥ 3.0V | 296 | |
| Standard IO High level input voltage | VIH | 1.5 | 3.6 | V | VDD ≥ 3.0V | 296 | |
| Low level output voltage | VOL | 0.2 | V | VDD ≥ 3.0V | 296 | ||
| High level output voltage | VOH | 2.8 | V | VDD ≥ 3.0V | 296 | ||
| Internal pull-up resistor | RPU | 30 | 40 | 50 | kΩ | VIN=VSS | 296 |
| Internal pull-down resistor | RPD | 30 | 40 | 50 | kΩ | VIN=VDD | 296 |
| Operating voltage | VDDA | 3 | 3.3 | 3.6 | V | 297 | |
| ADC clock | fADC | 0.5 | 13 | MHz | 297 | ||
| Sampling rate | fs | 1 | MHz | 297 | |||
| ADC conversion time | tconv | 1 | 20 | μs | 297 | ||
| Input sampling switch resistance | RADC | 0.5 | kΩ | 297 | |||
| Startup time | tsu | 2 | μs | 297 | |||
| Operating voltage (DAC) | VDDA | 3 | 3.3 | 3.6 | V | 297 | |
| Reference supply voltage | VREFP | 3 | 3.3 | 3.6 | V | VREFP should always below VDDA | 297 |
| Load resistance | RLOAD | 5 | kΩ | Resistive load vs. VSSA with buffer ON | 297 | ||
| Load capacitance | CLOAD | 50 | pF | No pin/pad capacitance included | 297 | ||
| Analog supply voltage (comparator) | VDDA | 3 | 3.3 | 3.6 | V | 298 | |
| Comparator startup time | tstart | 10 | μs | VDDA ≥ 3.0 V | 298 | ||
| Propagation delay for full range step with 100 mV overdrive | tD | 40 | ns | VDDA ≥ 3.0 V | 298 | ||
| Comparator offset error | VOFFSET | -25 | 25 | mV | VDDA ≥ 3.0 V | 298 | |
| SCL clock frequency | fSCL | 0 | 100 | KHz | 298 | ||
| SCL clock high time | tSCL(H) | 4 | 0.6 | ns | 298 | ||
| SCL clock low time | tSCL(L) | 4.7 | 1.3 | ns | 298 | ||
| SCK clock high time | tSCK(H) | 5 | ns | 299 | |||
| SCK clock low time | tSCK(L) | 5 | ns | 299 | |||
| Data output valid time | tV(MO) | 5 | ns | SPI master mode | 299 | ||
| Data output hold time | tH(MO) | 2 | ns | SPI master mode | 299 | ||
| Data input setup time | tSU(MI) | 5 | ns | SPI master mode | 299 | ||
| Data input hold time | tH(MI) | 5 | ns | SPI master mode | 299 | ||
| NRST weak pull-up equivalent resistor | RPU | 30 | 40 | 50 | kΩ | VIN = VSS | 300 |
| NRST input filtered pulse | VF(NRST) | 100 | ns | 300 | |||
| NRST input not filtered pulse | VNF(NRST) | 500 | ns | 300 | |||
| HSE oscillator duty cycle | Dosc_out | 45 | 50 | 55 | % | 294 | |
| HSI oscillator frequency | f_HSI | 10 | 20 | 40 | MHz | VDD=3.3V | 295 |
| PLL input clock | fPLL_IN | 4 | 20 | 50 | MHz | 295 | |
| PLL multiplier output clock | fPLL_OUT | 2 | 200 | 300 | MHz | 295 | |
| PLL lock time | tLOCK | 400 | μs | 295 | |||
| Cycle-to-cycle jitter | Jitter | 400 | ps | 295 | |||
| Output high level voltage (USB) | VOH | 2.8 | 3.3 | 3.6 | V | RL of 15 kΩ to VSS | 302 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | pet | Time-base unit describes how the update event (UEV) is generated with respect to the counter overflows/underflows. It is actually generated only when the repetition counter | 76 |
CAD (KiCad official)
- Symbol:
AG32VF303KCU6 - Footprint:
Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm - 3D model: QFN-32-EP(4x4) (KiCad packages3D, STEP)
- 3D model files:
ag32vf303kcu6-etched.step/ag32vf303kcu6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ag32vf303kcu6.step/ag32vf303kcu6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: AGM Microelectronics datasheet (309 pp, sha256
bf24e7338ac0d2a9, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).