C8051F350-GQR

@@ -0,0 +1,74 @@+# C8051F350-GQR++**SKYWORKS SILICON LABS** · Microcontrollers (MCU/MPU/SOC) · TQFP-32(7x7)++C8051F350-GQR from SKYWORKS SILICON LABS, in a TQFP-32(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | AIN0.0 | input | ADC0 analog input channel 0. |+| 2 | AIN0.1 | input | ADC0 analog input channel 1. |+| 3 | AIN0.2 | input | ADC0 analog input channel 2. |+| 4 | AIN0.3 | input | ADC0 analog input channel 3. |+| 5 | AIN0.4 | input | ADC0 analog input channel 4 (present on C8051F350/2 24-bit ADC variants). |+| 6 | AIN0.5 | input | ADC0 analog input channel 5 (present on C8051F350/2). |+| 7 | AIN0.6 | input | ADC0 analog input channel 6 (present on C8051F350/2). |+| 8 | AIN0.7 | input | ADC0 analog input channel 7 (present on C8051F350/2). |+| 9 | AGND | power_in | Analog ground. Must be tied to ground. |+| 10 | AV+ | power_in | Analog supply voltage. Must be tied to +2.7 V to +3.6 V. |+| 11 | P2.0/C2D | bidirectional | Port 2.0 general-purpose digital I/O; also serves as the bi-directional data signal (C2D) for the C2 debug interface. |+| 12 | /RST/C2CK | bidirectional | Device reset. Open-drain output of the internal POR / VDD monitor; drive low ≥15 µs to reset. Also serves as the C2 debug clock (C2CK). 1 kΩ pull-up to VDD recommended. |+| 13 | P0.0 | bidirectional | Port 0.0. Digital I/O with analog-input capability (5 V tolerant). |+| 14 | P0.1 | bidirectional | Port 0.1. Digital I/O with analog-input capability (5 V tolerant). |+| 15 | P0.2/XTAL1 | bidirectional | Port 0.2 digital I/O with analog-input capability; alternate function XTAL1 is the external oscillator return for a crystal or resonator. |+| 16 | P0.3/XTAL2 | bidirectional | Port 0.3 digital I/O; alternate function XTAL2 is the excitation driver for an external crystal or resonator, or a clock input for CMOS/C/RC configurations. |+| 17 | P0.4 | bidirectional | Port 0.4. Digital I/O with analog-input capability (5 V tolerant). |+| 18 | P0.5 | bidirectional | Port 0.5. Digital I/O with analog-input capability (5 V tolerant). |+| 19 | P0.6/CNVSTR | bidirectional | Port 0.6 digital I/O; alternate function CNVSTR is the external convert-start input for the IDACs. |+| 20 | P0.7 | bidirectional | Port 0.7. Digital I/O with analog-input capability (5 V tolerant). |+| 21 | VDD | power_in | Digital supply voltage. Must be tied to +2.7 V to +3.6 V. |+| 22 | DGND | power_in | Digital ground. Must be tied to ground. |+| 23 | P1.0 | bidirectional | Port 1.0. Digital I/O with analog-input capability (5 V tolerant). AIN0.4 mux only present on C8051F351/3. |+| 24 | P1.1 | bidirectional | Port 1.1. Digital I/O with analog-input capability (5 V tolerant). |+| 25 | P1.2 | bidirectional | Port 1.2. Digital I/O with analog-input capability (5 V tolerant). |+| 26 | P1.3 | bidirectional | Port 1.3. Digital I/O with analog-input capability (5 V tolerant). |+| 27 | P1.4 | bidirectional | Port 1.4. Digital I/O with analog-input capability (5 V tolerant). |+| 28 | P1.5 | bidirectional | Port 1.5. Digital I/O with analog-input capability (5 V tolerant). |+| 29 | P1.6/IDA0 | bidirectional | Port 1.6 digital I/O; alternate function IDA0 is the current-output DAC0 analog output. |+| 30 | P1.7/IDA1 | bidirectional | Port 1.7 digital I/O; alternate function IDA1 is the current-output DAC1 analog output. |+| 31 | VREF+ | bidirectional | ADC/DAC positive voltage reference pin. Can be driven externally or connected to the on-chip reference. |+| 32 | VREF- | bidirectional | ADC negative voltage reference pin. Can be driven externally or tied to AGND for single-ended reference use. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | SKYWORKS SILICON LABS |+| Package | TQFP-32(7x7) |+| Category | MCU |+| Pins | 32 |++## Ordering variants++- `C8051F350-GQRGQ`+- `C8051F350-GQRGQR`+- `C8051F350-GQRGM`+- `C8051F350-GQRGMR`++## CAD (KiCad official)++- Symbol: `C8051F350-GQR`+- Footprint: `Package_QFP:LQFP-32_7x7mm_P0.8mm`+- 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [SKYWORKS SILICON LABS datasheet](docs/c8051f350-gqr-datasheet.pdf) (234 pp, sha256 `7246a42c1e3bc68f`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/c8051f350-gqr-datasheet.pdf)

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