ATTINY414-SSNR

@@ -0,0 +1,56 @@+# ATTINY414-SSNR++**Microchip** · Microcontrollers (MCU/MPU/SOC) · SOIC-14++ATTINY414-SSNR from Microchip, in a SOIC-14. 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 | VDD | power_in | Input supply voltage (1.8V - 5.5V). Powers the digital core and GPIO VDD domain. |+| 2 | PA4 | bidirectional | General-purpose I/O port A bit 4. Muxed functions: ADC0 AIN4, PTC X0/Y0, USART0 XDIR, SPI0 SS, TCA0 WO4, TCD0 WOA, CCL LUT0-OUT. External interrupt capable. |+| 3 | PA5 | bidirectional | General-purpose I/O port A bit 5. Muxed functions: ADC0 AIN5, PTC X1/Y1, AC0 OUT, TCA0 WO5, TCB0 WO, TCD0 WOB. External interrupt capable with full asynchronous detection (Px5 not applicable - see note; PA5 muxes only listed peripherals). |+| 4 | PA6 | bidirectional | General-purpose I/O port A bit 6. Muxed functions: ADC0 AIN6, PTC X2/Y2, AC0 AINN0, DAC OUT. Full asynchronous external interrupt capability (Px2/Px6 rule). |+| 5 | PA7 | bidirectional | General-purpose I/O port A bit 7. Muxed functions: ADC0 AIN7, PTC X3/Y3, AC0 AINP0, CCL LUT1-OUT. |+| 6 | PB3/TOSC1 | bidirectional | General-purpose I/O port B bit 3, alternate TOSC1 for 32.768kHz crystal oscillator input. Muxed functions: USART0 RxD (alt), TCA0 WO0 (alt). |+| 7 | PB2/TOSC2 | bidirectional | General-purpose I/O port B bit 2, alternate TOSC2 for 32.768kHz crystal oscillator output, EVOUT1 event system output. Muxed functions: USART0 TxD, TCA0 WO2. Full asynchronous external interrupt capability (Px2/Px6 rule). |+| 8 | PB1 | bidirectional | General-purpose I/O port B bit 1. Muxed functions: ADC0 AIN10, PTC X4/Y4, USART0 XCK, TWI0 SDA, TCA0 WO1. |+| 9 | PB0 | bidirectional | General-purpose I/O port B bit 0. Muxed functions: ADC0 AIN11, PTC X5/Y5, USART0 XDIR, TWI0 SCL, TCA0 WO0. |+| 10 | PA0/RESET/UPDI | bidirectional | General-purpose I/O port A bit 0. Alternate functions: RESET (active-low external reset) and UPDI (Unified Program and Debug Interface). Muxed: ADC0 AIN0, CCL LUT0-IN0. |+| 11 | PA1 | bidirectional | General-purpose I/O port A bit 1. Muxed functions: BREAK (debug), ADC0 AIN1, USART0 TXD (alt), SPI0 MOSI, TWI0 SDA (alt), CCL LUT0-IN1. |+| 12 | PA2 | bidirectional | General-purpose I/O port A bit 2. Muxed functions: EVOUT0 (event system output), ADC0 AIN2, USART0 RXD (alt), SPI0 MISO, TWI0 SCL (alt), CCL LUT0-IN2. Full asynchronous external interrupt capability (Px2/Px6 rule). |+| 13 | PA3/EXTCLK | bidirectional | General-purpose I/O port A bit 3, alternate external clock input (EXTCLK) for the main clock. Muxed functions: ADC0 AIN3, USART0 XCK (alt), SPI0 SCK, TCA0 WO3. |+| 14 | GND | power_in | Ground reference (0V) for the device. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOIC-14 |+| Category | MCU |+| Pins | 14 |++## Ordering variants++Same part, different packaging or reel option.++- `ATTINY414-SSNR`+- `ATTINY414-SSNRSSFR`++## CAD (KiCad official)++- Symbol: `ATTINY414-SSNR`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Microchip datasheet](docs/attiny414-ssnr-datasheet.pdf) (497 pp, sha256 `0aeff7148ba82403`, retrieved 2026-08-17, tier: manufacturer)+- **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/attiny414-ssnr-datasheet.pdf)

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