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ATA6570-GNQW0
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Microchip CAN ICs, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+56@@ -0,0 +1,56 @@+# ATA6570-GNQW0++**Microchip** · CAN ICs · SOIC-14++ATA6570-GNQW0 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 | TXD | input | Transmit data input from the host CAN controller. Drives the CANH/CANL differential bus driver; logic low forces the bus dominant. Includes a TXD dominant time-out to prevent permanent bus blocking. |+| 2 | GND | power_in | Device ground. Common return for VS, VCC, VIO and the CAN bus driver. On the VDFN package the exposed thermal pad is internally connected to this pin. |+| 3 | VCC | power_in | 5 V supply for the integrated CAN transceiver output stage. Typically decoupled locally with a ceramic capacitor to GND. Undervoltage detection on VCC is provided. |+| 4 | RXD | output | Receive data output to the host CAN controller. Reports the bus state (dominant = low, recessive = high) and is referenced to VIO. Includes recessive-clamping detection. |+| 5 | VIO | power_in | Supply for the digital I/O level adapter, tied to the microcontroller's supply (3.3 V or 5 V). Sets the logic-high levels on TXD, RXD, SDI, SDO, SCK and NCS. Undervoltage detection on VIO is provided. |+| 6 | SDO | output | SPI serial data output (MISO). Data is shifted out on this pin to the host MCU during SPI transactions. High-impedance when NCS is de-asserted. |+| 7 | INH | output | High-side inhibit output for switching an external voltage regulator on/off. Sourced from VS; enabled in Standby/Normal mode and switched off in Sleep mode to power down the ECU. |+| 8 | SCK | input | SPI clock input from the host MCU. Supports SPI clock rates up to 4 MHz. Data on SDI is sampled and SDO is updated on the appropriate clock edges. |+| 9 | WAKE | input | High-voltage local wake-up input, referenced to VS. A rising or falling edge (per configuration) initiates a local wake-up event to bring the device out of Sleep or Standby mode. |+| 10 | VS | power_in | Battery supply input. Normally connected to the vehicle battery through a reverse-polarity diode. Operating range up to 28 V with 40 V DC/load-dump tolerance; undervoltage detection is implemented. |+| 11 | SDI | input | SPI serial data input (MOSI) from the host MCU. Carries command and register-write data clocked in by SCK while NCS is asserted low. |+| 12 | CANL | bidirectional | Low-level CAN bus line. Driven low in the dominant state and biased to roughly VCC/2 in the recessive state. Protected against shorts to GND/VCC and automotive transients per ISO 7637. |+| 13 | CANH | bidirectional | High-level CAN bus line. Driven high in the dominant state and biased to roughly VCC/2 in the recessive state. Protected against shorts to GND/VCC and automotive transients per ISO 7637. |+| 14 | NCS | input | Active-low SPI chip-select input. Framing signal that gates SPI transactions; SDO is driven only while NCS is low. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOIC-14 |+| Category | Comm/UART |+| Pins | 14 |++## Ordering variants++- `ATA6570-GNQW0`+- `ATA6570-GNQW0GNQW1`+- `ATA6570-GNQW0GCQW0`+- `ATA6570-GNQW0GCQW1`++## CAD (KiCad official)++- Symbol: `ATA6570-GNQW0`+- 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/ata6570-gnqw0-datasheet.pdf) (68 pp, sha256 `e72a03940d79c3a5`, 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/ata6570-gnqw0-datasheet.pdf)
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