# AC78013FDLA

**AutoChips** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)

AC78013FDLA from AutoChips, in a LQFP-48(7x7). 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 | PB11 | bidirectional | Multiplexed GPIO pin (GPIO index 27) with alternate functions PWM0_CH3 and SPI1_MOSI selected through PMUX2[23:21]; per-pin current is limited to ±20 mA. |
| 2 | PB12 | bidirectional | Multiplexed GPIO pin (GPIO index 28) with alternate functions PWM0_CH2 and SPI1_SCK selected through PMUX2[26:24]; per-pin current is limited to ±20 mA. |
| 3 | PB0 | bidirectional | Multiplexed GPIO pin (GPIO index 16) with alternate functions CAN_TX, PWM0_CH7 and SPI1_MISO selected through PMUX1[20:18]; per-pin current is limited to ±20 mA. |
| 4 | PB1 | bidirectional | Multiplexed GPIO pin (GPIO index 17) with alternate functions CAN_RX, PWM0_CH6 and SPI1_NSS selected through PMUX1[23:21]; per-pin current is limited to ±20 mA. |
| 5 | VDD1 | power_in | Digital supply pin; operating voltage range is 2.7 to 5.5 V and absolute maximum VDD is 6 V. |
| 6 | VDDA | power_in | Analog supply pin, to be shorted to VDD on the PCB; absolute rating is VDD −0.3 V to VDD +0.3 V. |
| 7 | VSS1 | power_in | Ground pin for the digital and analog domains. |
| 8 | PA12 | bidirectional | Multiplexed GPIO pin (GPIO index 12) with default function OSC_OUT and alternate functions I2C0_SCL and PWM0_FLT0 selected through PMUX1[8:6]; per-pin current is limited to ±20 mA. |
| 9 | PA15 | bidirectional | Multiplexed GPIO pin (GPIO index 15) with default function OSC_IN and alternate functions I2C0_SDA and PWDT0_IN0 selected through PMUX1[17:15]; per-pin current is limited to ±20 mA. |
| 10 | PA0 | bidirectional | Multiplexed GPIO pin (GPIO index 0) with alternate functions PWM0_CH1, UART0_RTS and I2C0_SCL selected through PMUX0[2:0]; per-pin current is limited to ±20 mA. |
| 11 | PA1 | bidirectional | Multiplexed GPIO pin (GPIO index 1) with alternate functions PWM0_CH0, UART0_CTS and I2C0_SDA selected through PMUX0[5:3]; per-pin current is limited to ±20 mA. |
| 12 | PB13 | bidirectional | Multiplexed GPIO pin (GPIO index 29) with alternate functions PWM0_CH7 and I2C1_SCL selected through PMUX2[29:27]; per-pin current is limited to ±20 mA. |
| 13 | PB3 | bidirectional | Multiplexed GPIO pin (GPIO index 19) with alternate functions PWM0_CH6, PWM1_CH7 and SPI0_MOSI selected through PMUX1[29:27]; per-pin current is limited to ±20 mA. |
| 14 | PA2 | bidirectional | Multiplexed GPIO pin (GPIO index 2) with alternate functions PWM0_CH5, ADC_IN8 and SPI0_MISO selected through PMUX0[8:6]; per-pin current is limited to ±20 mA. |
| 15 | PA3 | bidirectional | Multiplexed GPIO pin (GPIO index 3) with alternate functions PWM0_CH4, ADC_IN7 and SPI0_SCK selected through PMUX0[11:9]; per-pin current is limited to ±20 mA. |
| 16 | PA4 | bidirectional | Multiplexed GPIO pin (GPIO index 4) with alternate functions PWM0_CH3, ADC_IN6/ACMP_IN6 and UART1_TX selected through PMUX0[14:12]; per-pin current is limited to ±20 mA. |
| 17 | PA5 | bidirectional | Multiplexed GPIO pin (GPIO index 5) with alternate functions PWM0_CH2, ADC_IN5/ACMP_IN5 and UART1_RX selected through PMUX0[17:15]; per-pin current is limited to ±20 mA. |
| 18 | PA6 | bidirectional | Multiplexed GPIO pin (GPIO index 6) with BOOT function as default option selected through PMUX0[20:18]; per-pin current is limited to ±20 mA. |
| 19 | PB14 | bidirectional | Multiplexed GPIO pin (GPIO index 30) with alternate functions PWM0_CH1 and SPI1_MOSI selected through PMUX3[2:0]; per-pin current is limited to ±20 mA. |
| 20 | PB15 | bidirectional | Multiplexed GPIO pin (GPIO index 31) with alternate functions PWM1_FLT0, ADC_IN11 and SPI1_SCK selected through PMUX3[5:3]; per-pin current is limited to ±20 mA. |
| 21 | PC0 | bidirectional | Multiplexed GPIO pin (GPIO index 32) with alternate functions PWM1_CH3, ADC_IN10 and SPI1_MISO selected through PMUX3[8:6]; per-pin current is limited to ±20 mA. |
| 22 | PC1 | bidirectional | Multiplexed GPIO pin (GPIO index 33) with alternate functions PWM1_CH2, ADC_IN9 and SPI1_NSS selected through PMUX3[11:9]; per-pin current is limited to ±20 mA. |
| 23 | PB4 | bidirectional | Multiplexed GPIO pin (GPIO index 20) with alternate functions PWM1_CH1, ADC_IN8 and SPI0_MISO selected through PMUX2[2:0]; per-pin current is limited to ±20 mA. |
| 24 | PB5 | bidirectional | Multiplexed GPIO pin (GPIO index 21) with alternate functions PWM1_CH0, ADC_IN7 and SPI0_SCK selected through PMUX2[5:3]; per-pin current is limited to ±20 mA. |
| 25 | PA7 | bidirectional | Multiplexed GPIO pin (GPIO index 7) with alternate functions UART0_TX, ADC_IN4/ACMP_IN4 and SPI0_MOSI selected through PMUX0[23:21]; per-pin current is limited to ±20 mA. |
| 26 | PA8 | bidirectional | Multiplexed GPIO pin (GPIO index 8) with alternate functions UART0_RX, ADC_IN3/ACMP_IN3 and SPI0_NSS selected through PMUX0[26:24]; per-pin current is limited to ±20 mA. |
| 27 | PC2 | bidirectional | Multiplexed GPIO pin (GPIO index 34) with alternate functions UART1_TX, PWM0_FLT1 and UART0_TX selected through PMUX3[14:12]; per-pin current is limited to ±20 mA. |
| 28 | PC3 | bidirectional | Multiplexed GPIO pin (GPIO index 35) with alternate functions UART1_RX, PWM1_FLT1 and UART0_RX selected through PMUX3[17:15]; per-pin current is limited to ±20 mA. |
| 29 | PA9 | bidirectional | Multiplexed GPIO pin (GPIO index 9) with alternate functions PWM0_FLT0, ADC_IN2/ACMP_IN2 and RTC_CLKIN selected through PMUX0[29:27]; per-pin current is limited to ±20 mA. |
| 30 | VSS2 | power_in | Ground pin for the digital domain. |
| 31 | VDD2 | power_in | Digital supply pin; operating voltage range is 2.7 to 5.5 V and absolute maximum VDD is 6 V. |
| 32 | PC4 | bidirectional | Multiplexed GPIO pin (GPIO index 36) with alternate functions PWM0_CH1 and I2C1_SDA selected through PMUX3[20:18]; per-pin current is limited to ±20 mA. |
| 33 | PB6 | bidirectional | Multiplexed GPIO pin (GPIO index 22) with alternate functions PWM1_CH6, PWM1_FLT0 and CAN_STDBY selected through PMUX2[8:6]; per-pin current is limited to ±20 mA. |
| 34 | PC5 | bidirectional | Multiplexed GPIO pin (GPIO index 37) with alternate functions PWDT0_IN1 and SPI0_NSS selected through PMUX3[23:21]; per-pin current is limited to ±20 mA. |
| 35 | PB7 | bidirectional | Multiplexed GPIO pin (GPIO index 23) with alternate functions PWM1_CH3, ACMP_IN3 and I2C0_SCL selected through PMUX2[11:9]; per-pin current is limited to ±20 mA. |
| 36 | PB8 | bidirectional | Multiplexed GPIO pin (GPIO index 24) with alternate functions PWM1_CH2, PWDT0_IN2 and I2C0_SDA selected through PMUX2[14:12]; per-pin current is limited to ±20 mA. |
| 37 | PA10 | bidirectional | Multiplexed GPIO pin (GPIO index 10) with alternate functions PWM0_CH7, ADC_IN1/ACMP_IN1 and PWDT0_IN2 selected through PMUX1[2:0]; per-pin current is limited to ±20 mA. |
| 38 | PA11 | bidirectional | Multiplexed GPIO pin (GPIO index 11) with alternate functions PWM0_CH6, ADC_IN0/ACMP_IN0 and PWDT0_IN1 selected through PMUX1[5:3]; per-pin current is limited to ±20 mA. |
| 39 | PC6 | bidirectional | Multiplexed GPIO pin (GPIO index 38) with alternate functions UART1_TX and PWDT1_IN2 selected through PMUX3[26:24]; per-pin current is limited to ±20 mA. |
| 40 | PC7 | bidirectional | Multiplexed GPIO pin (GPIO index 39) with alternate functions UART1_RX and PWDT1_IN1 selected through PMUX3[29:27]; per-pin current is limited to ±20 mA. |
| 41 | PC8 | bidirectional | Multiplexed GPIO pin (GPIO index 40) with alternate functions PWM1_CH7, CAN_STDBY and PWDT1_IN0 selected through PMUX4[2:0]; per-pin current is limited to ±20 mA. |
| 42 | PC9 | bidirectional | Multiplexed GPIO pin (GPIO index 41) with alternate functions PWM1_CH6 and ACMP_OUT selected through PMUX4[5:3]; per-pin current is limited to ±20 mA. |
| 43 | PB9 | bidirectional | Multiplexed GPIO pin (GPIO index 25) with alternate functions PWM1_CH5, I2C1_SCL and UART2_TX selected through PMUX2[17:15]; per-pin current is limited to ±20 mA. |
| 44 | PB10 | bidirectional | Multiplexed GPIO pin (GPIO index 26) with alternate functions PWM1_CH4, I2C1_SDA and UART2_RX selected through PMUX2[20:18]; per-pin current is limited to ±20 mA. |
| 45 | PB2 | bidirectional | Multiplexed GPIO pin (GPIO index 18) with default function NMI_B and alternate functions PWM0_FLT0 and PWDT0_IN0 selected through PMUX1[26:24]; per-pin current is limited to ±20 mA. |
| 46 | PA13 | bidirectional | Multiplexed GPIO pin (GPIO index 13) with default function SWD_CLK and alternate functions EXT_CLKIN and RTC_CLKOUT selected through PMUX1[11:9]; SWD_CLK frequency is 0 to 20 MHz per Table 7-1. |
| 47 | RESET_B | input | Active-low reset input; the shortest pulse guaranteed to be recognized is 1.5 × t32k (Table 6-4 note 3). |
| 48 | PA14 | bidirectional | Multiplexed GPIO pin (GPIO index 14) with SWD data function SWD_DIO1 and alternate functions ACMP_OUT and PWM1_CH0 selected through PMUX1[14:12]; SWD_DIO input data setup and hold times are 5 ns each relative to SWD_CLK rise. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | AutoChips |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Digital supply voltage (absolute maximum) | VDD | -0.3 |  | 6 | V |  | 14 |
| Maximum current into VDD | IDD |  |  | 60 | mA |  | 14 |
| Instantaneous maximum current single pin limit (applies to all port pins) | ID | -20 |  | 20 | mA |  | 14 |
| Storage temperature | TSTG | -55 |  | 150 | °C |  | 13 |
| Solder temperature, lead-free | TSDR |  |  | 260 | °C |  | 13 |
| Electrostatic discharge voltage, human body model | VHBM | -4000 |  | 4000 | V |  | 13 |
| Electrostatic discharge voltage, charged-device model | VCDM | -750 |  | 750 | V |  | 13 |
| Latch-up current | ILAT | -100 |  | 100 | mA | Ambient temperature 125°C | 13 |
| Operating voltage |  | 2.7 |  | 5.5 | V |  | 16 |
| Output high current, max total IOH for all ports | IOHT |  |  | 30 | mA | 5 V | 16 |
| Output high current, max total IOH for all ports | IOHT |  |  | 20 | mA | 3 V | 16 |
| Output low current, max total IOL for all ports | IOLT |  |  | 30 | mA | 5 V | 16 |
| Output low current, max total IOL for all ports | IOLT |  |  | 20 | mA | 3 V | 16 |
| Input low voltage, all digital inputs | VIL | -0.3 |  |  | V | 4.5≤VDD<5.5 V | 16 |
| Input leakage current, per pin (pins in high impedance input mode) | IIn | -1 | 0.1 | 1 | µA | VIN = VDD or VSS | 16 |
| Pullup resistors, all digital inputs when enabled | RPU | 40 | 75 | 190 | KΩ |  | 16 |
| Input capacitance, all pins | CIn |  | 5 | 7 | pF |  | 17 |
| RAM retention voltage | VRAM | 2 |  |  | V |  | 17 |
| POR re-arm voltage | VPOR | 1.6 | 1.8 | 2 | V |  | 17 |
| Falling low-voltage detect threshold, low range | VLVDL | 2.59 | 2.63 | 2.68 | V | LVDV = 0 | 17 |
| Falling low-voltage detect threshold, high range | VLVDH | 4.22 | 4.28 | 4.37 | V | LVDV = 1 | 17 |
| Falling low-voltage warning threshold, high range | VPVDH | 4.45 | 4.6 | 4.75 | V |  | 17 |
| Falling low-voltage warning threshold, low range | VPVDL | 2.85 | 2.95 | 3.05 | V |  | 17 |
| Buffered bandgap output | VBG | 1.18 | 1.2 | 1.22 | V | Factory trimmed at VDD = 5.0 V, Temp = 25 °C | 17 |
| System and core clock | fSys |  |  | 72 | MHz |  | 20 |
| Timer clock frequency | fPWM |  |  | 72 | MHz |  | 21 |
| Input capture pulse width | tICPW | 1.5 |  |  | tPWM |  | 21 |
| SWD_CLK frequency of operation (serial wire debug) | J1 | 0 |  | 20 | MHz |  | 25 |
| SWD_CLK rise and fall times | J4 |  |  | 3 | ns |  | 25 |
| SWD_DIO input data setup time to SWD_CLK rise | J9 | 5 |  |  | ns |  | 25 |
| SWD_CLK high to SWD_DIO data valid | J11 |  |  | 41 | ns |  | 25 |
| Crystal frequency | fhi | 4 |  | 30 | MHz |  | 25 |
| LFOSC output frequency range | flfosc | 7.88 | 8 | 8.12 | MHz | Over temperature range from -40 °C to 125 °C | 26 |
| LPOSC factory trimmed internal oscillator accuracy | Δfint_ft | -4 |  | 4 | % | T = 25 °C, VDD = 5 V | 26 |
| LPOSC deviation of IRC over temperature | Δfint_t | -20 |  | 15 | % | Trimmed at T = 25 °C, VDD = 2.7-5.5 V; over -40 °C to 125 °C | 26 |
| PLL input clock frequency | fPLL_IN | 4 |  | 30 | MHz | Junction temperature -40~125°C | 26 |
| PFD input clock frequency | fPLL_REF |  |  | 8 | MHz | Junction temperature -40~125°C | 27 |
| PLL output clock frequency | fPLL_OUT | 9 |  | 750 | MHz | Junction temperature -40~125°C | 27 |
| VCO output frequency | fVCO_OUT | 500 |  | 1500 | MHz | Junction temperature -40~125°C | 27 |
| Page erase verify | tPERV | 535 |  | 1070 | tcyc | tcyc = 1/fSYS | 27 |
| Flash program/erase endurance, -40 to 125 °C | nEDR | 10 |  |  | k cycles |  | 27 |
| Data retention at average junction temperature TJavg = 85°C after up to 10,000 program/erase cycles | tRET | 10 |  |  | years |  | 27 |
| Flash bus frequency | fSYS | 8 | 48 | 72 | MHz |  | 27 |
| Supply voltage (ADC and Tsensor) | VAVDD | 2.7 |  | 5.5 | V | Absolute | 28 |
| Sampling time | fsample | 280 |  |  | ns |  | 28 |
| ADC clock frequency | fADC |  |  | 24 | MHz |  | 28 |
| Comparator supply current (operation mode) | IDDA |  |  | 20 | µA |  | 29 |
| Thermal resistance, junction to ambient (natural convection), single-layer (1s) | RθJA |  | 45.81 |  | °C/W | Single-layer (1s), natural convection | 22 |
| Thermal resistance, junction to ambient (natural convection), four-layer (2s2p) | RθJA |  | 32.11 |  | °C/W | Four-layer (2s2p), natural convection | 22 |
| Thermal resistance, junction to ambient (200 ft./min. air speed), single-layer (1s) | RθJMA |  | 39.85 |  | °C/W | Single-layer (1s), 200 ft./min. air speed | 22 |
| Thermal resistance, junction to ambient (200 ft./min. air speed), four-layer (2s2p) | RθJMA |  | 28.22 |  | °C/W | Four-layer (2s2p), 200 ft./min. air speed | 22 |
| Thermal resistance, junction to board, single-layer (1s) | RθJB |  | 20.76 |  | °C/W | Single-layer (1s) | 22 |
| Thermal resistance, junction to board, four-layer (2s2p) | RθJB |  | 20.58 |  | °C/W | Four-layer (2s2p) | 22 |
| Thermal resistance, junction to case, single-layer (1s) | RθJC |  | 25.02 |  | °C/W | Single-layer (1s) | 22 |
| Thermal resistance, junction to case, four-layer (2s2p) | RθJC |  | 25.02 |  | °C/W | Four-layer (2s2p) | 22 |
| Thermal characterization parameter, junction to package top, single-layer (1s) | ΨJT |  | 1.06 |  | °C/W | Single-layer (1s), natural convection | 22 |
| Thermal characterization parameter, junction to package top, four-layer (2s2p) | ΨJT |  | 0.94 |  | °C/W | Four-layer (2s2p), natural convection | 22 |
| Thermal characterization parameter, junction to package bottom, single-layer (1s) | ΨJB |  | 20.6 |  | °C/W | Single-layer (1s), natural convection | 22 |
| Thermal characterization parameter, junction to package bottom, four-layer (2s2p) | ΨJB |  | 20.5 |  | °C/W | Four-layer (2s2p), natural convection | 23 |

## CAD (KiCad official)

- Symbol: `AC78013FDLA`
- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`
- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files: `ac78013fdla-etched.step` / `ac78013fdla-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ac78013fdla.step` / `ac78013fdla.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [AutoChips datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907571899617280) (47 pp, sha256 `7bcdf5bc19bb2f06`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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](docs/ac78013fdla-datasheet.pdf)