component
AVR128DB28-I
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "AVR128DB28-I",
"brief": "Microchip Tech Pre-ordered MCUs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"manufacturer": "Microchip Tech",
"package": "SSOP-28-208mil",
"pin_count": 28,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0e1e62eb1f9a6295f05f763e265153f6.pdf",
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"checked_at": "2026-11-02T17:00:31Z",
"source": "Component Ocean /api/assign-pns",
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"status": "no match"
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"mouser": {
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"number": "1",
"name": "PA7",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTA; also CLKOUT, TCA0 OUT and an alternate EVOUTA position."
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{
"number": "2",
"name": "PC0",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTC, which is on the MVIO VDDIO2 domain; also USART1 TxD, SPI1 MOSI (alternate) and LUT1 IN0."
},
{
"number": "3",
"name": "PC1",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTC, which is on the MVIO VDDIO2 domain; also USART1 RxD, SPI1 MISO and LUT1 IN1."
},
{
"number": "4",
"name": "PC2",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTC, which is on the MVIO VDDIO2 domain; also TWI Fm+ SDA (master), USART1 XCK, SPI1 SCK, EVOUTC and LUT1 IN2."
},
{
"number": "5",
"name": "PC3",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTC, which is on the MVIO VDDIO2 domain; also TWI Fm+ SCL (master), USART1 XDIR, SPI1 SS and LUT1 OUT."
},
{
"number": "6",
"name": "VDDIO2",
"type": "power_in",
"description": "Supply for the MVIO port C pins; must be connected to VDD in single-supply mode."
},
{
"number": "7",
"name": "PD1",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTD; also analog input AIN1, OP0 INP, ZCIN and LUT2 IN1."
},
{
"number": "8",
"name": "PD2",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTD; also analog input AIN2, OP0 OUT, EVOUTD and LUT2 IN2."
},
{
"number": "9",
"name": "PD3",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTD; also analog input AIN3, OP0 INN and LUT2 OUT."
},
{
"number": "10",
"name": "PD4",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTD; also analog input AIN4 and OP1 INP."
},
{
"number": "11",
"name": "PD5",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTD; also analog input AIN5 and OP1 OUT."
},
{
"number": "12",
"name": "PD6",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTD; also analog input AIN6, OPAMP OUT and LUT2 OUT (alternate)."
},
{
"number": "13",
"name": "PD7",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTD; also VREFA external voltage reference, analog input AIN7, OP1 INN and EVOUTD (alternate)."
},
{
"number": "14",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply pin; internally connected to VDD on the AVR DB family."
},
{
"number": "15",
"name": "AGND",
"type": "power_in",
"description": "Analog ground pin."
},
{
"number": "16",
"name": "PF0",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTF; also XTAL32K1 32.768 kHz crystal connection, analog input AIN16, USART2 TxD and LUT3 IN0."
},
{
"number": "17",
"name": "PF1",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTF; also XTAL32K2 32.768 kHz crystal connection, analog input AIN17, USART2 RxD and LUT3 IN1."
},
{
"number": "18",
"name": "PF6",
"type": "input",
"description": "Input-only pin on PORTF; also the external RESET pin when RSTPINCFG enables external reset with pull-up on PF6."
},
{
"number": "19",
"name": "UPDI",
"type": "input",
"description": "Unified Program and Debug Interface pin, a digital input used for programming and debugging."
},
{
"number": "20",
"name": "VDD",
"type": "power_in",
"description": "Main supply pin; the device operates from 1.8 to 5.5 V."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the digital supply."
},
{
"number": "22",
"name": "PA0",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTA; also XTALHF1 high-frequency crystal connection, EXTCLK and USART0 TxD (alternate)."
},
{
"number": "23",
"name": "PA1",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTA; also XTALHF2 high-frequency crystal connection and USART0 RxD."
},
{
"number": "24",
"name": "PA2",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTA; also TWI Fm+ SDA (master), USART0 XCK, TCA0 WO2, EVOUTA and LUT0 IN2."
},
{
"number": "25",
"name": "PA3",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTA; also TWI Fm+ SCL (master), USART0 XDIR, TCA0 WO3 and LUT0 OUT."
},
{
"number": "26",
"name": "PA4",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTA; also USART0 TxD (alternate), SPI0 MOSI, TCA0 WO4 and WOA."
},
{
"number": "27",
"name": "PA5",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTA; also USART0 RxD (alternate), SPI0 MISO, TCA0 WO5 and WOB."
},
{
"number": "28",
"name": "PA6",
"type": "bidirectional",
"description": "General purpose I/O pin on PORTA; also USART0 XCK (alternate), SPI0 SCK, WOC and LUT0 OUT (alternate)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin-to-number mapping comes from the I/O Multiplexing table (pages 18-19, SOIC28/SSOP28 column) "
],
"pages_sent": 104,
"cost_usd": 0.1034,
"at": "2026-11-02T17:00:12"
},
"datasheet": {
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"metadata": {
"specs": {
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"Package": "SSOP-28-208mil",
"Category": "Embedded Processors & Controllers",
"Pins": "28"
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"characteristics": {
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"conditions": "Ordering table, AVR128DB28-I/SS (28-pin SSOP, -40°C to +85°C)",
"source_page": 628,
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"conditions": "Ordering table, AVR128DB28-I/SS (-I grade)",
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"email": "[email protected]"
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