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PMS171B-S16
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PADAUK Tech Microcontrollers (MCU/MPU/SOC), SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownPMS171B-S16
PADAUK Tech · Microcontrollers (MCU/MPU/SOC) · SOP-16
PMS171B-S16 from PADAUK Tech, in a SOP-16. 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 | PB4/AD4/TM2PWM | bidirectional | Port B bit 4 digital I/O with optional pull-high, ADC channel 4 analog input, or Timer2 PWM output; clear bit 4 of pbdier when used as analog input. |
| 2 | PB5/AD5/TM3PWM/INT0A | bidirectional | Port B bit 5 digital I/O with optional pull-high, ADC channel 5 input, Timer3 PWM output, or external interrupt line 0A (rising, falling or both edges). |
| 3 | PB6/AD6/CIN4-/TM3PWM | bidirectional | Port B bit 6 digital I/O with optional pull-high or pull-low, ADC channel 6 input, comparator minus input 4, or Timer3 PWM output. |
| 4 | PB7/AD7/CIN5-/TM3PWM | bidirectional | Port B bit 7 digital I/O with optional pull-high (PMOS super large current output, typ. 135mA at VDD=5.0V), ADC channel 7 input, comparator minus input 5, or Timer3 PWM output. |
| 5 | VDD/AVDD | power_in | Positive supply for the digital core and the ADC (double-bonded internally), operating range 1.8V to 5.5V. |
| 6 | PA7/X1 | bidirectional | Port A bit 7 digital I/O with optional pull-high, or crystal XIN; clear bit 7 of padier when a crystal is used to avoid leakage current. |
| 7 | PA6/X2 | bidirectional | Port A bit 6 digital I/O with optional pull-high, or crystal XOUT; clear bit 6 of padier when a crystal is used to avoid leakage current. |
| 8 | PA5/PRSTB | bidirectional | Port A bit 5 input or open-drain output, or hardware reset input; VIL max is 0.1 VDD, and a 33 ohm series resistor is advised for noise immunity. |
| 9 | PA3/AD8/CIN0-/TM2PWM | bidirectional | Port A bit 3 digital I/O with optional pull-high, ADC channel 8 input, comparator minus input 0, or Timer2 PWM output. |
| 10 | PA4/AD9/CIN+/CIN1-/INT1A | bidirectional | Port A bit 4 digital I/O with optional pull-high, ADC channel 9 input, comparator plus input or minus input 1, or external interrupt line 1A. |
| 11 | PA0/AD10/CO/INT0 | bidirectional | Port A bit 0 digital I/O with optional pull-high, ADC channel 10 input, comparator output, or external interrupt line 0. |
| 12 | GND/AGND | power_in | Digital and analog ground (double-bonded internally to one external pin). |
| 13 | PB0/TM2PWM/INT1 | bidirectional | Port B bit 0 input or open-drain output (NMOS super large current sink, typ. 135mA at VDD=5.0V), Timer2 PWM output, or external interrupt line 1. |
| 14 | PB1/AD1/Vref | bidirectional | Port B bit 1 digital I/O with optional pull-high, ADC channel 1 input, or external ADC reference high voltage. |
| 15 | PB2/AD2/TM2PWM | bidirectional | Port B bit 2 digital I/O with optional pull-high, ADC channel 2 input, or Timer2 PWM output. |
| 16 | PB3/AD3 | bidirectional | Port B bit 3 digital I/O with optional pull-high or pull-low, or ADC channel 3 analog input. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PADAUK Tech |
| Package | SOP-16 |
| Category | Embedded Processors & Controllers |
| Pins | 16 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Voltage | VDD | 1.8 | 5 | 5.5 | V | Subject to LVR tolerance | 16 |
| Low Voltage Reset Tolerance | LVR% | -5 | 5 | % | 16 | ||
| Input low voltage for IO lines (PA5) | VIL | 0 | 0.1 | V | PA5; max printed as 0.1 VDD | 16 | |
| Input low voltage for IO lines (other IO) | VIL | 0 | 0.2 | V | other IO; max printed as 0.2 VDD | 16 | |
| Input high voltage for IO lines (PA5) | VIH | 0.8 | V | PA5; min printed as 0.8 VDD, max VDD | 16 | ||
| Input high voltage for IO lines (other IO) | VIH | 0.7 | V | other IO; min printed as 0.7 VDD, max VDD | 16 | ||
| Input voltage | VIN | -0.3 | 0.3 | V | max printed as VDD +0.3 | 16 | |
| Injected current on pin | IINJ(PIN) | 1 | mA | VDD +0.3≧VIN≧ -0.3 | 16 | ||
| Band-gap Reference Voltage | VBG | 1.145 | 1.2 | 1.255 | V | VDD=1.8V~5.5V, -20C<Ta<70C | 16 |
| Power Down Current | IPD | 0.6 | 1 | uA | fSYS=0Hz, VDD=5.0V (max 1) / VDD=3.3V (0.6) | 16 | |
| Power Save Current | IPS | 3 | uA | VDD=5.0V; fSYS=ILRC; only ILRC enabled | 16 | ||
| Operating Current (IHRC/16) | IOP | 0.7 | mA | fSYS=IHRC/16=[email protected] | 16 | ||
| Operating Current (ILRC) | IOP | 35 | uA | fSYS=ILRC=[email protected] | 16 | ||
| Power On Reset Voltage | VPOR | 1.8 | V | Subject to LVR tolerance | 17 | ||
| IHRC frequency after calibration | fIHRC | 15.76 | 16 | 16.24 | MHz | 25C, VDD=2.0V~5.5V | 17 |
| IHRC frequency after calibration | fIHRC | 15.2 | 16.8 | MHz | VDD=2.0V~5.5V, 0C<Ta<70C | 17 | |
| IHRC frequency after calibration | fIHRC | 13.6 | 18.4 | MHz | VDD=1.8V~5.5V, 0C<Ta<70C | 17 | |
| Interrupt pulse width | tINT | 30 | ns | VDD = 5.0V | 17 | ||
| ADC Input Voltage | VADC | 0 | 5.5 | V | max printed as VDD | 17 | |
| ADC Differential NonLinearity | AD DNL | -2 | 2 | LSB | 17 | ||
| ADC Integral NonLinearity | AD INL | -4 | 4 | LSB | 17 | ||
| ADC offset | ADos | -5 | 5 | mV | @ VDD =3V | 17 | |
| RAM data retention voltage | VDR | 1.5 | V | in stop mode | 17 | ||
| System boot-up period, Normal boot-up | tSBP | 55 | ms | VDD =5V | 17 | ||
| System boot-up period, Fast boot-up | tSBP | 820 | us | VDD =5V | 17 | ||
| External reset pulse width | tRST | 120 | us | @ VDD =5V | 17 | ||
| Comparator offset | CPos | 10 | 20 | mV | printed ±10 typ, ±20 max | 17 | |
| Comparator input common mode | CPcm | 0 | V | max printed as VDD -1.5 | 17 | ||
| Comparator response time | CPspt | 100 | 500 | ns | Both Rising and Falling | 17 | |
| Stable time to change comparator mode | CPmc | 2.5 | 7.5 | us | 17 | ||
| Comparator current consumption | CPcs | 20 | uA | VDD = 3.3V | 17 | ||
| Supply Voltage (absolute maximum) | 1.8 | 5.5 | V | 18 | |||
| Input Voltage (absolute maximum) | -0.3 | 0.3 | V | max printed as VDD + 0.3V | 18 | ||
| Operating Temperature | -20 | 70 | °C | 18 | |||
| Junction Temperature | 150 | °C | 18 | ||||
| Storage Temperature | -50 | 125 | °C | 18 |
CAD (KiCad official)
- Symbol:
PMS171B-S16 - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files:
pms171b-s16-etched.step/pms171b-s16-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pms171b-s16.step/pms171b-s16.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PADAUK Tech datasheet (87 pp, sha256
453a9f3cfe4078e5, retrieved 2026-10-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).