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HC18P122L-SOP16-T
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Shanghai Holychip Elec Microcontroller Units (MCUs/MPUs/SOCs), SOP-16. Pinout reviewed by a person 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
markdownHC18P122L-SOP16-T
Shanghai Holychip Elec · Microcontroller Units (MCUs/MPUs/SOCs) · SOP-16
HC18P122L-SOP16-T from Shanghai Holychip Elec, 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 | PORTA0 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 0 analog input, 12-bit PWM0 output, and programming clock input. |
| 2 | PORTB2 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 11 analog input and INT0 external interrupt input. |
| 3 | VDD | power_in | Power supply input voltage, operating range 2.4V to 5.5V. |
| 4 | PORTA2 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 2 analog input and internal RC oscillator output in test mode. |
| 5 | PORTB1 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 10 analog input. |
| 6 | VSS | power_in | Power supply ground (negative voltage reference). |
| 7 | PORTA1 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 1 analog input, 12-bit PWM01 output with fixed phase relationship to PWM0, and programming data input/output. |
| 8 | PORTA4 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 4 analog input and ADC reference voltage input (VREF). |
| 9 | PORTB0 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 9 analog input. |
| 10 | PORTF2 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt. |
| 11 | PORTF1 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt. |
| 12 | PORTF0 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt. |
| 13 | PORTF3 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt. |
| 14 | PORTA7 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 7 analog input. |
| 15 | PORTA6 | bidirectional | Input/output port with programmable pull-up/pull-down and port level change interrupt; supports ADC channel 6 analog input. |
| 16 | PORTB5 | bidirectional | Input/output port capable of only outputting logic 0 with port level change interrupt; also serves as reset input (MCLRB, active low), programming high voltage power input (VPP), and PWM fault detection input (FLT). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Holychip Elec |
| Package | SOP-16 |
| Category | Single Chip Microcomputer/Microcontroller |
| 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 |
|---|---|---|---|---|---|---|---|
| VDD 工作电压 (Operating voltage) | VDD | 2.4 | 5.5 | V | Fsys = 8MHz，2T | 11 | |
| VDD 工作电压 (Operating voltage) | VDD | 3.6 | 5.5 | V | Fsys = 16MHz，2T | 11 | |
| Isb4 静态电流 (Standby current) | Isb4 | 1 | μA | VDD 3V; 休眠模式，WDT 禁止，无负载 | 11 | ||
| 外部高频晶振 (External high-frequency crystal) | FOSH | 4 | 20 | MHz | 3.0~5.5V | 12 | |
| VDD 上升时间 (VDD rise time) | TVDD | 100 | ms | VDD 5V | 12 | ||
| 欠压复位响应时间 (BOR response time) | TBOR | 100 | ns | VDD 5V | 12 | ||
| 复位脉冲时间 (Reset pulse time) | TMCLRB | 200 | us | VDD 5V | 12 | ||
| 储存温度 (Storage temperature) | -50 | 125 | ℃ | 11 | |||
| 工作温度 (Operating temperature) | -40 | 85 | ℃ | 11 | |||
| 电源供应电压 (Supply voltage) | -0.3 | 6 | V | printed as VSS-0.3V~VSS+6.0V (offsets from VSS) | 11 | ||
| 端口输入电压 (Port input voltage) | -0.3 | 0.3 | V | printed as VSS-0.3V~VDD+0.3V (offsets from VSS and VDD) | 11 |
CAD (KiCad official)
- Symbol:
HC18P122L-SOP16-T - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files:
hc18p122l-sop16-t-etched.step/hc18p122l-sop16-t-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hc18p122l-sop16-t.step/hc18p122l-sop16-t.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Holychip Elec datasheet (91 pp, sha256
0ac16955667b6bf6, retrieved 2026-10-21, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).