component
HC89S105AC8T7M
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Shanghai Holychip Elec Microcontroller Units (MCUs/MPUs/SOCs), LQFP-48(7x7). Datasheet-verified pinout, 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
markdownHC89S105AC8T7M
Shanghai Holychip Elec · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-48(7x7)
HC89S105AC8T7M from Shanghai Holychip Elec, in a LQFP-48(7x7). 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 | P3.7/INT7/SCK | bidirectional | General purpose I/O port; can function as external interrupt 7 input or dual-wire simulation download clock input |
| 2 | P5.4/XOUT | bidirectional | General purpose I/O port; can function as external crystal oscillator output |
| 3 | P5.5/XIN | bidirectional | General purpose I/O port; can function as external crystal oscillator input |
| 4 | P4.0 | bidirectional | General purpose I/O port |
| 5 | GND | power_in | Power supply ground |
| 6 | P4.1 | bidirectional | General purpose I/O port |
| 7 | VDD | power_in | Power supply input 2.0V-5.5V |
| 8 | P2.1/ADC9/INT9/TCK | bidirectional | General purpose I/O port; ADC input, external interrupt 9 input, JTAG clock input |
| 9 | P2.2/ADC10/INT10/TDI | bidirectional | General purpose I/O port; ADC input, external interrupt 10 input, JTAG data input |
| 10 | P2.3/ADC11/INT11/TMS | bidirectional | General purpose I/O port; ADC input, external interrupt 11 input, JTAG mode input |
| 11 | P2.4/ADC12/INT12/TDO | bidirectional | General purpose I/O port; ADC input, external interrupt 12 input, JTAG data output |
| 12 | P5.0/ADC24 | bidirectional | General purpose I/O port; ADC input |
| 13 | P2.0/ADC8/INT8 | bidirectional | General purpose I/O port; ADC input, external interrupt 8 input |
| 14 | P4.4 | bidirectional | General purpose I/O port |
| 15 | P5.1/ADC25 | bidirectional | General purpose I/O port; ADC input |
| 16 | P2.5/ADC13/INT13/Vref | bidirectional | General purpose I/O port; ADC input, external interrupt 13 input, ADC external reference voltage input/output |
| 17 | P2.6 | bidirectional | General purpose I/O port with ADC14/INT14 alternate functions |
| 18 | P2.7/ADC15/INT15 | bidirectional | General purpose I/O port; ADC input, external interrupt 15 input |
| 19 | P0.7/ADC23 | bidirectional | General purpose I/O port; ADC input |
| 20 | P0.6/ADC22 | bidirectional | General purpose I/O port; ADC input |
| 21 | P0.5/ADC21 | bidirectional | General purpose I/O port; ADC input |
| 22 | P0.4/ADC20 | bidirectional | General purpose I/O port; ADC input |
| 23 | P0.3/ADC19 | bidirectional | General purpose I/O port; ADC input |
| 24 | P0.2/ADC18 | bidirectional | General purpose I/O port; ADC input |
| 25 | P0.1/ADC17/CMP3+ | bidirectional | General purpose I/O port; ADC input, comparator positive input 3 |
| 26 | P0.0/ADC16/CMP2+ | bidirectional | General purpose I/O port; ADC input, comparator positive input 2 |
| 27 | P4.2/PLVD/CMP- | bidirectional | General purpose I/O port; port low voltage detection, comparator negative input |
| 28 | P1.0/ADC0/CMP1+ | bidirectional | General purpose I/O port; ADC input, comparator positive input 1 |
| 29 | P1.1/ADC1 | bidirectional | General purpose I/O port; ADC input |
| 30 | P1.2/ADC2 | bidirectional | General purpose I/O port; ADC input |
| 31 | P4.5 | bidirectional | General purpose I/O port |
| 32 | P4.6 | bidirectional | General purpose I/O port |
| 33 | P1.3/ADC3 | bidirectional | General purpose I/O port; ADC input |
| 34 | P1.4/ADC4 | bidirectional | General purpose I/O port; ADC input |
| 35 | P5.2 | bidirectional | General purpose I/O port |
| 36 | P5.3/ADC26 | bidirectional | General purpose I/O port; ADC input |
| 37 | P1.5/ADC5 | bidirectional | General purpose I/O port; ADC input |
| 38 | P1.6/ADC6 | bidirectional | General purpose I/O port; ADC input |
| 39 | P1.7/ADC7 | bidirectional | General purpose I/O port; ADC input |
| 40 | P4.7/RST | input | External reset input pin with Schmitt input and pull-up; can be configured as GPIO |
| 41 | P3.0/INT2 | bidirectional | General purpose I/O port; can function as external interrupt 2 input |
| 42 | P4.3/SDA | bidirectional | General purpose I/O port; can function as dual-wire simulation download data input/output |
| 43 | P3.1/INT3/ADC27 | bidirectional | General purpose I/O port; external interrupt 3 input, ADC input |
| 44 | P3.2/ADC28 | bidirectional | General purpose I/O port; ADC input |
| 45 | P3.3/ADC29 | bidirectional | General purpose I/O port; ADC input |
| 46 | P3.4/INT4/ADC30 | bidirectional | General purpose I/O port; external interrupt 4 input, ADC input |
| 47 | P3.5/INT5/ADC31 | bidirectional | General purpose I/O port; external interrupt 5 input, ADC input |
| 48 | P3.6/INT6 | bidirectional | General purpose I/O port; can function as external interrupt 6 input |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Holychip Elec |
| Package | LQFP-48(7x7) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
HC89S105AC8T7M - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
hc89s105ac8t7m-etched.step/hc89s105ac8t7m-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hc89s105ac8t7m.step/hc89s105ac8t7m.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Holychip Elec datasheet (221 pp, sha256
388fe473ea71f165, retrieved 2026-09-21, 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: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).