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HT5019
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HiTrend Tech Shanghai Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). 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
markdownHT5019
HiTrend Tech Shanghai · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
HT5019 from HiTrend Tech Shanghai, 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 | OSCI | input | External 32 kHz low-frequency clock input. |
| 2 | PE.9 | bidirectional | General-purpose I/O PE.9, also LVDIN1 external supply-voltage detection input monitored against a 1.21 V threshold. |
| 3 | PA.12 | bidirectional | General-purpose I/O PA.12, also SEG35 LCD segment and ADCIN0 external voltage sampling input with 2 us filter. |
| 4 | PF.0 | bidirectional | General-purpose I/O PF.0, default active-energy pulse output PFOUT with 5 mA drive capability (configurable via EMCON). |
| 5 | VREF | power_in | 1.185 V metering reference voltage output, requires external filter capacitors of 0.1 uF and 1 uF. |
| 6 | AVREG | power_out | 2.8 V internal analog supply output, requires external filter capacitors of 0.1 uF and 10 uF. |
| 7 | V1P | input | Current channel 1 analog signal input (positive), with internal ESD protection; maximum signal ±800 mVp. |
| 8 | V1N | input | Current channel 1 analog signal input (negative), with internal ESD protection; maximum signal ±800 mVp. |
| 9 | V2P | input | Current channel 2 analog signal input (positive), with internal ESD protection; maximum signal ±800 mVp. |
| 10 | V3P | input | Voltage channel analog signal input (positive), with internal ESD protection; maximum signal ±800 mVp. |
| 11 | AVSS | power_in | Analog ground. |
| 12 | PA.7 | bidirectional | General-purpose I/O PA.7, also INT2 external interrupt and SEG33 LCD segment, with 2 us filter and 30 mA drive capability. |
| 13 | PB.0 | bidirectional | General-purpose I/O PB.0, also SEG0 LCD segment output. |
| 14 | PB.1 | bidirectional | General-purpose I/O PB.1, also SEG1 LCD segment output. |
| 15 | PB.2 | bidirectional | General-purpose I/O PB.2, also SEG2 LCD segment output. |
| 16 | PB.3 | bidirectional | General-purpose I/O PB.3, also SEG3 LCD segment output. |
| 17 | PB.4 | bidirectional | General-purpose I/O PB.4, also SEG4 LCD segment output. |
| 18 | PB.5 | bidirectional | General-purpose I/O PB.5, also SEG5 LCD segment output. |
| 19 | VDD1P5 | power_out | Internal 1.5 V regulated output for the digital core; requires an external 0.1 uF filter capacitor. |
| 20 | PA.6 | bidirectional | General-purpose I/O PA.6, also INT1, SCANIN1 and JTAGWDTEN (JTAG_WDTEN input when TEST=0), with 2 us filter and 30 mA drive capability. |
| 21 | TEST | input | Test-mode pin with 2 us filter and internal constant pull-up; TEST=0 selects debug mode and TEST=0 with JTAGWDTEN=1 selects test mode. |
| 22 | PB.13 | bidirectional | General-purpose I/O PB.13, also SEG13 LCD segment and SWIO serial-wire debug data. |
| 23 | PB.14 | bidirectional | General-purpose I/O PB.14, also SEG14 LCD segment output. |
| 24 | PB.15 | bidirectional | General-purpose I/O PB.15, also SEG15 LCD segment and SWCLK serial-wire debug clock. |
| 25 | PD.14 | bidirectional | General-purpose I/O PD.14, also COM6/SEG26 LCD output. |
| 26 | PD.15 | bidirectional | General-purpose I/O PD.15, also COM7/SEG27 LCD output. |
| 27 | PE.1 | bidirectional | General-purpose I/O PE.1, also UART2 transmit TX4 and TOUT2 second-pulse output, with 5 mA drive capability. |
| 28 | PE.2 | bidirectional | General-purpose I/O PE.2, also UART2 receive RX4 / 7816_0 input with 2 us filter. |
| 29 | PE.3 | bidirectional | General-purpose I/O PE.3, also CLKOUT clock output for ESAM/card clock. |
| 30 | PE.4 | bidirectional | General-purpose I/O PE.4, also UART3 receive RX3 / 7816_1 input with 2 us filter. |
| 31 | PE.5 | bidirectional | General-purpose I/O PE.5, also UART3 transmit TX3. |
| 32 | VDD | power_in | Internal power input for the digital supply; must be connected externally to the other VDD pin (pin 47). |
| 33 | PD.3 | bidirectional | General-purpose I/O PD.3, also SEG19 LCD segment and SCANOUT1 keypad scan output with 5 mA drive capability. |
| 34 | PD.2 | bidirectional | General-purpose I/O PD.2, also SEG18 LCD segment and SCANOUT0 keypad scan output with 5 mA drive capability. |
| 35 | PA.8 | bidirectional | General-purpose I/O PA.8, also INT3 external interrupt and SEG34 LCD segment, with 2 us filter and 30 mA drive capability. |
| 36 | PC.3 | bidirectional | General-purpose I/O PC.3, also UART0 transmit TX0. |
| 37 | PC.2 | bidirectional | General-purpose I/O PC.2, also UART0 receive RX0 with 2 us filter. |
| 38 | PD.13 | bidirectional | General-purpose I/O PD.13, also COM5/SEG25 LCD output. |
| 39 | PD.12 | bidirectional | General-purpose I/O PD.12, also COM4/SEG24 LCD output. |
| 40 | PD.11 | bidirectional | General-purpose I/O PD.11, also COM3 LCD common output. |
| 41 | PD.10 | bidirectional | General-purpose I/O PD.10, also COM2 LCD common output. |
| 42 | PD.9 | bidirectional | General-purpose I/O PD.9, also COM1 LCD common output. |
| 43 | PD.8 | bidirectional | General-purpose I/O PD.8, also COM0 LCD common output. |
| 44 | PA.5 | bidirectional | General-purpose I/O PA.5, also INT0 external interrupt and SCANIN0 keypad scan input, with 2 us filter. |
| 45 | VBAT | power_in | Battery power input; absolute input voltage limit 3.6 V. |
| 46 | VSYS | power_in | System power input; monitored by VSYS_DET for switching between VSYS and VBAT supply. |
| 47 | VDD | power_out | System power output (VDD); must be connected externally to the other VDD pin (pin 32). |
| 48 | OSCO | output | External low-frequency clock drive output for the 32 kHz crystal. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HiTrend Tech Shanghai |
| 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 |
|---|---|---|---|---|---|---|---|
| 输入电源 VCC (DC参数) | VCC | 2.2 | 3.3 | 5.5 | V | 输入电源引脚上的电压 | 256 |
| 工作电压范围 | 2 | 5.5 | V | 10 | |||
| 工作温度范围 | -40 | 85 | ℃ | 10 | |||
| 输入电源 VCC (极限参数) | VCC | 2.2 | 5.5 | V | 输入电源引脚上的电压 | 257 | |
| 输入电压 (所有数字引脚) | Vi | 0 | 5.5 | V | 所有的数字引脚 | 257 | |
| ADC 输入极限电压 | Via | 0 | 1.5 | V | 测试 ADC 引脚输入电压，高于此电压可能会导致该引脚损坏 | 257 | |
| VBAT 输入极限电压 | Vib | 0 | 3.6 | V | 测试 VBAT 引脚输入电压，高于此电压可能会导致该引脚损坏 | 257 | |
| 输入电流 (VCC 电源引脚) | Idd | 50 | mA | VCC 电源引脚 | 257 | ||
| 地上电流 (所有 GND 引脚) | Iss | 50 | mA | 所有 GND 引脚 | 257 | ||
| 存储温度 | Tstg | -65 | 150 | ℃ | 芯片的极限存储温度 | 258 | |
| 静态 ESD (HBM) ADC 输入引脚 | Vesd | -6000 | 6000 | V | HBM, ADC 输入引脚 | 258 | |
| 静态 ESD (HBM) 芯片所有引脚 | Vesd | -8000 | 8000 | V | HBM, 芯片所有的引脚 | 258 |
CAD (KiCad official)
- Symbol:
HT5019 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
ht5019-etched.step/ht5019-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ht5019.step/ht5019.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HiTrend Tech Shanghai datasheet (262 pp, sha256
ca455c807ac53a76, retrieved 2026-10-19, 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 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).