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Contents

README

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HT5019

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht5019.step / ht5019.glb are 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, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF