Key facts
- Brand
- Holtek
- Model
- HT46R54A
- Category
- microcontrollers
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2022-09-24
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HOLTEK HT46R53A/HT46R54A A/D Type 8-Bit OTP microcontroller Manual
The HT46R53A and HT46R54A are 8‑bit high‑performance OTP microcontrollers with an integrated 12‑bit, 8‑channel A/D converter. They offer low power consumption, multiple I/O pins, timers, PWM, and wake‑up functions, making them suitable for sensor interfaces, motor control, and other embedded applications.
The manual includes a complete overview of the device architecture, pin‑out tables, electrical characteristics, memory organization, program counter operation, and interrupt handling. It also provides package dimensions, ordering information, and contact details for Holtek worldwide. This manual is written in Chinese.
Holtek HT46R54A specifications
| Program Memory (HT46R53A) | 2K x 15 OTP |
|---|---|
| Data RAM (HT46R53A) | 192 x 8 RAM |
| A/D Converter Resolution | 12 Bits |
| Operating Voltage (fSYS=4MHz) | 2.2V~5.5V |
All Holtek HT46R54A documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the operating voltage range for fSYS=4MHz?
The operating voltage range is 2.2V to 5.5V.
What are the maximum dimensions for storage temperature?
The device can be stored between -50°C and 125°C.
What is the operating voltage range of the HT46R53A/HT46R54A?
The device operates from 2.2 V up to 5.5 V.
From: HOLTEK HT46R53A/HT46R54A A/D Type 8-Bit OTP microcontroller Manual
How many I/O pins does the microcontroller provide?
It provides 22 bidirectional I/O pins.
From: HOLTEK HT46R53A/HT46R54A A/D Type 8-Bit OTP microcontroller Manual