Key facts
- Brand
- Holtek
- Model
- HT46
- Category
- Other device
- Industry
- Electronics
- Documents
- 15
- Languages
- EN · ZH · JA
- Last added
- 2012-06-05
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Holtek HT46RB50 Microcontroller User Manual
This manual describes the HT46RB50 8‑bit microcontroller, covering its architecture, pin functions, and peripheral features such as USB 1.1, ADC, and PWM. It includes information on package options (28‑pin SOP‑SKDIP and 48‑pin SSOP) and how to configure the device for various applications.
The document also lists electrical and timing characteristics, memory organization, interrupt handling, and programming guidelines, helping designers integrate the chip into their projects while ensuring reliable operation within the specified temperature and voltage ranges. This manual is written in Japanese.
Holtek HT46 specifications
| Architecture | 8-bit, RISC |
|---|---|
| Program Memory (HT46R32) | 2048x14 bits |
| Program Memory (HT46R34) | 4096x15 bits |
| Data Memory (HT46R32) | 88x8 bits |
| Data Memory (HT46R34) | 192x8 bits |
| A/D Converter Resolution | 12 Bits |
| Operating Voltage (4MHz) | 2.2V to 5.5V |
| Operating Voltage (8MHz) | 3.3V to 5.5V |
| Package Type | 28-pin SKDIP/SOP/SSOP |
Source: Holtek HT46R32/HT46R34 A/D Type 8-Bit OTP MCU Datasheet
All Holtek HT46 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.
Instruction set, parameters and examples for configuring or programming the device.
- HOLTEK SEMICONDUCTO HT46R47 HT46R22 HT46R23 HT46R24 A/D microcontroller Manual
- HOLTEK HT46R22/46C22 microcontroller Manual
- HOLTEK HT46R46/C46/R47/C47/R48A/C48A/R49 Manual
- HOLTEK HT46R22/46C22 A/D Type 8-Bit microcontroller Manual
- HOLTEK HT46R22/HT46C22 A/D Type 8-Bit microcontroller Manual
- HOLTEK HT46R32/HT46R34 A/D+OPA Type 8-Bit microcontroller Manual
- HOLTEK HT46R62/HT46C62 A/D+LCD Type 8-Bit microcontroller Manual
Questions answered in these manuals
What is the resolution of the integrated A/D converter?
The device features a 4-channel, 12-bit resolution A/D converter.
From: Holtek HT46R32/HT46R34 A/D Type 8-Bit OTP MCU Datasheet
Can the internal operational amplifier be configured as a comparator?
Yes, an integrated single operational amplifier or comparator is selectable via configuration option.
From: Holtek HT46R32/HT46R34 A/D Type 8-Bit OTP MCU Datasheet
What is the operating voltage range for the HT46R22/HT46C22?
The device operates from 2.2 V to 5.5 V at 4 MHz and from 4.5 V to 5.5 V at 8 MHz.
How many bidirectional I/O lines does the HT46R22/HT46C22 provide?
It provides 19 bidirectional I/O lines.
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