Key facts
- Brand
- Holtek
- Model
- HT46R23
- Documents
- 4
- Languages
- ZH
- Last added
- 2012-03-12
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Holtek HT46R47/HT46R22/HT46R23/HT46R24 A/D Microcontroller User Manual
This manual provides detailed information on the HT46R47, HT46R22, HT46R23 and HT46R24 A/D‑type microcontrollers, including hardware structure, system block diagram, pin assignments, and the full register set. It also describes the integrated multi‑channel A/D converter, PWM modules, I²C interface, timers, interrupt system, low‑voltage reset and power‑down features.
The third part of the document introduces Holtek’s development environment, including the HT‑IDE IDE, HT‑ICE emulator and OTP programming tools, with step‑by‑step instructions for creating projects, compiling code and programming the devices. This manual is written in Chinese.
Holtek HT46R23 specifications
| Operating Voltage (4 MHz) | 2.2 V – 5.5 V |
|---|---|
| Operating Voltage (8 MHz) | 3.3 V – 5.5 V |
| Power Consumption (5 V, 4 MHz) | Typical 2 mA |
| Operating Temperature Range | -40 °C to 85 °C |
| Program Memory (HT46R47/HT46R22) | 2 K × 14‑bit OTP/Mask ROM |
| Data Memory (HT46R47/HT46R22) | 64 × 8 bit SRAM |
Source: Holtek HT46R47/HT46R22/HT46R23/HT46R24 A/D Microcontroller User Manual
All Holtek HT46R23 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating voltage range for the HT46R series?
The devices operate from 2.2 V to 5.5 V at 4 MHz and from 3.3 V to 5.5 V at 8 MHz.
From: Holtek HT46R47/HT46R22/HT46R23/HT46R24 A/D Microcontroller User Manual
How much power does the microcontroller consume at 5 V and 4 MHz?
Typical power consumption is 2 mA under those conditions.
From: Holtek HT46R47/HT46R22/HT46R23/HT46R24 A/D Microcontroller User Manual
How many bidirectional I/O pins does the HT46R23/HT46C23 provide?
It provides up to 23 bidirectional I/O pins.
From: HOLTEK HT46R23/HT46C23 A/D Type 8-Bit microcontroller Manual
What is the resolution and number of channels of the built‑in A/D converter?
The microcontroller includes an 8‑channel, 10‑bit A/D converter.
From: HOLTEK HT46R23/HT46C23 A/D Type 8-Bit microcontroller Manual
What is the low‑voltage‑reset (LVR) voltage range?
The LVR activates when the supply voltage falls between 0.9 V and the LVR threshold.
From: Holtek HT46R47/HT46R22/HT46R23/HT46R24 A/D Microcontroller User Manual
What temperature range can the microcontrollers operate in?
They operate from –40 °C to 85 °C, with storage temperatures from –50 °C to 125 °C.
From: Holtek HT46R47/HT46R22/HT46R23/HT46R24 A/D Microcontroller User Manual