HT46RB50 is an 8-bit high-performance reduced instruction set microcontroller specifically designed for USB products. It is particularly suitable for USB or SPI interface products, such as digital cameras, audio players, printers, etc.
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.
| System Clock Frequency | 6 MHz (2.2 V‑5.5 V) or 12 MHz (2.7 V‑5.5 V) |
|---|---|
| ADC | 8 channels, 10‑bit resolution |
| PWM Outputs | 2 channels, 8‑bit |
| I/O Pins | Up to 38 bidirectional I/O pins |
| USB Interface | USB 1.1 full‑speed, 4 endpoints (including EP0) |
| Package Types | 28‑pin SOP‑SKDIP, 48‑pin SSOP |
| Operating Temperature | -40 °C to 125 °C |
The device can run at 6 MHz with a supply of 2.2 V‑5.5 V or at 12 MHz with a supply of 2.7 V‑5.5 V.
The microcontroller provides up to 38 bidirectional I/O pins.
Yes, it includes a USB 1.1 full‑speed controller with up to four endpoints, including endpoint 0.
It features an 8‑channel, 10‑bit analog‑to‑digital converter.