HD6477021X20V
IC MCU 32BIT 32KB OTP 100TQFP

Embedded Microcontrollers
100-TQFP
SuperH® SH7020
Obsolete
$53.91 / unit (market reference)
MOQ: 6 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | HD6477021X20V |
| Package / Case | 100-TQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 75°C (TA) |
| Core Processor | SH-1 |
| Speed | 20MHz |
| Program Memory Size | 32KB (32K x 8) |
| RAM Size | 1K x 8 |
| Number of I/O | 32 |
| Voltage - Supply | 4.5V ~ 5.5V |
| Connectivity | EBI/EMI, SCI |
| Peripherals | DMA, POR, PWM, WDT |
| Supplier Device Package | 100-TQFP (14x14) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
HD6477021X20V by Rochester Electronics, LLC is a SH-1 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 100-TQFP package fits automated SMT assembly. Operating temperature is -20°C ~ 75°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 20MHz |
| RAM Size | 1K x 8 |
| Core Size | 32-Bit |
| Peripherals | DMA, POR, PWM, WDT |
| Connectivity | EBI/EMI, SCI |
| Number of I/O | 32 |
| Core Processor | SH-1 |
| Oscillator Type | Internal |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | OTP |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
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