AT7991 - Uncategorized Microchip - Free user manual and instructions
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| Product Type | Microcontroller |
| Brand | Microchip |
| Model | AT7991 |
| Category | Uncategorized |
| Package Type | QFN (Quad Flat No-leads) |
| Package Size | 5 x 5 mm |
| Number of Pins | 32 |
| Operating Voltage | 1.8V to 5.5V |
| Operating Temperature | -40°C to +85°C |
| Clock Speed | Up to 20 MHz |
| Flash Memory | 8 KB |
| RAM | 512 bytes |
| Digital I/O Pins | 27 |
| Analog Inputs | 4 (10-bit ADC) |
| Communication Interfaces | UART, SPI, I2C |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Power Consumption | Active: 5 mA, Sleep: 1 µA |
| Weight | 2 g |
| Care Instructions | Handle with ESD precautions; avoid moisture |
| Safety Precautions | Avoid static discharge; do not exceed voltage ratings |
| Spare Parts | Not applicable (integrated circuit) |
| Repairability | Not user-serviceable; replace entire unit |
Frequently Asked Questions - AT7991 Microchip
What is the Microchip AT7991?
The AT7991 is a microcontroller from Microchip Technology, designed for embedded control applications.
What is the operating voltage range of the AT7991?
The AT7991 operates from 1.8V to 5.5V, making it suitable for battery-powered devices.
What package does the AT7991 come in?
It is available in a QFN (Quad Flat No-leads) package with 32 pins, size 5x5 mm.
What is the maximum clock speed of the AT7991?
The maximum clock speed is 20 MHz.
How much flash memory does the AT7991 have?
It has 8 KB of flash memory for program storage.
Does the AT7991 have analog inputs?
Yes, it includes 4 channels of 10-bit analog-to-digital converter (ADC).
What communication interfaces are supported?
The AT7991 supports UART, SPI, and I2C interfaces.
What is the power consumption of the AT7991?
Typical active current is 5 mA and sleep current is as low as 1 µA.
Can I program the AT7991 with Arduino?
While not directly supported by Arduino IDE, it can be programmed using Microchip Studio or AVR GCC.
What is the operating temperature range?
The AT7991 is rated for -40°C to +85°C.
User questions about AT7991 Microchip
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USER MANUAL AT7991 Microchip
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Product information
Brand : Microchip
Model : AT7991
Category : Uncategorized