ATTINY24A-SSU belongs to The high-performance Microchip picoPower® 8-bit AVR® RISC-based microcontroller of microchip.

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Product Description

The ATTINY24A-SSU combines 2 KB ISP Flash memory, 128B EEPROM, 128B SRAM, 12 general purpose I/O lines, 32 general purpose working registers, an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter with two PWM channels, internal and external interrupts, an 8-channel 10-bit A/D converter, programmable gain stage (1x, 20x) for 12 differential ADC channel pairs, programmable watchdog timer with internal oscillator, internally calibrated oscillator, and four software selectable power saving modes. 

The device operates between 1.8-5.5 volts. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching one MIPS per MHz, balancing power consumption and processing speed.

1.Product Parameter (Specification)

High Performance, Low Power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
– 120 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation

• High Endurance, Non-volatile Memory Segments
– 2K/4K/8K Bytes of In-System, Self-programmable Flash Program Memory

• Endurance: 10,000 Write/Erase Cycles
– 128/256/512 Bytes of In-System Programmable EEPROM

• Endurance: 100,000 Write/Erase Cycles
– 128/256/512 Bytes of Internal SRAM
– Data Retention: 20 years at 85°C / 100 years at 25°C
– Programming Lock for Self-programming Flash & EEPROM Data Security

• Peripheral Features
– One 8-bit and One 16-bit Timer/Counter with Two PWM Channels, Each
– 10-bit ADC

• 8 Single-ended Channels
• 12 Differential ADC Channel Pairs with Programmable Gain (1x / 20x)
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Universal Serial Interface

• Special Microcontroller Features
– debugWIRE On-chip Debug System
tinyAVR® Data Sheet
ATtiny24A/44A/84A are low-power CMOS 8-bit microcontrollers based on the AVR® enhanced RISC
architecture. By executing powerful instructions in a single clock cycle, the ATtiny24A/44A/84A achieves
throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption
versus processing speed.
 2020 Microchip Technology Inc. Data Sheet Complete DS40002269A-page 2
– In-System Programmable via SPI Port
– Internal and External Interrupt Sources

• Pin Change Interrupt on 12 Pins
– Low Power Idle, ADC Noise Reduction, Standby and Power-down Modes
– Enhanced Power-on Reset Circuit
– Programmable Brown-out Detection Circuit with Software Disable Function
– Internal Calibrated Oscillator
– On-chip Temperature Sensor

• I/O and Packages
– Available in 20-pin WQFN/VQFN, 14-pin SOIC, 14-pin PDIP and 15-ball UFBGA
– Twelve Programmable I/O Lines

• Operating Voltage:
– 1.8 – 5.5V

• Speed Grade:
– 0 – 4 MHz @ 1.8 – 5.5V
– 0 – 10 MHz @ 2.7 – 5.5V
– 0 – 20 MHz @ 4.5 – 5.5V

• Industrial Temperature Range: -40°C to +85°C
• Low Power Consumption
– Active Mode:

• 210 µA at 1.8V and 1 MHz
– Idle Mode:
• 33 µA at 1.8V and 1 MHz
– Power-down Mode:
• 0.1 µA at 1.8V and 25°C

2.Product Feature And Application

automotive system

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