Manufacturer Part Number
ADUC7121BBCZ
Manufacturer
Analog Devices
Introduction
High-performance microcontroller with integrated ADCs for precision applications
Product Features and Performance
ARM7 core with mixed-signal capabilities
16/32-Bit core size enabling efficient code execution
Operational speed up to 41.78MHz for responsive performance
Multiple connectivity options including I2C, SPI, UART/USART
On-chip peripherals such as POR (Power-On Reset), PWM (Pulse Width Modulation), WDT (Watchdog Timer)
32 configurable I/O ports for flexible interfacing
126KB Flash memory for robust program storage
2KB x 32 RAM for quick data processing
Internal oscillator for standalone operation
A/D converters: 7 channels with 12-bit resolution
D/A converters: 4 channels with 12-bit resolution
Product Advantages
Integrated high-resolution ADCs for precise measurements
Broad operating temperature range catering to extreme environments
Generous program memory and sufficient RAM for complex applications
Surface mount technology for compact designs
Key Technical Parameters
Core Size: 16/32-Bit
Speed: 41.78MHz
Program Memory Size: 126KB
RAM Size: 2K x 32
Supply Voltage: 3V ~ 3.6V
A/D Converters: 7x12b
D/A Converters: 4x12b
Quality and Safety Features
Extended temperature range for high reliability in harsh conditions
Watchdog Timer for system recovery and safety
Compatibility
SPI, I2C, UART interfaces compatible with a wide range of peripherals
Supports most ARM7 toolchains and development environments
Application Areas
Industrial control systems
Precision instrumentation
Automotive electronics
Communication systems
Medical devices
Product Lifecycle
Active status, currently not near discontinuation
Future upgrades or replacement options typically available
Reasons to Choose This Product
High integration facilitates reduced system complexity and BOM cost
Diverse set of peripherals enhances system capabilities
Extended operational temperature range allows deployment in demanding environments
High-resolution ADCs ensure accurate analog signal processing
Significant memory capacity for advanced and complex program algorithms