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Product Detailed Parameters
- Description：IC MCU 8BIT 4KB FLASH 20TSSOP
- Series：C8051F53x
- Mfr：Silicon Labs
- Package：Tape & Reel (TR)
- Core Processor：8051
- Core Size：8-Bit
- Speed：25MHz
- Connectivity：SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Number of I/O：16
- Program Memory Size：4KB (4K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：256 x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.25V
- Data Converters：A/D 16x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-TSSOP
- Package / Case：20-TSSOP (0.173", 4.40mm Width)
- Grade：-
- Qualification：-
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Overview
The C8051F534A-ITR is an 8-bit microcontroller from the Silicon Labs C8051F52x/F53x family, featuring a high-speed CIP-51 core operating at up to 25 MHz. It integrates 4 kB of ISP Flash memory and 256 bytes of internal data RAM. The device includes a 12-bit ADC with programmable throughput up to 200 ksps, supporting up to 16 external inputs. It operates within a supply voltage range of 2.0 V to 5.25 V and supports an industrial temperature range of -40 °C to +125 °C. The component is housed in a 20-pin TSSOP package.
Feature Summary
- Features a pipelined CIP-51 architecture that executes 70% of instructions in one or two system clocks for improved throughput.
- Includes on-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without requiring external emulators.
- Integrates a 12-bit analog-to-digital converter with data-dependent windowed interrupt generation and built-in temperature sensing.
- Supports automotive qualification standards with operation across extended temperature ranges.
Applications
- Automotive embedded systems requiring AEC-Q100 compliance
- Industrial control applications utilizing LIN 2.1 communication
- Data acquisition systems employing high-resolution analog input
Procurement Notes
Verify the specific suffix 'ITR' against manufacturer documentation to confirm tape-and-reel packaging configuration. Confirm current production status as the datasheet indicates this family is not recommended for new designs. Ensure compatibility with existing PCB footprints for the 20-pin TSSOP package before procurement.
Selection Notes
Select this component when a robust 8051-compatible MCU with integrated analog peripherals is required. Consider the 4 kB Flash capacity and 16-channel ADC availability. Evaluate the 2.0 V to 5.25 V operating range against power supply constraints. Verify if the discontinued status aligns with long-term product lifecycle requirements.
Part Context
This part belongs to the C8051F52x/F53x series of mixed-signal microcontrollers. These devices are designed for applications needing high integration, combining digital processing with precise analog capabilities. The family emphasizes ease of development through extensive on-chip resources and comprehensive debug support.
Replacement Considerations
Consult official Silicon Labs documentation for verified substitute part numbers within the same family or next-generation equivalents. Check for pin-to-pin compatibility and functional equivalence regarding memory size and peripheral sets.
FAQ
What is the maximum throughput of the integrated ADC?
The 12-bit ADC supports a programmable throughput of up to 200 ksps.
Does the device require an external crystal for UART operation?
No, the internal oscillator provides 24.5 MHz accuracy sufficient for UART and LIN-Master operation without an external crystal.
