C8051F220 - 25MHz 8KB Flash 8051 MCU | Silicon Labs
부품 번호: C8051F220 ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
C8051F220 개요
A microcontroller is a programmable integrated circuit that executes firmware, reads inputs, controls outputs, and manages embedded-system timing. The C8051F2xx family belongs to the broader 8-bit MCU hierarchy and is intended for applications requiring mixed-signal measurement, serial communication, and compact control functions without a larger external processor.
Verified device features include 8 KB flash organized as 8K x 8, 32 external ADC inputs, programmable ADC throughput up to 100 ksps, and programmable amplifier gains of 0.5, 1, 2, 4, 8, and 16. The ADC has a reported ±1/2 LSB integral nonlinearity figure and no missing codes in the supplied product description.
The C8051F220 is identified as an 8051 C8051F2xx MCU with an 8-bit data bus and a maximum clock of 25 MHz in the distributor records. Its 48-TQFP package provides a surface-mount implementation with 7 x 7 mm dimensions as listed by DigiKey. The supplied sources do not provide a verified manufacturer ordering-code suffix or complete pin-level electrical table.
Typical applications include industrial sensor acquisition, temperature and process measurement, digital control panels, low-speed serial equipment, embedded instrumentation, and compact mixed-signal control systems. The ADC and programmable gain make the device useful for analog front ends where multiple inputs must be scanned rapidly.
When designing around the C8051F220, confirm the exact package variant, oscillator requirements, supply voltage, programming interface, and ADC reference arrangement against the selected ordering code and manufacturer documentation. Do not infer missing specifications from similarly named C8051F2xx devices.
드롭인 대체품: C8051F220 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: C8051F220 (동일 폼 팩터 및 풋프린트) — 차이점: ADC Resolution, Package, ADC External Inputs, ADC Integral Nonlinearity, RoHS Status.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청C8051F220 최대 정격 & 전기적 특성
| Product Type | 8-bit mixed-signal microcontroller |
| Processor Core | C8051F2xx 8051-compatible core |
| Maximum Clock | 25 MHz |
| 데이터 버스 폭 | 8 bit |
| Flash Memory | 8 KB (8K x 8) |
| ISP Flash | 8 KB |
| ADC Resolution | 8 bit |
| ADC External Inputs | 32 channels |
| ADC Maximum Throughput | 100 ksps |
| ADC Integral Nonlinearity | ±1/2 LSB |
| Programmable Amplifier Gain | 0.5x, 1x, 2x, 4x, 8x, 16x |
| Comparators | 2 |
| 패키지 | 48-pin TQFP, 7 x 7 mm |
| 실장 유형 | Surface mount |
| RoHS 상태 | unknown |
| REACH Status | unknown |
C8051F220 48-pin tqfp, 7 x 7 mm 핀 구성 가이드
C8051F220(48-pin tqfp, 7 x 7 mm 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: C8051F220.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
C8051F220 적합 용도: 6 애플리케이션s: Industrial Sensor Acquisition, Process Measurement and Control, Embedded Instrumentation, Digital Control Panel, Low-Speed Serial Equipment, Portable Battery-Powered Controller.
Industrial Sensor Acquisition
The C8051F220 fits compact industrial sensor-acquisition systems that need local analog measurement and control. Its verified 32-channel external ADC input capability supports multiplexing among sensors, while programmable amplifier gains of 0.5x to 16x help match low-level sensor outputs to the converter range. Throughput can reach 100 ksps for applications requiring rapid scans. Use the MCU beside signal-conditioning, protection, and reference circuitry rather than connecting raw sensor outputs directly without validation. The supplied data does not verify industrial temperature, EMC, or isolation ratings, so those requirements must be checked separately.
추천
Process Measurement and Control
For process-control panels and compact measurement instruments, the C8051F220 provides an 8-bit control core with integrated analog conversion. The 25 MHz maximum clock supports firmware for sampling, filtering, threshold decisions, and actuator control, while the ADC supports 32 external inputs and programmable gain. A designer can allocate different analog channels to temperature, pressure, or level signals and use the gain settings to reduce front-end amplification requirements. Board-level sensor conditioning and calibration remain necessary, and the supplied data does not confirm the device's full electrical timing or environmental limits.
추천
Embedded Instrumentation
The C8051F220 is appropriate for compact embedded instrumentation where a local controller must acquire several analog measurements and present results through embedded serial communication. Its 8 KB ISP flash provides room for application firmware, and the mixed-signal ADC avoids requiring a separate converter for every measurement channel. The programmable gain settings of 0.5x through 16x can accommodate different sensor ranges, but the design must establish the ADC reference, input protection, sampling strategy, and calibration method. Verify serial-interface details and exact peripheral assignments in the manufacturer datasheet before finalizing the PCB.
추천
Digital Control Panel
Use the C8051F220 in a digital control panel when a compact 8-bit controller must combine analog monitoring with discrete control functions. The 25 MHz clock and 8 KB flash are suitable for local logic, input scanning, setpoint handling, and simple control algorithms. Its ADC can monitor up to 32 external inputs, allowing a single controller to supervise multiple analog points while reducing component count. The design should include robust debouncing, actuator-driver protection, fault handling, and a defined update schedule. Because the verified data does not provide complete timer, UART, or I/O specifications, confirm those functions against the exact datasheet.
추천
Low-Speed Serial Equipment
The C8051F220 can serve as the control MCU in low-speed serial equipment where local state management and analog monitoring are more important than high processor performance. Its 8051-compatible architecture and 8 KB ISP flash support embedded firmware, while the mixed-signal peripherals allow sensor inputs to share the same controller. A system designer should define communication framing, timeout behavior, ESD protection, and connector grounding externally. The supplied sources do not verify a specific UART variant, baud-rate range, or transceiver recommendation, so those details must be taken from the manufacturer documentation.
추천
Portable Battery-Powered Controller
The C8051F220 can be evaluated for portable measurement or control products where an 8-bit MCU must handle several sensor channels in a small 48-TQFP footprint. The 32-input ADC and selectable gain can reduce the number of external analog switching and amplification components. The verified data does not include sleep currents, active current, or supply-voltage limits, so battery-life calculations and regulator selection cannot be completed from these sources. Before design release, measure worst-case active and standby consumption and confirm the voltage range and temperature grade in the manufacturer datasheet.
추천
추천 제품 요약
엔지니어링 참조 데이터: C8051F220 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
주요 차별점
- Integrated mixed-signal measurement (vs Generic 8051 microcontroller)
- Compact 48-pin surface-mount implementation (vs Larger-package legacy 8051 devices)
- ISP flash for embedded firmware (vs Non-flash ROM-based 8051 devices)
설계 노트
Verify the exact C8051F220 supply-voltage range, oscillator arrangement, decoupling requirements, and power-up sequence in the manufacturer datasheet before laying out the board. The supplied data confirms a 25 MHz-class MCU and 48-pin TQFP device but does not provide verified operating-voltage values. Do not assume that a nominal 3 V description applies to every package suffix without checking the selected ordering code.
Treat every ADC-connected pin as an analog input and keep external sensor wiring away from oscillator, programming, and high-current switching paths. The verified ADC supports 32 external inputs, programmable gain from 0.5x to 16x, and throughput up to 100 ksps, so source impedance and settling time must be checked against the acquisition mode. Add input filtering, clamping, and an appropriately stabilized reference only after the electrical limits are confirmed.
Do not substitute a generic 8051 MCU solely because it uses a similar instruction set. The C8051F220 is a specific mixed-signal device with 8 KB ISP flash, a 32-input ADC, programmable amplifier gain, and a 48-pin TQFP package. Before a replacement is approved, compare the complete pinout, memory organization, clock requirements, ADC behavior, peripheral mapping, package dimensions, and programming interface.
규정 준수 정보
The supplied distributor search results do not provide verified RoHS, REACH, lead-free, halogen-free, conflict-minerals, or AEC-Q100 statements for C8051F220. Obtain current manufacturer or authorized-distributor documentation before making a compliance claim.
