C8051F564-IQ - 50MHz Mixed-Signal 8051 MCU | Silicon Labs
Référence : C8051F564-IQ ✓ ActifC8051F564-IQ Présentation
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, peripheral interfaces, and I/O on one device. The C8051F564-IQ belongs to the C8051F56x mixed-signal MCU family and combines an 8051-compatible processing core with analog and digital control resources. Its mixed-signal architecture allows one microcontroller to supervise sensors, process control signals, manage communications, and actuate system outputs without requiring several separate controllers.
The 50 MHz operating speed supports faster control-loop execution and efficient handling of serial traffic. Its 16 KB Flash memory provides on-chip storage for firmware, while 2.25 KB of RAM supports working variables, stack operations, and communication buffers. The device also includes CAN and LIN interfaces, enabling network participation in vehicle, industrial, and distributed embedded-control architectures without requiring an external network transceiver.
The 1.8 V to 5.25 V operating range supports low-voltage industrial systems, 3.3 V equipment, and conventional 5 V embedded platforms. Programmable analog and timing peripherals are useful for acquisition, monitoring, and precise control tasks. The 25 I/O pins provide interfaces for sensors, switches, displays, communications, and power-control signals, while the compact 32-LQFP package simplifies surface-mount assembly.
Typical applications include automotive body and comfort modules, industrial sensor nodes, CAN or LIN network controllers, motor and actuator controllers, and low-voltage embedded instrumentation. The integrated communications make it especially useful where multiple nodes must exchange status or control information over a vehicle or industrial network.
Design the PCB with short return paths for ground and sensitive analog inputs, and route communication signals away from switching nodes. Confirm oscillator, reset, power, and decoupling requirements against the manufacturer datasheet. Treat -I as the industrial temperature option, and verify its complete operating-temperature limits before final qualification.
This page combines package, memory, speed, interface, and application guidance with practical selection notes for engineers evaluating the C8051F564-IQ in mixed-signal embedded-control designs.
Alternatives de remplacement direct pour C8051F564-IQ — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
C8051F563-IQ
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
C8051F567-IQ
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
C8051F503-IQ
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
C8051F560-IQ
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
C8051F565-IQ
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
C8051F564-IQ Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit mixed-signal flash microcontroller |
| Processor Core | 8051 |
| Fréquence d'horloge maximale | 50 MHz |
| Flash Program Memory | 16 KB (16K x 8) |
| RAM | 2.25 KB (2.25K x 8) |
| Supply Voltage Range | 1.8 V to 5.25 V |
| General-Purpose I/O Pins | 25 pins |
| Serial Interface | CAN and LIN |
| ADC Throughput | 200 ksps |
| ADC Integral Nonlinearity | ±1 LSB |
| Boîtier | 32-LQFP (7 mm × 7 mm) |
| Type de montage | Surface mount |
| Series | C8051F56x |
| Programming Interface | In-system programming |
| Product Temperature Grade | Industrial grade |
Guide de configuration des broches du C8051F564-IQ 32-lqfp (7 mm × 7 mm)
Configuration des broches du C8051F564-IQ (boîtier 32-lqfp (7 mm × 7 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour C8051F564-IQ.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
C8051F564-IQ convient pour 6 applications: Automotive Body Control Module, Industrial Sensor and Condition Node, CAN Network Gateway Controller, LIN Sub-Bus Interface Module, Low-Voltage Embedded Data Acquisition, Actuator and Motor Control Subsystem.
Automotive Body Control Module
The C8051F564-IQ fits an automotive body-control module because it combines a 50 MHz 8051 core with 16 KB of Flash, 2.25 KB of RAM, 25 I/O pins, and CAN and LIN interfaces. It can supervise switches and sensors, update controlled outputs, and exchange vehicle-network status data. Its 1.8 V to 5.25 V supply range supports mixed 3.3 V and 5 V system rails. The -I suffix identifies the industrial temperature option, while the manufacturer family documentation supports automotive applications. Final qualification must confirm exact pin multiplexing, peripheral limits, and the complete temperature specification.
Recommandé
Industrial Sensor and Condition Node
The C8051F564-IQ is suitable for an industrial sensor node that must acquire analog information and communicate the result over a local network. Its mixed-signal architecture supports measurement and control functions, while 200 ksps programmable conversion throughput provides a quantified acquisition capability for suitable signal chains. The 50 MHz core can service the CAN or LIN interface while maintaining control-loop work. A 1.8 V to 5.25 V operating range supports low-voltage industrial electronics, and 25 I/O pins can connect sensors, indicators, and discrete actuators.
Recommandé
CAN Network Gateway Controller
The C8051F564-IQ can serve as the local controller in a CAN gateway because its C8051F56x platform includes a CAN interface alongside 16 KB of Flash for protocol and application firmware. The 50 MHz processor supports responsive protocol handling, and 2.25 KB of RAM provides working space for buffering and state management. Twenty-five general-purpose I/O pins support status indicators, configuration inputs, and external control signals. The implementation should use a suitable CAN transceiver, protection network, termination, and isolated or non-isolated interface appropriate to the vehicle or industrial environment.
Recommandé
LIN Sub-Bus Interface Module
The C8051F564-IQ is appropriate for a LIN sub-bus interface because the device includes both LIN and CAN connectivity in the same mixed-signal controller. The MCU can bridge or monitor low-speed LIN nodes while retaining access to higher-level CAN communications. Its 50 MHz clock provides processing headroom, and its 25 I/O pins support configuration switches, diagnostics, and external interface signaling. A LIN transceiver remains necessary for the physical bus, so the selected MCU should be evaluated together with bus protection, reference-ground strategy, and electromagnetic compatibility requirements for the finished module.
Recommandé
Low-Voltage Embedded Data Acquisition
The C8051F564-IQ supports a compact data-acquisition design that combines sensor conditioning, conversion, control, and communications in one package. Its analog conversion capability supports throughput up to 200 ksps under the stated device conditions, while the 50 MHz core handles sampling control and data movement. Sixteen kilobytes of Flash accommodates firmware and calibration tables, and 2.25 KB of RAM supports acquisition buffers. The 1.8 V minimum supply enables low-voltage operation, but analog reference, input-range, sampling-time, and accuracy requirements must be matched to the signal being measured.
Recommandé
Actuator and Motor Control Subsystem
The C8051F564-IQ can act as the supervisory controller for a compact actuator or motor-control subsystem. Its 50 MHz processing speed supports deterministic digital control and communication tasks, while 25 I/O pins can interface with position sensors, switches, fault signals, and driver-control lines. The 32-LQFP 7 mm × 7 mm package supports compact controller boards, and the 1.8 V to 5.25 V range accommodates multiple embedded supply architectures. External power devices, current sensing, gate-drive circuitry, and protection components remain necessary; firmware must enforce output limits and fault shutdown behavior.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour C8051F564-IQ — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | C8051F563-IQ | C8051F567-IQ | C8051F503-IQ | C8051F560-IQ | C8051F565-IQ |
|---|---|---|---|---|---|---|
| Package | 32-LQFP (7 mm × 7 mm) | 32-LQFP (7 mm × 7 mm) | 32-LQFP (7 mm × 7 mm) | 32-LQFP (7 mm × 7 mm) | 32-LQFP (7 mm × 7 mm) | 32-LQFP (7 mm × 7 mm) |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
Principaux différenciateurs
- Integrated CAN and LIN connectivity in a mixed-signal MCU (vs C8051F503-IQ)
- Low-voltage operation with substantial on-chip resources (vs C8051F563-IQ)
- Mixed-signal acquisition capability for compact embedded systems (vs C8051F560-IQ)
Notes de conception
Design the supply network for the full 1.8 V to 5.25 V operating range and place local bypass capacitors close to the device's supply and ground pins. Separate noisy digital return current from analog ground where the device architecture permits, and connect analog and digital ground according to the manufacturer layout guidance. Confirm regulator headroom, startup sequencing, and voltage tolerances before freezing the power tree.
Assign every 32-LQFP connection from the exact pin-definition table rather than assuming identical peripheral positions across C8051F56x members. Keep oscillator and reset traces short, provide a clean return path beneath sensitive analog circuitry, and keep CAN or LIN routing away from switching-power nodes. Although the listed alternatives use the same package, package identity does not replace verification of each alternate function.
Do not select a replacement solely from the 50 MHz speed and 32-LQFP package. Check Flash capacity, RAM, analog-conversion resources, oscillator behavior, serial-interface availability, pin multiplexing, and electrical limits for each candidate. After substitution, rebuild the project with the correct device definition, review startup code, and run communications, timing, and mixed-signal validation on production-representative hardware.
Treat analog inputs and network interfaces according to their distinct signal-integrity requirements. Use the manufacturer's recommended analog reference and anti-aliasing arrangements, maintain a quiet analog return path, and provide the required protection and filtering on external inputs. For CAN and LIN, use suitable transceivers and protection components, and route the bus away from high-current switching edges to reduce radiated and susceptibility risks.
Informations de conformité
The C8051F56x family is described for automotive and industrial applications, but no explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration appears in the cited product information.
