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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 28SSOP
- Series：PSOC®1 CY8C21xxx
- Mfr：Cypress Semiconductor Corp
- Package：Bulk
- Core Processor：M8C
- Core Size：8-Bit
- Speed：12MHz
- Connectivity：I2C, IrDA, SPI, UART/USART
- Peripherals：LVD, POR, PWM, WDT
- Number of I/O：24
- Program Memory Size：8KB (8K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：512 x 8
- Voltage - Supply (Vcc/Vdd)：4.75V ~ 5.25V
- Data Converters：-
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：28-SSOP
- Package / Case：28-SSOP (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The CY8C21345-12PVXE is an 8-bit microcontroller from the Cypress PSOC 1 family, utilizing the M8C core. It features 8KB of in-system programmable flash memory and 512 bytes of RAM. The device operates at a maximum clock speed of 12MHz with an internal oscillator. It supports a supply voltage range of 3V to 5.25V and includes three 10-bit analog-to-digital converters. Connectivity options include I2C, IrDA, SPI, and UART/USART interfaces. The component is housed in a 28-pin SSOP package and functions within a temperature range of -40°C to +85°C.
Feature Summary
- Integrates configurable analog and digital peripherals on a single chip to reduce external component count.
- Supports CapSense technology for capacitive touch sensing applications.
- Features an internal oscillator for simplified system design.
Applications
- Industrial control systems
- Data loggers
- Image acquisition devices
- Test instruments
- IoT end-node devices
Procurement Notes
Verify the specific suffix '12PVXE' against official datasheets to confirm the 12MHz speed grade and SSOP package type. Ensure compatibility with PSoC Designer software versions. Confirm RoHS compliance status through manufacturer documentation before integration into regulated products.
Selection Notes
Select this part when an 8-bit architecture with integrated analog capabilities is required. The 12MHz speed suits moderate processing loads. Compare pin counts and peripheral sets against similar CY8C21xxx variants to ensure interface requirements are met without over-specifying hardware resources.
Part Context
This component belongs to the PSOC 1 CY8C21xxx series by Cypress Semiconductor. These devices combine an 8-bit processor with programmable analog blocks. The series targets embedded applications needing mixed-signal processing in a compact form factor.
Replacement Considerations
Check for CY8C21345 variants with different speed grades or packages. Verify if CY8C215xx series parts offer compatible pinouts or enhanced features for direct substitution.
