CY8C21345-12PVXE
IC MCU 8BIT 8KB FLASH 28SSOP
Quick Answer: The Cypress Semiconductor Corp CY8C21345-12PVXE is an 8-bit microcontroller from the PSOC®1 CY8C21xxx series.
- Manufacturer
- Cypress Semiconductor Corp
- Product Category
- Microcontrollers - MCU
- Package
- 28-SSOP (0.209", 5.30mm Width)
- Stock
- 2,986 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Cypress Semiconductor Corp |
|---|---|
| Product Category | Microcontrollers - MCU |
| Connectivity | I2C, IrDA, SPI, UART/USART |
| Core Processor | M8C |
| Core Size | 8-Bit |
| Mounting Type | Surface Mount |
| Number of I/O | 24 |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Oscillator Type | Internal |
| Package | Bulk |
| Peripherals | LVD, POR, PWM, WDT |
| Product status | Active |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | Flash |
| RAM Size | 512 x 8 |
| Series | PSOC®1 CY8C21xxx |
| Speed | 12MHz |
| Supplier Device Package | 28-SSOP |
| Voltage - Supply (Vcc/Vdd) | 4.75V ~ 5.25V |
| Datasheet | View Datasheet PDF |
Procurement Snapshot
Key supply and purchasing information for CY8C21345-12PVXE.
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Detailed Description for CY8C21345-12PVXE
Product Overview
The Cypress Semiconductor Corp CY8C21345-12PVXE is an 8-bit microcontroller from the PSOC®1 CY8C21xxx series. It uses an M8C core and operates at 12MHz with an internal oscillator. The device provides 8KB (8K x 8) of FLASH program memory, 512 x 8 RAM, and 24 I/O pins. Connectivity includes I2C, IrDA, SPI, and UART/USART, while peripherals include LVD, POR, PWM, and WDT. The device is packaged in a surface-mount 28-SSOP with a 5.30mm body width and operates from a 4.75V to 5.25V supply across -40°C to 125°C (TA).
Key Features
- M8C 8-bit core operating at 12MHz with an internal oscillator.
- 8KB (8K x 8) FLASH program memory and 512 x 8 RAM.
- 24 I/O pins for digital interfacing and control.
- Serial connectivity options include I2C, SPI, UART/USART, and IrDA.
- Integrated peripherals include LVD, POR, PWM, and WDT.
- Surface-mount 28-SSOP package with 0.209in (5.30mm) width.
Applications
- Embedded control boards using a 5V microcontroller with multiple serial interfaces.
- Sensor and actuator interfacing using I2C, SPI, or UART/USART connections.
- User-interface controllers using PWM outputs and general-purpose I/O.
- Short-range optical data links using the IrDA interface.
- Firmware systems constrained to 8KB FLASH and 512 x 8 RAM.
Design & Procurement Notes
Design considerations should start with the required supply voltage, since the CY8C21345-12PVXE operates from 4.75V to 5.25V. The 28-SSOP surface-mount package has a 0.209in (5.30mm) width, so the PCB footprint and assembly process should match that geometry. The 24 I/O pins, I2C, SPI, UART/USART, and IrDA interfaces support several common peripheral connections, while PWM, WDT, POR, and LVD provide basic system-control functions. Because program memory is 8KB (8K x 8) FLASH and RAM is 512 x 8, firmware size and runtime data usage need to be planned carefully. The internal oscillator reduces external clock requirements, and the -40°C to 125°C (TA) temperature range should be considered during board thermal design.
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