Microchip PIC18F1XK50 USB Microcontrollers
Microchip Technology Inc. recently announced the PIC18F1XK50 family of 8-bit PIC® microcontrollers (MCUs) for USB applications. The lowest-cost PIC18F13K50 and PIC18F14K50 provide a host of features not normally found on inexpensive 8-bit MCUs. The new devices are supported by Microchip's free USB software stack and the free MPLAB® IDE Integrated Development Environment, which provides a consistent development platform across all PIC MCUs. This offers design engineers a solid migration path to higher levels of performance and functionality. The PIC18F1XK50 MCUs are all available in 20-pin SSOP, SOIC, PDIP and 5 x 5 mm QFN packages. The PIC18F13K50 and PIC18LF13K50 MCUs are priced at $1.32 each, in 10,000-unit quantities; the PIC18F14K50 and PIC18LF14K50 MCUs at $1.46 each, in 10,000-unit quantities. Higher-volume pricing is below $1.00, depending upon quantity.
The PIC18F1XK50 MCUs include a host of serial communications interfaces, such as USB 2.0, I2CTM, SPI and USART; enabling them to transfer data between USB and other embedded serial networks. Additionally, they provide a 10-bit, 9-channel Analog-to-Digital Converter (ADC) and dual comparators with S/R Latch, giving users the capability to process a variety of environmental inputs-from temperature and humidity logging to capacitive touch-sensing.
The PIC18F1XK50 MCUs feature a USB host-detection capability, whereby the MCU can be configured to enter SLEEP or any other power-managed mode when a USB connection is not present. The new MCUs can also be internally or externally clocked with seamless on-the-fly switching, bringing further power savings to the user. Furthermore, with an operating voltage range of 1.8 - 5.5V, the MCUs are designed for use in a wide variety of operating environments and power supplies, including batteries, USB interfaces or other power sources.
The PIC18F13K50 has 8 KB Flash and 512 Bytes of RAM memory, whereas the PIC18F14K50 has 16 KB Flash and 768 Bytes of RAM. Both devices have 256 Bytes of EEPROM for non-volatile data storage. Low-power options are available for both devices (PIC18LF1XK50) offering 1.8 - 3.6V operation, with reduced power consumption for extremely power-sensitive applications.
The new MCUs are well-suited for a myriad of applications-from smart remote controls to USB battery chargers. Examples include applications in the Consumer Electronic (battery-operated remote controls, personal media players, personal computing); Industrial (battery-operated data loggers, industrial machines that currently utilize the RS-232 protocol, handheld instruments); Medical (patient monitors, dosing pumps, blood gas analyzers) and other markets.
More info: Microchip USB Microcontrollers
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