ST STMPE1801BJR

18I²C键盘控制器，POR1.65V ~ 3.6V-40°C ~ 85°C

Overview

The STMPE1801BJR is a GPIO (general purpose input/output) port expander capable of interfacing a main digital ASIC via the two-line bidirectional bus (I2C). A separate GPIO expander IC is often used in mobile multimedia platforms to resolve the problem of the limited number of GPIOs typically available on digital engines.

The STMPE1801BJR offers high flexibility, as each I/O can be configured as input, output, special key, keypad matrix or dedicated key function. This device is designed to include very low quiescent current, and a wakeup feature for each I/O, to optimize the power consumption of the device. Potential applications for the STMPE1801BJR include portable media players, game consoles, mobile and smart phones.

Features

Xpander Logic™ Series

Surface Mount Mounting Type

Applications

There are a lot of STMicroelectronics
STMPE1801BJR I/O Expanders applications.

• Wireless Telemetry
• JTRS
• 802.11x Receivers
• IDEN
• PHS
• TD-SCDMA
• CDMA2000
• WCDMA
• UMTS
• Antialiasing Filter