Description

The PT***1 is designed to integrate the LED driver, key-scan matrix, infrared (IR) remote control decoding and into one integrated solution. All functions are programmable using I2C interface. In standby operation, the PT***1 provides the standby power management to the chipset for low power consumption. The PT***1 is housed in **-pin SOP package. Pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages. FEATURES • IC front panel LED controller driver • Standby power management to the host • 5.0V (VDD) supply and 3.3V interface for the IC • IR remote control decoder (Philips, NEC, Thomson, Sony, Matsushita) • Multiple display modes ( *0 segments and 6 digits to *2 segments and 4 digits ) • External resistors necessary for all logic outputs (N-CH. Open drain) • Key scanning (up to *0 x 1 matrix = *0 keys) • I2C serial interface (SCL, SDA) communication protocol • Programmable hotkeys for IR remote control command • Programmable hotkeys for KEYSCAN command • Low power consumption in standby mode • Dimming circuit (8 steps) • Available in SOP**2