UM68TXX数据手册UTC中文资料规格书

描述 Description

The UTC UM68TXX series are CMOS LSI designed for using in door bell, telephone and toy application. It is an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low power consumption. Since the UTC  UM68TXX series include oscillation circuits a compact melody module can be constructed with only a few additional components.

特性 Features

• 128-Note Rom memory
• 2.5V ~ 5V power supply and low power consumption
• Dynamic speaker can be driven with external NPN transistor
• 14 tempos available through mask setting
• 15 beats available
• 27 notes (including rest) available
• OSC resistor hold mode
• Power on reset: melody begins from the first note
• Built in level hold mode
• PWM output