UTCRCR03

* Operating power-supply voltage range: 2.5 to 5.5V
* Manual-power-on/off with ON/OFF button
*One output pin used for external power control
*On-chip oscillator with an external resistor
*On-chip reversing amplifiers
*Low operating current
*Few external components needed
*Four output pins for three function
*Manual Power on/off function

The UTCRCR03 is CMOS LST designed for the remote controlled toy. The received signal is amplified by the three-stage amplifier, and then the appropriate amplified signal is sampled, fault-tolerantly checked and decoded to control the actions of the remotecontrolled toy. There is an oscillator in the RCR03. By adding an external resistor conveniently, the oscillator will be construted. The oscillator frequency can be adjusted by the external resistor. Pressing the ON/OFF button can control the output level of the PC pin.

The UTCRCR03,the auto-power-off functionsis achieved by an internal counter.When the UTCRCR03 is powered on the counter is reset and begin to count. Any received encoding signal also reset the counter. The PC output pin will keep on a high level until the counter counts up to about 6 minutes.The PC output is used to control on/off state of the external power supply.

The UTCRCR03 have four output pins corresponding with the three actions: Forward, Backward and Left.