Auto clear terminal, Signal similar to ANI3

R - 5 2 0 L K

R-520LW

Pin No.	Signal	I/O	Description

25	P41	IN	Signal similar to AN3.
			When either G11 line on key matrix is touched, a corresponding signal will be input into
			P41.

26	P40	IN	Connected to GND through the pull-down resistor.

27	RESET	IN	Auto clear terminal.
			Signal is input to reset the LSI to the initial state when power is applied.

28	P71	IN	Signal similar to AN3.
			When either G10 line on key matrix is touched, a corresponding signal will be input into
			P71.

29	P70	IN	Signal similar to ANI3.
			When either G9 line on key matrix is touched, a corresponding signal will be input into
			P70.

30	XIN	IN	Internal clock oscillation frequency control input setting.
			The internal clock frequency is set by inserting the ceramic filter oscillation circuit with
			respect to XOUT terminal.

31	XOUT	OUT	Internal clock oscillation output.
			Output to control oscillation input to XIN.

32	VSS	IN	Power source voltage : -5.0V.
			The power source voltage to the drive LSI is input to VSS terminal.

33	P27	OUT	Key strobe signal.
			Signal applied to touch-key section. A pulse signal is input to P70, P71, P41, P45, P47
			and AN3 terminal while one of G8 line keys on key matrix is touched.

34	P26	OUT	Key strobe signal.
			Signal applied to touch-key section. A pulse signal is input to P70, P71, P41, P45, P47
			and AN3 terminal while one of G7 line keys on key matrix is touched.

35	P25	OUT	Key strobe signal.
			Signal applied to touch-key section. A pulse signal is input to P70, P71, P41, P45, P47
			and AN3 terminal while one of G6 line keys on key matrix is touched.

36	P24	OUT	Key strobe signal.
			Signal applied to touch-key section. A pulse signal is input to P70, P71, P41, P45, P47
			and AN3 terminal while one of G5 line keys on key matrix is touched.

37	P23	OUT	Key strobe signal.
			Signal applied to touch-key section. A pulse signal is input to P70, P71, P41, P45, P47
			and AN3 terminal while one of G4 line keys on key matrix is touched.

38	P22	OUT	Key strobe signal.
			Signal applied to touch-key section. A pulse signal is input to P70, P71, P41, P45, P47
			and AN3 terminal while one of G3 line keys on key matrix is touched.

39	P21	OUT	Key strobe signal.
			Signal applied to touch-key section. A pulse signal is input to P70, P71, P41, P45, P47
			and AN3 terminal while one of G2 line keys on key matrix is touched.

40	P20	OUT	Key strobe signal.
			Signal applied to touch-key section. A pulse signal is input to P70, P71, P41, P45, P47
			and AN3 terminal while one of G1 line keys on key matrix is touched.

41	P17	OUT	Back light signal. (Light emitting diodes) driving signal

42-46	P16-P12	OUT	Terminal not used.

47-50	SEG25-SEG22	OUT	Terminal not used.
51-72	SEG21-SEG0	OUT	Segment data signal.

R-520LK, R-520LW specifications

The Sharp R-520LW and R-520LK are innovative microwave ovens that combine advanced technology with user-friendly features to enhance cooking experiences. Designed with modern kitchens in mind, these models embody efficiency, precision, and versatility.

One of the defining characteristics of both the R-520LW and R-520LK is their powerful 900-watt output, which allows for speedy cooking and reheating. This high wattage ensures that food is cooked evenly and retains its moisture, preventing the common issue of dry or unevenly heated meals. Furthermore, the inclusion of multiple cooking power levels provides users with flexibility, making it easy to select the ideal setting for various types of food.

Both models feature Sharp's signature Inverter Technology. Unlike traditional microwaves that use a turn-on and turn-off cycling method, inverter technology delivers a steady stream of cooking power. This results in more consistent heating, allowing delicate foods such as fish or custards to be cooked perfectly without overcooking the edges. This technology not only enhances the quality of cooked food but also improves the overall efficiency of the microwave.

The R-520LW and R-520LK come equipped with a variety of auto-cook settings that cater to different culinary needs. From popcorn to frozen vegetables, these pre-programmed settings allow users to prepare meals with just a touch of a button, making cooking uncomplicated for all skill levels. The large, user-friendly control panel features intuitive buttons and a digital display, ensuring effortless operation and visibility.

In terms of design, the R-520LW boasts a sleek white finish, while the R-520LK offers a modern black aesthetic. Both models are compact yet spacious, with a generous interior capacity that can accommodate a range of dish sizes. The turntable feature further enhances cooking efficiency by ensuring even cooking all around.

Cleaning and maintaining the R-520LW and R-520LK is a breeze, thanks to their easy-to-wipe surfaces and the interior's cavity that can be easily accessed. The durable construction of these microwaves means they are designed to withstand the rigors of daily use.

In summary, the Sharp R-520LW and R-520LK microwave ovens stand out with their advanced features, such as inverter technology and pre-programmed cooking settings, making them excellent choices for anyone looking to streamline their kitchen tasks. Their stylish designs and user-friendly interfaces further enhance their appeal, making them valuable additions to any modern home.

Sharp R-520LK Auto clear terminal, Signal similar to ANI3, Internal clock oscillation output

Models: R-520LK R-520LW

Signal similar to AN3.

Auto clear terminal.

Signal similar to AN3.

Signal similar to ANI3.

Internal clock oscillation frequency control input setting.

Internal clock oscillation output.

Power source voltage : -5.0V.

Key strobe signal.

Segment data signal.

R-520LK, R-520LW specifications