Sharp r-8580 manual I I/O, I l/O

R-8580

PIN NO.		15	1 SIGNAL	/	El4
Segment	data		signal.
Signal similar		to	E6.
PIN NO.	/	16	1 SIGNAL	j	El5
Seqment	data		siqnal.

I I/O

I I/O

j OUT

(RD939A2U)

1 OUT

Signal similar to E6.

Kev strobe siqnal.

Signal applied to touch-key section. A pulse signal is input to AN4-AN7

terminal while one of G-6 line keys on key matrix is touched.

(RD939A3U)

PINNO.		I17			1 SIGNAL	1 El 6	I	I/O	) OUT
Segment		data		siqnal.
Signal	similar		to	E6.
Kev strobe			siqnal.
Signal	applied		to	touch-key section.	--

A pulse signal is input to AN4-AN7 terminal while one of G-7 line keys on key matrix is touched.

(RD939A3U)

PIN NO. / 18

Seqment data siqnal.

Signal similar to E6.

Kev strobe siqnal.

Signal applied to touch-key section. A pulse signal is input to AN4-AN7

1 SIGNAL 1 El7 I I/O 1 OUT

terminal while one of G-8 line keys on key matrix is touched.

(RD939A3U)

PIN NO.	1 19,20	1 SIGNAL j El 8,E19	I	I/O	j OUT
Seqment	data signal.

Signal similar		to E6.			I I/O
PIN NO.	/	21-24	1 SIGNAL	1 E20-E23

Used for initial balancing of the bridge circuit(absolute himidity sensor).

PIN NO. ) 25 1 SIGNAL j EX I l/O

(RD939A2U)

; OUT

(RD936Al U)

IN

Internal clock oscillation frequency input settinq.

The internal clock frequency is set by inserting the ceramic filter oscillation circuit with respect to X terminal.

									I/O	(RD93EA2U)
PIN	NO.	j	26	1	SIGNAL	j	X	I		/ OUT
Internal		clock oscillation		frequency	control		output.
Output to control oscillation input of EX.										(RD93EAl U)
PIN	NO.	j	27	1	SIGNAL	/	RESET	I	I/O	1 IN
Auto	clear		terminal.

Signal is input to reset the LSI to the initial state when power is supplied.

Temporarily set to “L” level the moment power is supplied, at this time the LSI is reset, Thereafter set at “H” level.

(RD93MA2U)

PIN NO.	1 28	1 SIGNAL / SO E24	I	I/O	/ OUT
Segment	data	siqnal.
Signal similar to		E6.

(RD939A2U)

24