Sharp MZ-3500 service manual AD15ILC2, Nk-Clc, At~Bti, CSR-1MAGE

M Z 3500
	Polar, ty	IN/OUT	Function
Pin No	Signal Name
35-37 AD13ILCO)- IN/OUT			Provides the following functions based on the operational mode of the GDC (graphic display mode,
	AD15ILC2)		character display mode 0, character display mode 1).
			1. In the graphic display mode and character display mode 0: Bidirectionaladdress/data bus
			2. In the character display mode 1: Line counter output in connected to the character generator
			ROM or graphic RAM address.
			• In the graphic and character display mode 0: AD13~AD1 5.
			• In the character display mode 1 : LCO~LC1.
			(Address Data bus 13 ~ 15)
			(Line Count 0 - 2)
38	A16(LC3)	OUT	Provides the following functions based on the operational mode of the GDC (graphic display mode.
	(AT~BTI		0. character display mode 1):
	NK-CLC)		1. Graphic display mode: Image memory address output.
			2. Character display mode 1 : Line counter output.
			3. Character display mode 0: Attribute/blinking/timing signal and external line counter clear signal
			(Address 16}
			(Line Count 3)
			(Attribute Blink —Clear Lire Counter)
39	A17 (CSR)	OUT	Provides the following functions based on the operational mode of the GDC (graphic display mode,
	(CSR-1MAGE)		character display mode 0, character display mode 1):
			1. Graphic display mode: Image memory address output.
			2. Character display mode 1 : Cursor display output.
			3. Character display mode 0: Cursor display output, character display area (graphic) display area
			select timing signal.
			(Address)
			(Cursor)
			(Cursor-image)
40	Vcc	IN	+5V supply.

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