Sharp MZ-3500 service manual CSP 2 Block Diagram, 3r00, DSP2 OUT, Cas Out

M/3r>00

	P r i o r i ty
	Signal Name
36	M32	IN	Clock input 32MHz, 200 raster
37	FS	OUT	Graphic DRAM address multiplexer signal (High order 8 bits I ADS ADI 5] /low 3'der S hi"
			ADO AD7] select signal )
38	DSP2	OUT	Display timing signal (In the CSP 2, the signal BLINK from GDC2 is delayed by 2 collor intervals to
			create this signal )
39	CAS 2	OUT	Graphic D RAM CAS (COLUMN ADDRESS SELECT) signal
			(Line address selection)
40	Vcc	IN	+ 5V supply

CSP 2 Block Diagram

S-RAM & CG control signal generator

								Ci	' '
								:	co	L
			Jl					i 3	i6
			PR
							D	GDC1 &
			Hexadecimal			™£
								character
			r* counter					display clock
						O		generator
			-a.			5
32MHz					L>
200	Raster
			Clock select			bill	circuit	GOC2&
3«32MHz		^	ClfCU1,					graphic display
*M n~,		*	^00/41 to			8/16	select	clock
4U(J	HasTer		rasters					generator
				• 0		t
				T
				ft.					DBI2D
VWRO —C				CK		5		Cfi
			Oh	16	Q
			1 O	I)
				F	F
			40/80		O
K A S 2 —C
										F	'
Ubl 2 —C
								DRAM
								control signal
								generator
								' '	' •
			,	c K Q						GDC2
										Read
				n						ignal
						2 — 3
										generator
			F
						)ECODER
									n	h	P°
									L}\		CK

t f

^— Bl SC,

D- SOf

O- SHE

^

O—HB 1 A

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