MPU Connection Diagram, Z80 PIO | Seiko Instruments G1216B1N000

						AN.No.G1216B1N000-3D0E
3.7	MPU Connection Diagram
	Z80A			Z80 PIO		G1216
	D0 to D7			D0 to D7	A0 to A7	DB0 to DB7
A0 to A15		Decoder		CE	B0	E
			A0	C / D	B1	R/W
			A1	C / D	B1	R/W
			A1	A / B
				A / B	B2	D/I
	RD			RD	B2	D/I
	RD			RD
	IORQ			IORQ	B3	RST
	M1			M1	B4	CS1
				INT	B4	CS1
	INT
					B5	CS2
						VDD
						VSS
						VLC
		Figure 14 Example of Connection to Z80A

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Contents

USER’S Manual AN.No.G1216B1N000-3D0E Copyright 1993 by Seiko Instruments Inc Contents General Power supply voltage +80 Temperature StorageSymbol Conditions Min Typ Max Unit Input High Voltage ∅ = 25 C Vopr=13.0 Contrast Min Typ Max Unit Remark25 C Vopr=13.0 Viewing angle 25 C Vopr=13.0 AN.No.G1216B1N000-3D0E Definition of response time −20 To +70 Storage temp. range Chips=20 LedaNumber of LED Ledc DB2 DB0DB1 DB3 V c, V d, V f Circuit ConfigurationCS2 CS1 CS R/W FRM MSB LSB Busy Page COM3 COM1COM2 COM4 Operational Amplifier Bias R2= 9 4 R1= 5 R1 CS1 CS2 Operating InstructionsMPU To DB7 450140 Test point RL = 2.4 k = 11 k Reset time Rise time 200 D/I FunctionDetailed explanation Display ON/OFF Code Display start line=0 Display start line=1 AN.No.G1216B1N000-3D0E Display start line CodeDB7 DB0 Display start line =2 Display start line=3 Display Data RAM Address Configuration AN.No.G1216B1N000-3D0E Address page set Code Reset =1.2 k Ω Voltage V opr 13.5 13.0 12.5 11.5 10.5=10 k Ω Variable resistor =Allowable LED forward current a =Input voltage power voltageV=LED forward voltage Leda Ledc D0 to D7 A0 to A7 DB0 to DB7 A0 to A15 Decoder MPU Connection DiagramZ80 PIO Iorq RST CS1 Precautions 9, 11, 12, 17, 18, 19 11, 12, 17 10, 16, 17 LC drive voltage Seiko Instruments Inc

Seiko Instruments G1216B1N000 user manual MPU Connection Diagram, Z80 PIO, Iorq RST CS1, INT CS2