Eiki LC-X71 LC-X71L service manual Control Port Functions

Control Port Functions

Pin No.	Function Name	Function	Polarity	I/O
68	A5	Address Bus	-	O
69	A6	Address Bus	-	O
70	A7	Address Bus	-	O
71	A8	Address Bus	-	O
72	A9	Address Bus	-	O
73	A10	Address Bus	-	O
74	A11	Address Bus	-	O
75	GND	Power for Input/Output(0V)	-	-
76	A12	Address Bus	-	O
77	3.3V	Power for Input/Output(3.3V)	-	-
78	A13	Address Bus	-	O
79	A14	Address Bus	-	O
80	A15	Address Bus	-	O
81	A16	Address Bus	-	O
82	A17	Address Bus	-	O
83	A18	Address Bus	-	O
84	A19	Address Bus	-	O
85	A20	Address Bus	-	O
86	GND	Power for Input/Output(0V)	-	-
87	A21	Address Bus	-	O
88	3.3V	Power for Input/Output(3.3V)	-	-
89	A22	Address Bus	-	O
90	A23	Address Bus	-	O
91	GND	Power for Input/Output(0V)	-	-
92	A24	Address Bus	-	O
93	1.9V	Power for Input/Output(1.9V)	-	-
94	A25	Address Bus	-	O
95	BS [for ICE]	Bus cycle Start Signal	-	O
96	RD	Read Strobe	-	O
97	WE0	D7-D0 Select Signal/DQM(SDRAM)	-	O
98	WE1	D15-D8 Select Signal/DQM(SDRAM)	-	O
99	WE2	D23-D16 Select Signal/DQM(SDRAM)	-	O
100	GND	Power for Input/Output(0V)	-	-
101	WE3	D31-D24 Select Signal/DQM(SDRAM)	-	O
102	3.3V	Power for Input/Output(3.3V)	-	-
103	RDWR	Read/Write	-	O
104	AUDSYNC [for ICE]	AUD Synchronize		O
105	CS0	Chip Select0 Flash Memory [16bit]		O
106	CS2	Chip Select2 Peripheral Device1[16bit]		O
107	CS3	Chip Select3 SDRAM [32bit]		O
108	CS4	Chip Select4 Peripheral Device2[8bit]		O
109	CS5	Chip Select5 Peripheral Device3[8bit]		O
110	CS6	Chip Select6 Peripheral Device3[8bit]		O
111	ON_15V	Power Control for Panel Drive		O
112	SH_SEM_DPRAM	DPRAM Semafo	H fixed	O
113	SWF_CCLK	Clock for Config.		O
114	SWF_PROG	Starting for Config.		O
115	GND	Power for Input/Output(0V)	-	-
116	(Not used)	-	(Pull-up)	-
117	3.3V	Power for Input/Output(3.3V)	-	-
118	LAMP OPTION SW3	Option SW3	SW1/Sw2/SW3
119	LAMP OPTION SW2	Option SW2		I
			H/L/H = 320W
120	LAMP OPTION SW1	Option SW1
121	PW_BSY	Prohibit control for DPRAM access	Busy L	I
122	(Reserved)	Transceiver Suspend Output (Reserved)	(Open)	O
123	USBF_VBUS[Func]	USB FunctionVBUS	(Pull-up)	I
124	USB2_ovr_crnt [Host]	USB Host 2 Over Current Detection	(Pull-up)	I
125	(USB Digital)	SCIF RTS/Output Enable for USB	(Open)	O
126	USB1_pwr_en[Func]	USB1 Voltage Control	(Open)	O
127	USB2_pwr_en[Host]	USB2 Voltage Control	(Open)	O
128	CKE	CK Enable(SDRAM)	-	O
129	RAS3	SDRAM RAS	-	O
130	SH_EEP_WP	EEPROM Write Protect	L: Write Enable	O
131	CAS	SDRAM CAS	-	O
132	GND	Power for Input/Output(0V)	-	-
133	STB_GAM_WP	Control for Digital Gamma IC (3 line Serial Strobe)	Select L	O
134	3.3V	Power for Input/Output(3.3V)	-	-
135	SCLK_GAM_SH	Control for Digital Gamma IC (3 line Serial CLK)	-	O
136	SDATA_GAM_SH	Control for Digital Gamma IC (3 line Serial DATA)	-	O

- 53 -