Epson DFX-8500 service manual Btxd, Xready, Brxd, Bxrst, Inh, Xcmdreq, Xwrrdy, Xrdreq, Xcs

APPENDIX

Table A-12. C204 MAIN Board Connector CN11

Pin	Signal Name	I/O	Function
1, 2, 3, 4, 5, 6	+5	-
7	BTXD	O	Transmit data
8	XREADY	O	Ready
9	BRXD	I	Receive data
10	NC	-
11	BXRST	O	Reset signal
12	INH	O	Inhibit signal output
13	XCMDREQ	I	Command request signal
14	XWRRDY	I	Write ready signal
15	XRDREQ	I	Read request signal
16	XWR	O	Write signal
17	XRD	O	Read signal
18	XCS	O	Chip select signal
19, 20, 21, 22, 23, 24	GND	-
25	A3	O	Address bus 3
26	A2	O	Address bus 2
27	A1	O	Address bus 1
28	A0	O	Address bus 0
29	D7	I/O	Data bus 7
30	D6	I/O	Data bus 6
31	D5	I/O	Data bus 5
32	D4	I/O	Data bus 4
33	D3	I/O	Data bus 3
34	D2	I/O	Data bus 2
35	D1	I/O	Data bus 1
36	D0	I/O	Data bus 0

Rev. B A-5