SED1354 Datasheet, PDF (282/472 Pages) Epson Company – Color Graphics LCD/CRT Controller

Page 8
Epson Research and Development
Vancouver Design Center
2 Installation and Configuration
The SED1354 has 16 configuration inputs MD[15:0] which are read on the rising edge of RESET#.
SED1354 configuration inputs MD[5:1] are fully configurable on this evaluation board for different
host bus selections; one five-position DIP switch is provided for this purpose. All remaining config-
uration inputs are hard-wired. See the SED1354 Hardware Functional Specification, document
number X19A-A-002-xx for more information.
When using the SDU1354B0C with the ISA bus, the following are the recommended settings.
Table 2-1: Configuration DIP Switch Settings
Switch Signal
Closed
Open
SW1-1 MD1
SW1-2 MD2 See “Host Bus Selection” table below See “Host Bus Selection” table below
SW1-3 MD3
SW1-4 MD4 Little Endian
Big Endian
SW1-5 MD5 Wait# signal is active high
Wait# signal is active low
The polarity of the Configuration DIP Switches is closed = 1 or high; open = 0 or low.
= required settings for ISA bus support.
MD3
0
0
0
0
1
MD2
0
0
1
1
x
MD1
0
1
0
1
x
Table 2-2: Host Bus Selection
Option
1
2
3
4
5
Host Bus Interface
SH-3 bus interface
MC68K bus 1 interface (e.g. MC68000)
MC68K bus 2 interface (e.g. MC68030)
Generic bus interface (e.g. ISA bus)
Reserved
Closed = 1 or high; open = 0 or low.
= required settings for ISA bus support.
Description
JP1 _{BS# signal pin 6 selection}
JP2 _{3.3V/5.0V IO VDD selection}
JP3 _{DRDY signal selection}
Table 2-3: Jumper Settings
1-2
2-3
Pulled-up to IO V_DD for ISA bus
NC, signal may be needed for
68K bus and other bus support
5.0V IO V_DD
Support for all panels which
require MOD/DRDY signal
3.3V IO V_DD
Support for 8-bit panels which
require 2 shift clocks
.
= default settings for ISA bus and LCD panel support.
SED1354
X19A-G-004-05
SDU1354B0C Rev.1.0 ISA Bus Evaluation Board User Manual
Issue Date: 98/10/29